26783948908

Committed 01 Jun 2026 09:39PM UTC coverage: 65.695% (+0.03%) from 65.663%

Build # 26783948908

Build Type

push

github

Committed by

chibongho

Commit Message

TRUNK-6633 Add a way to search Concepts by ConceptSearchCriteria

Coverage Stats

136 of 158 new or added lines in 4 files covered. (86.08%)

6 existing lines in 4 files now uncovered.

24083 of 36659 relevant lines covered (65.69%)

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88.32

/api/src/main/java/org/openmrs/api/db/hibernate/HibernateConceptDAO.java

/**
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
 * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
 *
 * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
 * graphic logo is a trademark of OpenMRS Inc.
 */
package org.openmrs.api.db.hibernate;

import static java.util.stream.Collectors.toList;

import javax.persistence.Query;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

import javax.persistence.criteria.Subquery;

import org.apache.commons.lang3.StringUtils;
import org.hibernate.FlushMode;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.search.engine.search.predicate.SearchPredicate;
import org.hibernate.search.engine.search.predicate.dsl.BooleanPredicateClausesStep;
import org.hibernate.search.engine.search.predicate.dsl.SearchPredicateFactory;
import org.hibernate.search.engine.search.query.SearchQuery;
import org.hibernate.search.mapper.orm.scope.SearchScope;
import org.hibernate.search.mapper.orm.session.SearchSession;
import org.openmrs.Concept;
import org.openmrs.ConceptAnswer;
import org.openmrs.ConceptAttribute;
import org.openmrs.ConceptAttributeType;
import org.openmrs.ConceptClass;
import org.openmrs.ConceptComplex;
import org.openmrs.ConceptDatatype;
import org.openmrs.ConceptDescription;
import org.openmrs.ConceptMap;
import org.openmrs.ConceptMapType;
import org.openmrs.ConceptName;
import org.openmrs.ConceptNameTag;
import org.openmrs.ConceptNumeric;
import org.openmrs.ConceptProposal;
import org.openmrs.ConceptReferenceRange;
import org.openmrs.ConceptReferenceTerm;
import org.openmrs.ConceptReferenceTermMap;
import org.openmrs.ConceptSearchResult;
import org.openmrs.ConceptSet;
import org.openmrs.ConceptSource;
import org.openmrs.ConceptStopWord;
import org.openmrs.Drug;
import org.openmrs.DrugIngredient;
import org.openmrs.DrugReferenceMap;
import org.openmrs.api.APIException;
import org.openmrs.api.ConceptService;
import org.openmrs.api.context.Context;
import org.openmrs.api.db.ConceptDAO;
import org.openmrs.api.db.DAOException;
import org.openmrs.api.db.hibernate.search.SearchQueryUnique;
import org.openmrs.api.db.hibernate.search.session.SearchSessionFactory;
import org.openmrs.parameter.ConceptSearchCriteria;
import org.openmrs.util.ConceptMapTypeComparator;
import org.openmrs.util.OpenmrsConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.CollectionUtils;

/**
 * The Hibernate class for Concepts, Drugs, and related classes. <br>
 * <br>
 * Use the {@link ConceptService} to access these methods
 * 
 * @see ConceptService
 */
public class HibernateConceptDAO implements ConceptDAO {
        
        private static final Logger log = LoggerFactory.getLogger(HibernateConceptDAO.class);

        private static final String CONCEPT_REFERENCE_TERM = "conceptReferenceTerm";

        private static final String CONCEPT_SOURCE = "conceptSource";

        private static final String HL7_CODE = "hl7Code";

        private SessionFactory sessionFactory;

        private SearchSessionFactory searchSessionFactory;

        /**
         * Sets the session factory
         *
         * @param sessionFactory
         */
        public void setSessionFactory(SessionFactory sessionFactory) {
                this.sessionFactory = sessionFactory;
        }

        /**
         * Sets the search session factory
         * 
         * @param searchSessionFactory
         */
        public void setSearchSessionFactory(SearchSessionFactory searchSessionFactory) {
                this.searchSessionFactory = searchSessionFactory;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptComplex(java.lang.Integer)
         */
        @Override
        public ConceptComplex getConceptComplex(Integer conceptId) {
                ConceptComplex cc;
                Session session = sessionFactory.getCurrentSession();
                Object obj = session.get(ConceptComplex.class, conceptId);
                // If Concept has already been read & cached, we may get back a Concept instead of
                // ConceptComplex.  If this happens, we need to clear the object from the cache
                // and re-fetch it as a ConceptComplex
                if (obj != null && !obj.getClass().equals(ConceptComplex.class)) {
                        // remove from cache
                        session.detach(obj);

                        // session.get() did not work here, we need to perform a query to get a ConceptComplex
                        CriteriaBuilder cb = session.getCriteriaBuilder();
                        CriteriaQuery<ConceptComplex> cq = cb.createQuery(ConceptComplex.class);
                        Root<ConceptComplex> root = cq.from(ConceptComplex.class);

                        cq.where(cb.equal(root.get("conceptId"), conceptId));

                        obj = session.createQuery(cq).uniqueResult();
                }
                cc = (ConceptComplex) obj;

                return cc;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConcept(org.openmrs.Concept)
         */
        @Override
        public Concept saveConcept(Concept concept) throws DAOException {
                if ((concept.getConceptId() != null) && (concept.getConceptId() > 0)) {
                        // this method checks the concept_numeric, concept_derived, etc tables
                        // to see if a row exists there or not.  This is needed because hibernate
                        // doesn't like to insert into concept_numeric but update concept in the
                        // same go.  It assumes that its either in both tables or no tables
                        insertRowIntoSubclassIfNecessary(concept);
                }
                
                sessionFactory.getCurrentSession().saveOrUpdate(concept);
                return concept;
        }
        
        /**
         * Convenience method that will check this concept for subtype values (ConceptNumeric,
         * ConceptDerived, etc) and insert a line into that subtable if needed. This prevents a
         * hibernate ConstraintViolationException
         * 
         * @param concept the concept that will be inserted
         */
        private void insertRowIntoSubclassIfNecessary(Concept concept) {
                
                // check the concept_numeric table
                if (concept instanceof ConceptNumeric) {
                        
                        String select = "SELECT 1 from concept_numeric WHERE concept_id = :conceptId";
                        Query query = sessionFactory.getCurrentSession().createSQLQuery(select);
                        query.setParameter("conceptId", concept.getConceptId());
                        
                        // Converting to concept numeric:  A single concept row exists, but concept numeric has not been populated yet.
                        if (JpaUtils.getSingleResultOrNull(query) == null) {
                                // we have to evict the current concept out of the session because
                                // the user probably had to change the class of this object to get it
                                // to now be a numeric
                                // (must be done before the "insert into...")
                                sessionFactory.getCurrentSession().clear();
                                
                                //Just in case this was changed from concept_complex to numeric
                                //We need to add a delete line for each concept sub class that is not concept_numeric
                                deleteSubclassConcept("concept_complex", concept.getConceptId());
                                
                                String insert = "INSERT INTO concept_numeric (concept_id, allow_decimal) VALUES (:conceptId, false)";
                                query = sessionFactory.getCurrentSession().createSQLQuery(insert);
                                query.setParameter("conceptId", concept.getConceptId());
                                query.executeUpdate();
                                
                        } else {
                                // Converting from concept numeric:  The concept and concept numeric rows both exist, so we need to delete concept_numeric.
                                
                                // concept is changed from numeric to something else
                                // hence row should be deleted from the concept_numeric
                                if (!concept.isNumeric()) {
                                        deleteSubclassConcept("concept_numeric", concept.getConceptId());
                                }
                        }
                }
                // check the concept complex table
                else if (concept instanceof ConceptComplex) {
                        
                        String select = "SELECT 1 FROM concept_complex WHERE concept_id = :conceptId";
                        Query query = sessionFactory.getCurrentSession().createSQLQuery(select);
                        query.setParameter("conceptId", concept.getConceptId());
                        
                        // Converting to concept complex:  A single concept row exists, but concept complex has not been populated yet.
                        if (JpaUtils.getSingleResultOrNull(query) == null) {
                                // we have to evict the current concept out of the session because
                                // the user probably had to change the class of this object to get it
                                // to now be a ConceptComplex
                                // (must be done before the "insert into...")
                                sessionFactory.getCurrentSession().clear();
                                
                                //Just in case this was changed from concept_numeric to complex
                                //We need to add a delete line for each concept sub class that is not concept_complex
                                deleteSubclassConcept("concept_numeric", concept.getConceptId());
                                
                                // Add an empty row into the concept_complex table
                                String insert = "INSERT INTO concept_complex (concept_id) VALUES (:conceptId)";
                                query = sessionFactory.getCurrentSession().createSQLQuery(insert);
                                query.setParameter("conceptId", concept.getConceptId());
                                query.executeUpdate();
                                
                        } else {
                                // Converting from concept complex:  The concept and concept complex rows both exist, so we need to delete the concept_complex row.
                                // no stub insert is needed because either a concept row doesn't exist OR a concept_complex row does exist
                                
                                // concept is changed from complex to something else
                                // hence row should be deleted from the concept_complex
                                if (!concept.isComplex()) {
                                        deleteSubclassConcept("concept_complex", concept.getConceptId());
                                }
                        }
                }
        }
        
        /**
         * Deletes a concept from a sub class table
         * 
         * @param tableName the sub class table name
         * @param conceptId the concept id
         */
        private void deleteSubclassConcept(String tableName, Integer conceptId) {
                String delete = "DELETE FROM " + tableName + " WHERE concept_id = :conceptId";
                Query query = sessionFactory.getCurrentSession().createSQLQuery(delete);
                query.setParameter("conceptId", conceptId);
                query.executeUpdate();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#purgeConcept(org.openmrs.Concept)
         */
        @Override
        public void purgeConcept(Concept concept) throws DAOException {
                sessionFactory.getCurrentSession().delete(concept);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConcept(java.lang.Integer)
         */
        @Override
        public Concept getConcept(Integer conceptId) throws DAOException {
                return sessionFactory.getCurrentSession().get(Concept.class, conceptId);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptName(java.lang.Integer)
         */
        @Override
        public ConceptName getConceptName(Integer conceptNameId) throws DAOException {
                return sessionFactory.getCurrentSession().get(ConceptName.class, conceptNameId);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptAnswer(java.lang.Integer)
         */
        @Override
        public ConceptAnswer getConceptAnswer(Integer conceptAnswerId) throws DAOException {
                return sessionFactory.getCurrentSession().get(ConceptAnswer.class, conceptAnswerId);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getAllConcepts(java.lang.String, boolean, boolean)
         */
        @Override
        @SuppressWarnings("unchecked")
        public List<Concept> getAllConcepts(String sortBy, boolean asc, boolean includeRetired) throws DAOException {
                
                boolean isNameField = false;
                
                try {
                        Concept.class.getDeclaredField(sortBy);
                }
                catch (NoSuchFieldException e) {
                        try {
                                ConceptName.class.getDeclaredField(sortBy);
                                isNameField = true;
                        }
                        catch (NoSuchFieldException e2) {
                                sortBy = "conceptId";
                        }
                }
                
                String hql = "";
                if (isNameField) {
                        hql += "select concept";
                }
                
                hql += " from Concept as concept";
                boolean hasWhereClause = false;
                if (isNameField) {
                        hasWhereClause = true;
                        //This assumes every concept has a unique(avoid duplicates) fully specified name
                        //which should be true for a clean concept dictionary
                        hql += " left join concept.names as names where names.conceptNameType = 'FULLY_SPECIFIED'";
                }
                
                if (!includeRetired) {
                        if (hasWhereClause) {
                                hql += " and";
                        } else {
                                hql += " where";
                        }
                        hql += " concept.retired = false";
                        
                }
                
                if (isNameField) {
                        hql += " order by names." + sortBy;
                } else {
                        hql += " order by concept." + sortBy;
                }
                
                hql += asc ? " asc" : " desc";
                Query query = sessionFactory.getCurrentSession().createQuery(hql);
                return (List<Concept>) query.getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveDrug(org.openmrs.Drug)
         */
        @Override
        public Drug saveDrug(Drug drug) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(drug);
                return drug;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrug(java.lang.Integer)
         */
        @Override
        public Drug getDrug(Integer drugId) throws DAOException {
                return sessionFactory.getCurrentSession().get(Drug.class, drugId);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrugs(java.lang.String, org.openmrs.Concept, boolean)
         */
        @Override
        public List<Drug> getDrugs(String drugName, Concept concept, boolean includeRetired) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Drug> cq = cb.createQuery(Drug.class);
                Root<Drug> drugRoot = cq.from(Drug.class);

                List<Predicate> predicates = new ArrayList<>();

                if (!includeRetired) {
                        predicates.add(cb.isFalse(drugRoot.get("retired")));
                }

                if (concept != null) {
                        predicates.add(cb.equal(drugRoot.get("concept"), concept));
                }

                if (drugName != null) {
                        if (Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive()) {
                                predicates.add(cb.equal(cb.lower(drugRoot.get("name")), MatchMode.EXACT.toLowerCasePattern(drugName)));
                        } else {
                                predicates.add(cb.equal(drugRoot.get("name"), MatchMode.EXACT.toCaseSensitivePattern(drugName)));
                        }
                }

                cq.where(predicates.toArray(new Predicate[]{}));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrugsByIngredient(org.openmrs.Concept)
         */
        @Override
        public List<Drug> getDrugsByIngredient(Concept ingredient) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Drug> cq = cb.createQuery(Drug.class);
                Root<Drug> drugRoot = cq.from(Drug.class);
                
                Join<Drug, DrugIngredient> ingredientJoin = drugRoot.join("ingredients");

                Predicate rhs = cb.equal(drugRoot.get("concept"), ingredient);
                Predicate lhs = cb.equal(ingredientJoin.get("ingredient"), ingredient);

                cq.where(cb.or(lhs, rhs));

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrugs(java.lang.String)
         */
        @Override
        public List<Drug> getDrugs(final String phrase) throws DAOException {
                SearchQuery<Drug> drugQuery = newDrugQuery(phrase, true, false, Context.getLocale(), false, null, false);
                
                if (drugQuery == null) {
                        return Collections.emptyList();
                }
                
                return drugQuery.fetchAllHits();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptClass(java.lang.Integer)
         */
        @Override
        public ConceptClass getConceptClass(Integer i) throws DAOException {
                return sessionFactory.getCurrentSession().get(ConceptClass.class, i);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptClasses(java.lang.String)
         */
        @Override
        public List<ConceptClass> getConceptClasses(String name) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptClass> cq = cb.createQuery(ConceptClass.class);
                Root<ConceptClass> root = cq.from(ConceptClass.class);

                if (name != null) {
                        cq.where(cb.equal(root.get("name"), name));
                }

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getAllConceptClasses(boolean)
         */
        @Override
        public List<ConceptClass> getAllConceptClasses(boolean includeRetired) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptClass> cq = cb.createQuery(ConceptClass.class);
                Root<ConceptClass> root = cq.from(ConceptClass.class);

                // Minor bug - was assigning includeRetired instead of evaluating
                if (!includeRetired) {
                        cq.where(cb.isFalse(root.get("retired")));
                }

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptClass(org.openmrs.ConceptClass)
         */
        @Override
        public ConceptClass saveConceptClass(ConceptClass cc) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(cc);
                return cc;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#purgeConceptClass(org.openmrs.ConceptClass)
         */
        @Override
        public void purgeConceptClass(ConceptClass cc) throws DAOException {
                sessionFactory.getCurrentSession().delete(cc);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#deleteConceptNameTag(ConceptNameTag)
         */
        @Override
        public void deleteConceptNameTag(ConceptNameTag cnt) throws DAOException {
                sessionFactory.getCurrentSession().delete(cnt);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptDatatype(java.lang.Integer)
         */
        @Override
        public ConceptDatatype getConceptDatatype(Integer i) {
                return sessionFactory.getCurrentSession().get(ConceptDatatype.class, i);
        }
        
        @Override
        public List<ConceptDatatype> getAllConceptDatatypes(boolean includeRetired) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptDatatype> cq = cb.createQuery(ConceptDatatype.class);
                Root<ConceptDatatype> root = cq.from(ConceptDatatype.class);

                if (!includeRetired) {
                        cq.where(cb.isFalse(root.get("retired")));
                }

                return session.createQuery(cq).getResultList();
        }

        /**
         * @param name the name of the ConceptDatatype
         * @return a List of ConceptDatatype whose names start with the passed name
         */
        public List<ConceptDatatype> getConceptDatatypes(String name) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptDatatype> cq = cb.createQuery(ConceptDatatype.class);
                Root<ConceptDatatype> root = cq.from(ConceptDatatype.class);

                if (name != null) {
                        cq.where(cb.like(root.get("name"), MatchMode.START.toCaseSensitivePattern(name)));
                }

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptDatatypeByName(String)
         */
        @Override
        public ConceptDatatype getConceptDatatypeByName(String name) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptDatatype> cq = cb.createQuery(ConceptDatatype.class);
                Root<ConceptDatatype> root = cq.from(ConceptDatatype.class);

                if (name != null) {
                        cq.where(cb.equal(root.get("name"), name));
                }
                return session.createQuery(cq).uniqueResult();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptDatatype(org.openmrs.ConceptDatatype)
         */
        @Override
        public ConceptDatatype saveConceptDatatype(ConceptDatatype cd) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(cd);
                return cd;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#purgeConceptDatatype(org.openmrs.ConceptDatatype)
         */
        @Override
        public void purgeConceptDatatype(ConceptDatatype cd) throws DAOException {
                sessionFactory.getCurrentSession().delete(cd);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptNumeric(java.lang.Integer)
         */
        @Override
        public ConceptNumeric getConceptNumeric(Integer i) {
                ConceptNumeric cn;
                Object obj = sessionFactory.getCurrentSession().get(ConceptNumeric.class, i);
                // If Concept has already been read & cached, we may get back a Concept instead of
                // ConceptNumeric.  If this happens, we need to clear the object from the cache
                // and re-fetch it as a ConceptNumeric
                if (obj != null && !obj.getClass().equals(ConceptNumeric.class)) {
                        // remove from cache
                        sessionFactory.getCurrentSession().evict(obj);
                        // session.get() did not work here, we need to perform a query to get a ConceptNumeric
                        Query query = sessionFactory.getCurrentSession().createQuery("from ConceptNumeric where conceptId = :conceptId")
                                .setParameter("conceptId", i);
                        obj = JpaUtils.getSingleResultOrNull(query);
                }
                cn = (ConceptNumeric) obj;
                
                return cn;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConcepts(java.lang.String, java.util.Locale, boolean,
         *      java.util.List, java.util.List)
         */
        @Override
        public List<Concept> getConcepts(final String name, final Locale loc, final boolean searchOnPhrase,
                final List<ConceptClass> classes, final List<ConceptDatatype> datatypes) throws DAOException {
                
                final Locale locale;
                if (loc == null) {
                        locale = Context.getLocale();
                } else {
                        locale = loc;
                }

                return SearchQueryUnique.search(searchSessionFactory, SearchQueryUnique.newQuery(ConceptName.class, f -> 
                        newConceptNamePredicate(f, name, !searchOnPhrase, Collections.singletonList(locale),
                                false, false, classes, null, datatypes, null, null),
                        "concept.conceptId", ConceptName::getConcept));
        }
        
        private LinkedHashSet<Concept> transformNamesToConcepts(List<ConceptName> names) {
                LinkedHashSet<Concept> concepts = new LinkedHashSet<>();
                
                for (ConceptName name : names) {
                        concepts.add(name.getConcept());
                }
                
                return concepts;
        }
        
        private SearchPredicate newConceptNameQuery(SearchPredicateFactory f, final String name, final boolean searchKeywords, 
                                                                                                final Collection<Locale> locales, final boolean searchExactLocale) {
                return f.bool().with(b -> {
                        if (searchExactLocale) {
                                b.must(f.terms().field("locale").matchingAny(locales));
                        } else {
                                b.must(f.bool().with(bb -> {
                                        for (Locale locale : locales) {
                                                bb.should(f.wildcard().field("locale").matching(locale.getLanguage() + "*"));
                                                if (!StringUtils.isBlank(locale.getCountry())) {
                                                        bb.should(f.match().field("locale").matching(locale).boost(2f));
                                                }
                                        }
                                }));
                        }
                        b.filter(f.match().field("voided").matching(false));
                        
                        b.must(f.bool().with(bb -> {
                                List<String> tokenizedName = tokenizeName(name, locales);
                                BooleanPredicateClausesStep<?> nameQuery = newNameQuery(f, tokenizedName, name, searchKeywords);

                                bb.should(f.match().field("concept.conceptMappings.conceptReferenceTerm.code").matching(name).boost(10f));
                                bb.should(f.and()
                                        .add(nameQuery)
                                        .add(f.match().field("localePreferred").matching(true)).boost(2f));
                                bb.should(nameQuery);
                        }));
                }).toPredicate();
        }
        
        private BooleanPredicateClausesStep<?> newNameQuery(SearchPredicateFactory f, final List<String> tokenizedName, final String name,
                                                                                                                final boolean searchKeywords) {
                return f.bool().with(b -> {
                        b.minimumShouldMatchNumber(1);
                        b.should(f.phrase().field("name").matching(name).boost(8f));
                        if (searchKeywords) {
                                if (!tokenizedName.isEmpty()) {
                                        b.should(f.bool().with(bb -> {
                                                for (String token : tokenizedName) {
                                                        bb.must(f.bool().with(bbb -> {
                                                                bbb.minimumShouldMatchNumber(1);
                                                                bbb.should(f.match().field("name").matching(token).boost(3f));
                                                                bbb.should(f.wildcard().field("name").matching(token + "*").boost(2f));
                                                                bbb.should(f.match().field("name").matching(token).fuzzy(1, 3));
                                                        }));
                                                }
                                        }));
                                }
                        }
                });
        }
        
        private List<String> tokenizeName(final String escapedName, final Collection<Locale> locales) {
                List<String> words = new ArrayList<>(Arrays.asList(escapedName.trim().split(" ")));
                
                Set<String> stopWords = new HashSet<>();
                for (Locale locale : locales) {
                        stopWords.addAll(Context.getConceptService().getConceptStopWords(locale));
                }
                
                List<String> tokenizedName = new ArrayList<>();
                
                for (String word : words) {
                        word = word.trim();
                        
                        if (!word.isEmpty() && !stopWords.contains(word.toUpperCase())) {
                                tokenizedName.add(word);
                        }
                }
                
                return tokenizedName;
        }
        
        /**
         * gets questions for the given answer concept
         * 
         * @see org.openmrs.api.db.ConceptDAO#getConceptsByAnswer(org.openmrs.Concept)
         */
        @Override
        @SuppressWarnings("unchecked")
        public List<Concept> getConceptsByAnswer(Concept concept) {
                String q = "select c from Concept c join c.answers ca where ca.answerConcept = :answer";
                Query query = sessionFactory.getCurrentSession().createQuery(q);
                query.setParameter("answer", concept);
                
                return query.getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getPrevConcept(org.openmrs.Concept)
         */
        @Override
        public Concept getPrevConcept(Concept c) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Concept> cq = cb.createQuery(Concept.class);
                Root<Concept> root = cq.from(Concept.class);

                Integer i = c.getConceptId();

                cq.where(cb.lessThan(root.get("conceptId"), i));
                cq.orderBy(cb.desc(root.get("conceptId")));

                List<Concept> concepts = session.createQuery(cq).setMaxResults(1).getResultList();

                if (concepts.isEmpty()) {
                        return null;
                }

                return concepts.get(0);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getNextConcept(org.openmrs.Concept)
         */
        @Override
        public Concept getNextConcept(Concept c) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Concept> cq = cb.createQuery(Concept.class);
                Root<Concept> root = cq.from(Concept.class);

                Integer i = c.getConceptId();

                cq.where(cb.greaterThan(root.get("conceptId"), i));
                cq.orderBy(cb.asc(root.get("conceptId")));

                List<Concept> concepts = session.createQuery(cq).setMaxResults(1).getResultList();

                if (concepts.isEmpty()) {
                        return null;
                }

                return concepts.get(0);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptsWithDrugsInFormulary()
         */
        @Override
        @SuppressWarnings("unchecked")
        public List<Concept> getConceptsWithDrugsInFormulary() {
                Query query = sessionFactory.getCurrentSession().createQuery(
                    "select distinct concept from Drug d where d.retired = false");
                return query.getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#purgeDrug(org.openmrs.Drug)
         */
        @Override
        public void purgeDrug(Drug drug) throws DAOException {
                sessionFactory.getCurrentSession().delete(drug);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptProposal(org.openmrs.ConceptProposal)
         */
        @Override
        public ConceptProposal saveConceptProposal(ConceptProposal cp) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(cp);
                return cp;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#purgeConceptProposal(org.openmrs.ConceptProposal)
         */
        @Override
        public void purgeConceptProposal(ConceptProposal cp) throws DAOException {
                sessionFactory.getCurrentSession().delete(cp);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getAllConceptProposals(boolean)
         */
        @Override
        public List<ConceptProposal> getAllConceptProposals(boolean includeCompleted) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptProposal> cq = cb.createQuery(ConceptProposal.class);
                Root<ConceptProposal> root = cq.from(ConceptProposal.class);

                if (!includeCompleted) {
                        cq.where(cb.equal(root.get("state"), OpenmrsConstants.CONCEPT_PROPOSAL_UNMAPPED));
                }
                cq.orderBy(cb.asc(root.get("originalText")));
                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptProposal(java.lang.Integer)
         */
        @Override
        public ConceptProposal getConceptProposal(Integer conceptProposalId) throws DAOException {
                return sessionFactory.getCurrentSession().get(ConceptProposal.class, conceptProposalId);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptProposals(java.lang.String)
         */
        @Override
        public List<ConceptProposal> getConceptProposals(String text) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptProposal> cq = cb.createQuery(ConceptProposal.class);
                Root<ConceptProposal> root = cq.from(ConceptProposal.class);

                Predicate stateCondition = cb.equal(root.get("state"), OpenmrsConstants.CONCEPT_PROPOSAL_UNMAPPED);
                Predicate textCondition = cb.equal(root.get("originalText"), text);

                cq.where(cb.and(stateCondition, textCondition));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getProposedConcepts(java.lang.String)
         */
        @Override
        public List<Concept> getProposedConcepts(String text) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Concept> cq = cb.createQuery(Concept.class);
                Root<ConceptProposal> root = cq.from(ConceptProposal.class);

                Predicate stateNotEqual = cb.notEqual(root.get("state"), OpenmrsConstants.CONCEPT_PROPOSAL_UNMAPPED);
                Predicate originalTextEqual = cb.equal(root.get("originalText"), text);
                Predicate mappedConceptNotNull = cb.isNotNull(root.get("mappedConcept"));

                cq.select(root.get("mappedConcept")).distinct(true);
                cq.where(stateNotEqual, originalTextEqual, mappedConceptNotNull);

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptSetsByConcept(org.openmrs.Concept)
         */
        @Override
        public List<ConceptSet> getConceptSetsByConcept(Concept concept) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptSet> cq = cb.createQuery(ConceptSet.class);
                Root<ConceptSet> root = cq.from(ConceptSet.class);

                cq.where(cb.equal(root.get("conceptSet"), concept));
                cq.orderBy(cb.asc(root.get("sortWeight")));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getSetsContainingConcept(org.openmrs.Concept)
         */
        @Override
        public List<ConceptSet> getSetsContainingConcept(Concept concept) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptSet> cq = cb.createQuery(ConceptSet.class);
                Root<ConceptSet> root = cq.from(ConceptSet.class);

                cq.where(cb.equal(root.get("concept"), concept));

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * returns a list of n-generations of parents of a concept in a concept set
         * 
         * @param current
         * @return List&lt;Concept&gt;
         * @throws DAOException
         */
        @SuppressWarnings("unchecked")
        private List<Concept> getParents(Concept current) throws DAOException {
                List<Concept> parents = new ArrayList<>();
                if (current != null) {
                        Query query = sessionFactory.getCurrentSession().createQuery(
                            "from Concept c join c.conceptSets sets where sets.concept = ?").setParameter(0, current);
                        List<Concept> immedParents = query.getResultList();
                        for (Concept c : immedParents) {
                                parents.addAll(getParents(c));
                        }
                        parents.add(current);
                        if (log.isDebugEnabled()) {
                                log.debug("parents found: ");
                                for (Concept c : parents) {
                                        log.debug("id: {}", c.getConceptId());
                                }
                        }        
                }
                return parents;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getLocalesOfConceptNames()
         */
        @Override
        public Set<Locale> getLocalesOfConceptNames() {
                Set<Locale> locales = new HashSet<>();
                
                Query query = sessionFactory.getCurrentSession().createQuery("select distinct locale from ConceptName");
                
                for (Object locale : query.getResultList()) {
                        locales.add((Locale) locale);
                }
                
                return locales;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptNameTag(java.lang.Integer)
         */
        @Override
        public ConceptNameTag getConceptNameTag(Integer i) {
                return sessionFactory.getCurrentSession().get(ConceptNameTag.class, i);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptNameTagByName(java.lang.String)
         */
        @Override
        public ConceptNameTag getConceptNameTagByName(String name) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptNameTag> cq = cb.createQuery(ConceptNameTag.class);
                Root<ConceptNameTag> root = cq.from(ConceptNameTag.class);

                cq.where(cb.equal(root.get("tag"), name));

                List<ConceptNameTag> conceptNameTags = session.createQuery(cq).getResultList();
                if (conceptNameTags.isEmpty()) {
                        return null;
                }

                return conceptNameTags.get(0);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getAllConceptNameTags()
         */
        @Override
        @SuppressWarnings("unchecked")
        public List<ConceptNameTag> getAllConceptNameTags() {
                return sessionFactory.getCurrentSession().createQuery("from ConceptNameTag cnt order by cnt.tag").list();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptSource(java.lang.Integer)
         */
        @Override
        public ConceptSource getConceptSource(Integer conceptSourceId) {
                return sessionFactory.getCurrentSession().get(ConceptSource.class, conceptSourceId);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getAllConceptSources(boolean)
         */
        @Override
        public List<ConceptSource> getAllConceptSources(boolean includeRetired) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptSource> cq = cb.createQuery(ConceptSource.class);
                Root<ConceptSource> root = cq.from(ConceptSource.class);

                if (!includeRetired) {
                        cq.where(cb.isFalse(root.get("retired")));
                }

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#deleteConceptSource(org.openmrs.ConceptSource)
         */
        @Override
        public ConceptSource deleteConceptSource(ConceptSource cs) throws DAOException {
                sessionFactory.getCurrentSession().delete(cs);
                return cs;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptSource(org.openmrs.ConceptSource)
         */
        @Override
        public ConceptSource saveConceptSource(ConceptSource conceptSource) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(conceptSource);
                return conceptSource;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptNameTag(org.openmrs.ConceptNameTag)
         */
        @Override
        public ConceptNameTag saveConceptNameTag(ConceptNameTag nameTag) {
                if (nameTag == null) {
                        return null;
                }
                
                sessionFactory.getCurrentSession().saveOrUpdate(nameTag);
                return nameTag;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getMaxConceptId()
         */
        public Integer getMinConceptId() {
                Query query = sessionFactory.getCurrentSession().createQuery("select min(conceptId) from Concept");
                return JpaUtils.getSingleResultOrNull(query);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getMaxConceptId()
         */
        @Override
        public Integer getMaxConceptId() {
                Query query = sessionFactory.getCurrentSession().createQuery("select max(conceptId) from Concept");
                return JpaUtils.getSingleResultOrNull(query);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#conceptIterator()
         */
        @Override
        public Iterator<Concept> conceptIterator() {
                return new ConceptIterator();
        }
        
        /**
         * An iterator that loops over all concepts in the dictionary one at a time
         */
        private class ConceptIterator implements Iterator<Concept> {
                
                Concept currentConcept = null;
                
                Concept nextConcept;
                
                public ConceptIterator() {
                        final int firstConceptId = getMinConceptId();
                        nextConcept = getConcept(firstConceptId);
                }
                
                /**
                 * @see java.util.Iterator#hasNext()
                 */
                @Override
                public boolean hasNext() {
                        return nextConcept != null;
                }
                
                /**
                 * @see java.util.Iterator#next()
                 */
                @Override
                public Concept next() {
                        if (currentConcept != null) {
                                sessionFactory.getCurrentSession().evict(currentConcept);
                        }
                        
                        currentConcept = nextConcept;
                        nextConcept = getNextConcept(currentConcept);
                        
                        return currentConcept;
                }
                
                /**
                 * @see java.util.Iterator#remove()
                 */
                @Override
                public void remove() {
                        throw new UnsupportedOperationException();
                }
                
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptsByMapping(String, String, boolean)
         */
        @Override
        @Deprecated
        public List<Concept> getConceptsByMapping(String code, String sourceName, boolean includeRetired) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Concept> cq = cb.createQuery(Concept.class);
                Root<ConceptMap> root = cq.from(ConceptMap.class);

                List<Predicate> predicates = createSearchConceptMapCriteria(cb, root, code, sourceName, includeRetired);

                cq.where(predicates.toArray(new Predicate[]{}));

                cq.select(root.get("concept"));

                Join<ConceptMap, Concept> conceptJoin = root.join("concept");
                if (includeRetired) {
                        cq.orderBy(cb.asc(conceptJoin.get("retired")));
                }

                return session.createQuery(cq).getResultList()
                        .stream().distinct().collect(toList());
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptIdsByMapping(String, String, boolean)
         */
        @Override
        public List<Integer> getConceptIdsByMapping(String code, String sourceName, boolean includeRetired) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Integer> cq = cb.createQuery(Integer.class);
                Root<ConceptMap> root = cq.from(ConceptMap.class);

                List<Predicate> predicates = createSearchConceptMapCriteria(cb, root, code, sourceName, includeRetired);

                cq.where(predicates.toArray(new Predicate[]{}));

                cq.select(root.get("concept").get("conceptId"));

                Join<ConceptMap, Concept> conceptJoin = root.join("concept");
                if (includeRetired) {
                        cq.orderBy(cb.asc(conceptJoin.get("retired")));
                }

                return session.createQuery(cq).getResultList()
                        .stream().distinct().collect(toList());
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptByUuid(java.lang.String)
         */
        @Override
        public Concept getConceptByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, Concept.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConcepts(ConceptSearchCriteria)
         */
        @Override
        public List<Concept> getConcepts(ConceptSearchCriteria criteria) {
                if (criteria == null) {
                        return Collections.emptyList();
                }
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Concept> cq = cb.createQuery(Concept.class);
                Root<Concept> root = cq.from(Concept.class);

                List<Predicate> orPredicates = new ArrayList<>();

                if (criteria.getUuids() != null && !criteria.getUuids().isEmpty()) {
                        orPredicates.add(root.get("uuid").in(criteria.getUuids()));
                }

                if (criteria.getConceptIds() != null && !criteria.getConceptIds().isEmpty()) {
                        orPredicates.add(root.get("conceptId").in(criteria.getConceptIds()));
                }

                if (criteria.getMappings() != null && !criteria.getMappings().isEmpty()) {
                        boolean caseSensitive = Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive();
                        for (String mapping : criteria.getMappings()) {
                                buildMappingExistsPredicate(cq, root, cb, mapping, caseSensitive).ifPresent(orPredicates::add);
                        }
                }

                if (criteria.getNames() != null && !criteria.getNames().isEmpty()) {
                        boolean caseSensitive = Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive();
                        Locale locale = Context.getLocale();
                        Locale language = new Locale(locale.getLanguage() + "%");
                        for (String name : criteria.getNames()) {
                                orPredicates.add(buildNameExistsPredicate(cq, root, cb, name, caseSensitive, locale, language));
                        }
                }

                if (orPredicates.isEmpty()) {
                        return new ArrayList<>();
                }

                Predicate combined = cb.or(orPredicates.toArray(new Predicate[0]));
                if (!criteria.getIncludeRetired()) {
                        combined = cb.and(combined, cb.isFalse(root.get("retired")));
                }
                cq.where(combined);

                return session.createQuery(cq).getResultList().stream().distinct().collect(toList());
        }

        // mapping is assumed to be in the form "source:code"
        private Optional<Predicate> buildMappingExistsPredicate(CriteriaQuery<Concept> cq, Root<Concept> root,
                CriteriaBuilder cb, String mapping, boolean caseSensitive) {
                int idx = mapping.indexOf(":");
                if (idx < 0 || idx >= mapping.length() - 1) {
                        return Optional.empty();
                }
                String sourceName = mapping.substring(0, idx).trim();
                String code = mapping.substring(idx + 1).trim();
                if (sourceName.isEmpty() || code.isEmpty()) {
                        return Optional.empty();
                }

                Subquery<ConceptMap> sub = cq.subquery(ConceptMap.class);
                Root<ConceptMap> mapRoot = sub.from(ConceptMap.class);
                Join<ConceptMap, ConceptReferenceTerm> termJoin = mapRoot.join(CONCEPT_REFERENCE_TERM);
                Join<ConceptReferenceTerm, ConceptSource> sourceJoin = termJoin.join(CONCEPT_SOURCE);

                List<Predicate> predicates = new ArrayList<>();
                predicates.add(cb.equal(mapRoot.get("concept"), root));
                if (caseSensitive) {
                        predicates.add(cb.equal(cb.lower(termJoin.get("code")), code.toLowerCase()));
                        predicates.add(cb.or(cb.equal(cb.lower(sourceJoin.get("name")), sourceName.toLowerCase()),
                            cb.equal(cb.lower(sourceJoin.get(HL7_CODE)), sourceName.toLowerCase())));
                } else {
                        predicates.add(cb.equal(termJoin.get("code"), code));
                        predicates.add(
                            cb.or(cb.equal(sourceJoin.get("name"), sourceName), cb.equal(sourceJoin.get(HL7_CODE), sourceName)));
                }
                sub.select(mapRoot).where(predicates.toArray(new Predicate[0]));
                return Optional.of(cb.exists(sub));
        }

        private Predicate buildNameExistsPredicate(CriteriaQuery<Concept> cq, Root<Concept> root, CriteriaBuilder cb,
                String name, boolean caseSensitive, Locale locale, Locale language) {
                Subquery<ConceptName> sub = cq.subquery(ConceptName.class);
                Root<ConceptName> nameRoot = sub.from(ConceptName.class);

                List<Predicate> predicates = new ArrayList<>();
                predicates.add(cb.equal(nameRoot.get("concept"), root));
                predicates.add(cb.or(cb.equal(nameRoot.get("locale"), locale),
                    cb.like(nameRoot.get("locale").as(String.class), language.toString())));
                if (caseSensitive) {
                        predicates.add(cb.like(cb.lower(nameRoot.get("name")), name.toLowerCase()));
                } else {
                        predicates.add(cb.equal(nameRoot.get("name"), name));
                }
                predicates.add(cb.isFalse(nameRoot.get("voided")));
                sub.select(nameRoot).where(predicates.toArray(new Predicate[0]));
                return cb.exists(sub);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptClassByUuid(java.lang.String)
         */
        @Override
        public ConceptClass getConceptClassByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptClass.class, uuid);
        }

        @Override
        public ConceptAnswer getConceptAnswerByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptAnswer.class, uuid);
        }

        @Override
        public ConceptName getConceptNameByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptName.class, uuid);
        }

        @Override
        public ConceptSet getConceptSetByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptSet.class, uuid);
        }

        @Override
        public ConceptSource getConceptSourceByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptSource.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptDatatypeByUuid(java.lang.String)
         */
        @Override
        public ConceptDatatype getConceptDatatypeByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptDatatype.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptNumericByUuid(java.lang.String)
         */
        @Override
        public ConceptNumeric getConceptNumericByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptNumeric.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptProposalByUuid(java.lang.String)
         */
        @Override
        public ConceptProposal getConceptProposalByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptProposal.class, uuid);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrugByUuid(java.lang.String)
         */
        @Override
        public Drug getDrugByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, Drug.class, uuid);
        }

        @Override
        public DrugIngredient getDrugIngredientByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, DrugIngredient.class, uuid);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptUuids()
         */
        @Override
        @SuppressWarnings("unchecked")
        public Map<Integer, String> getConceptUuids() {
                Map<Integer, String> ret = new HashMap<>();
                Query q = sessionFactory.getCurrentSession().createQuery("select conceptId, uuid from Concept");
                List<Object[]> list = q.getResultList();
                for (Object[] o : list) {
                        ret.put((Integer) o[0], (String) o[1]);
                }
                return ret;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptDescriptionByUuid(java.lang.String)
         */
        @Override
        public ConceptDescription getConceptDescriptionByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptDescription.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptNameTagByUuid(java.lang.String)
         */
        @Override
        public ConceptNameTag getConceptNameTagByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptNameTag.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptMapsBySource(ConceptSource)
         */
        @Override
        public List<ConceptMap> getConceptMapsBySource(ConceptSource conceptSource) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptMap> cq = cb.createQuery(ConceptMap.class);

                Root<ConceptMap> root = cq.from(ConceptMap.class);
                Join<ConceptMap, ConceptReferenceTerm> conceptReferenceTermJoin = root.join(CONCEPT_REFERENCE_TERM);

                cq.where(cb.equal(conceptReferenceTermJoin.get(CONCEPT_SOURCE), conceptSource));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptSourceByName(java.lang.String)
         */
        @Override
        public ConceptSource getConceptSourceByName(String conceptSourceName) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptSource> cq = cb.createQuery(ConceptSource.class);
                Root<ConceptSource> root = cq.from(ConceptSource.class);

                cq.where(cb.equal(root.get("name"), conceptSourceName));

                return session.createQuery(cq).uniqueResult();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptSourceByUniqueId(java.lang.String)
         */
        @Override
        public ConceptSource getConceptSourceByUniqueId(String uniqueId) {
                if (StringUtils.isBlank(uniqueId)) {
                        return null;
                }

                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptSource> cq = cb.createQuery(ConceptSource.class);
                Root<ConceptSource> root = cq.from(ConceptSource.class);

                cq.where(cb.equal(root.get("uniqueId"), uniqueId));

                return session.createQuery(cq).uniqueResult();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptSourceByHL7Code(java.lang.String)
         */
        @Override
        public ConceptSource getConceptSourceByHL7Code(String hl7Code) {
                if (StringUtils.isBlank(hl7Code)) {
                        return null;
                }

                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptSource> cq = cb.createQuery(ConceptSource.class);
                Root<ConceptSource> root = cq.from(ConceptSource.class);

                cq.where(cb.equal(root.get(HL7_CODE), hl7Code));

                return session.createQuery(cq).uniqueResult();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getSavedConceptDatatype(org.openmrs.Concept)
         */
        @Override
        public ConceptDatatype getSavedConceptDatatype(Concept concept) {
                Query sql = sessionFactory.getCurrentSession().createSQLQuery(
                                "select datatype.* from concept_datatype datatype, concept concept where " +
                                        "datatype.concept_datatype_id = concept.datatype_id and concept.concept_id=:conceptId")
                        .addEntity(ConceptDatatype.class);
                sql.setParameter("conceptId", concept.getConceptId());

                return JpaUtils.getSingleResultOrNull(sql);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getSavedConceptName(org.openmrs.ConceptName)
         */
        @Override
        public ConceptName getSavedConceptName(ConceptName conceptName) {
                sessionFactory.getCurrentSession().refresh(conceptName);
                return conceptName;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptStopWords(java.util.Locale)
         */
        @Override
        public List<String> getConceptStopWords(Locale locale) throws DAOException {

                locale = (locale == null ? Context.getLocale() : locale);

                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<String> cq = cb.createQuery(String.class);
                Root<ConceptStopWord> root = cq.from(ConceptStopWord.class);

                cq.select(root.get("value"));
                cq.where(cb.equal(root.get("locale"), locale));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptStopWord(org.openmrs.ConceptStopWord)
         */
        @Override
        public ConceptStopWord saveConceptStopWord(ConceptStopWord conceptStopWord) throws DAOException {
                if (conceptStopWord != null) {
                        Session session = sessionFactory.getCurrentSession();
                        CriteriaBuilder cb = session.getCriteriaBuilder();
                        CriteriaQuery<ConceptStopWord> cq = cb.createQuery(ConceptStopWord.class);
                        Root<ConceptStopWord> root = cq.from(ConceptStopWord.class);

                        cq.where(cb.and(
                                cb.equal(root.get("value"), conceptStopWord.getValue()),
                                cb.equal(root.get("locale"), conceptStopWord.getLocale())));

                        List<ConceptStopWord> stopWordList = session.createQuery(cq).getResultList();

                        if (!stopWordList.isEmpty()) {
                                throw new DAOException("Duplicate ConceptStopWord Entry");
                        }
                        session.saveOrUpdate(conceptStopWord);
                }
                return conceptStopWord;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#deleteConceptStopWord(java.lang.Integer)
         */
        @Override
        public void deleteConceptStopWord(Integer conceptStopWordId) throws DAOException {
                if (conceptStopWordId == null) {
                        throw new DAOException("conceptStopWordId is null");
                }

                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptStopWord> cq = cb.createQuery(ConceptStopWord.class);
                Root<ConceptStopWord> root = cq.from(ConceptStopWord.class);
                
                cq.where(cb.equal(root.get("conceptStopWordId"), conceptStopWordId));

                ConceptStopWord csw = session.createQuery(cq).uniqueResult();
                if (csw == null) {
                        throw new DAOException("Concept Stop Word not found or already deleted");
                }
                session.delete(csw);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getAllConceptStopWords()
         */
        @Override
        public List<ConceptStopWord> getAllConceptStopWords() {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptStopWord> cq = cb.createQuery(ConceptStopWord.class);
                cq.from(ConceptStopWord.class);

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see ConceptService#getCountOfDrugs(String, Concept, boolean, boolean, boolean)
         */
        @Override
        public Long getCountOfDrugs(String drugName, Concept concept, boolean searchKeywords, boolean searchDrugConceptNames,
                boolean includeRetired) throws DAOException {
                SearchQuery<Drug> drugsQuery = newDrugQuery(drugName, searchKeywords, searchDrugConceptNames, Context.getLocale(),
                    false, concept, includeRetired);
                
                if (drugsQuery == null) {
                        return 0L;
                }
                
                return drugsQuery.fetchTotalHitCount();
        }
        
        /**
         * <strong>Should</strong> return a drug if either the drug name or concept name matches the phase not both
         * <strong>Should</strong> return distinct drugs
         * <strong>Should</strong> return a drug, if phrase match concept_name No need to match both concept_name and
         *         drug_name
         * <strong>Should</strong> return drug when phrase match drug_name even searchDrugConceptNames is false
         * <strong>Should</strong> return a drug if phrase match drug_name No need to match both concept_name and
         *         drug_name
         */
        @Override
        public List<Drug> getDrugs(String drugName, Concept concept, boolean searchKeywords, boolean searchDrugConceptNames,
                boolean includeRetired, Integer start, Integer length) throws DAOException {
                SearchQuery<Drug> drugsQuery = newDrugQuery(drugName, searchKeywords, searchDrugConceptNames, Context.getLocale(),
                    false, concept, includeRetired);
                
                if (drugsQuery == null) {
                        return Collections.emptyList();
                }
                
                return drugsQuery.fetchHits(start, length);
        }
        
        private SearchQuery<Drug> newDrugQuery(String drugName, boolean searchKeywords, boolean searchDrugConceptNames,
                                                                                   Locale locale, boolean exactLocale, Concept concept, boolean includeRetired) {
                if (StringUtils.isBlank(drugName) && concept == null) {
                        return null;
                }
                final Collection<Locale> locales = Collections.singletonList(locale == null ? Context.getLocale() : locale);

                final List<Object> conceptIds;
                if (searchDrugConceptNames) {
                        SearchSession searchSession = searchSessionFactory.getSearchSession();
                        SearchScope<ConceptName> scope = searchSession.scope(ConceptName.class);
                        
                        SearchPredicate conceptNamePredicate = newConceptNamePredicate(scope.predicate(), drugName, searchKeywords, locales, exactLocale,
                                includeRetired, null, null, null, null, null);

                        conceptIds = SearchQueryUnique.findUniqueKeys(searchSession, scope, conceptNamePredicate, "concept.conceptId");
                } else {
                        conceptIds = Collections.emptyList();
                }
                
                return searchSessionFactory.getSearchSession().search(Drug.class).where(f -> f.bool().with(b -> {
                        b.minimumShouldMatchNumber(1);
                        List<String> tokenizedName = tokenizeName(drugName, locales);
                        BooleanPredicateClausesStep<?> nameQuery = newNameQuery(f, tokenizedName, drugName, searchKeywords);
                        b.should(f.match().field("drugReferenceMaps.conceptReferenceTerm.code").matching(drugName).boost(10f));
                        b.should(nameQuery.boost(0.5f));
                        if (concept != null) {
                                b.should(f.match().field("concept.conceptId").matching(concept.getId()).boost(0.1f));
                        }
                        if (!conceptIds.isEmpty()) {
                                float boost = 0.1f;
                                int boostItems = 10; // boost first items in order
                                int i = 0;
                                for (Object conceptId : conceptIds) {
                                        b.should(f.match().field("concept.conceptId").matching(conceptId).boost(boost));
                                        boost = boost * 0.9f;
                                        i++;
                                        if (boostItems == i) {
                                                break;
                                        }
                                }
                                if (conceptIds.size() > boostItems) {
                                        b.should(f.terms().field("concept.conceptId").matchingAny(
                                                conceptIds.subList(boostItems, conceptIds.size())).boost(boost));
                                }
                        }
                        if (!includeRetired) {
                                b.filter(f.match().field("retired").matching(Boolean.FALSE));
                        }
                })).toQuery();
        }

        /**
         * @see ConceptDAO#getConcepts(String, List, boolean, List, List, List, List, Concept, Integer,
         *      Integer)
         */
        @Override
        public List<ConceptSearchResult> getConcepts(final String phrase, final List<Locale> locales,
                final boolean includeRetired, final List<ConceptClass> requireClasses, final List<ConceptClass> excludeClasses,
                final List<ConceptDatatype> requireDatatypes, final List<ConceptDatatype> excludeDatatypes,
                final Concept answersToConcept, final Integer start, final Integer size) throws DAOException {
                
                return SearchQueryUnique.search(searchSessionFactory, SearchQueryUnique.newQuery(ConceptName.class, f -> 
                        newConceptNamePredicate(f, phrase, true, locales, false, includeRetired,
                        requireClasses, excludeClasses, requireDatatypes, excludeDatatypes, answersToConcept), "concept.conceptId", 
                        n -> new ConceptSearchResult(phrase, n.getConcept(), n)), start, size);
        }
        
        @Override
        public Integer getCountOfConcepts(final String phrase, List<Locale> locales, boolean includeRetired,
                List<ConceptClass> requireClasses, List<ConceptClass> excludeClasses, List<ConceptDatatype> requireDatatypes,
                List<ConceptDatatype> excludeDatatypes, Concept answersToConcept) throws DAOException {
                
                
                return Math.toIntExact(SearchQueryUnique.searchCount(searchSessionFactory, 
                        SearchQueryUnique.newQuery(ConceptName.class, f -> newConceptNamePredicate(f, phrase, 
                                true, locales, false, includeRetired, requireClasses, excludeClasses, 
                                requireDatatypes, excludeDatatypes, answersToConcept), "concept.conceptId")));
        }
        
        private SearchPredicate newConceptNamePredicate(SearchPredicateFactory f, final String phrase, boolean searchKeywords,
                                                                                                           Collection<Locale> locales, boolean searchExactLocale, boolean includeRetired, List<ConceptClass> requireClasses,
                                                                                                           List<ConceptClass> excludeClasses, List<ConceptDatatype> requireDatatypes,
                                                                                                           List<ConceptDatatype> excludeDatatypes, Concept answersToConcept) {
                return f.bool().with(b -> {
                        if (!StringUtils.isBlank(phrase)) {
                                final Collection<Locale> searchLocales;

                                if (locales == null) {
                                        searchLocales = Collections.singletonList(Context.getLocale());
                                } else {
                                        searchLocales = new HashSet<>(locales);
                                }

                                b.must(newConceptNameQuery(f, phrase, searchKeywords, searchLocales, searchExactLocale));
                        }

                        if (!CollectionUtils.isEmpty(requireClasses)) {
                                b.filter(f.terms().field("concept.conceptClass")
                                        .matchingAny(requireClasses));
                        }
                        if (!CollectionUtils.isEmpty(excludeClasses)) {
                                b.filter(f.not(f.terms().field("concept.conceptClass")
                                        .matchingAny(excludeClasses)));
                        }
                        if (!CollectionUtils.isEmpty(requireDatatypes)) {
                                b.filter(f.terms().field("concept.datatype")
                                        .matchingAny(requireDatatypes));
                        }
                        if (!CollectionUtils.isEmpty(excludeDatatypes)) {
                                b.filter(f.not(f.terms().field("concept.datatype")
                                        .matchingAny(excludeDatatypes)));
                        }

                        if (answersToConcept != null) {
                                Collection<ConceptAnswer> answers = answersToConcept.getAnswers(false);

                                if (answers != null && !answers.isEmpty()) {
                                        List<Integer> ids = new ArrayList<>();
                                        for (ConceptAnswer conceptAnswer : answersToConcept.getAnswers(false)) {
                                                ids.add(conceptAnswer.getAnswerConcept().getId());
                                        }
                                        b.filter(f.terms().field("concept.conceptId").matchingAny(ids));
                                }
                        }

                        if (!includeRetired) {
                                b.filter(f.match().field("concept.retired").matching(Boolean.FALSE));
                        }
                }).toPredicate();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptMapTypes(boolean, boolean)
         */
        @Override
        public List<ConceptMapType> getConceptMapTypes(boolean includeRetired, boolean includeHidden) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptMapType> cq = cb.createQuery(ConceptMapType.class);
                Root<ConceptMapType> root = cq.from(ConceptMapType.class);

                List<Predicate> predicates = new ArrayList<>();
                if (!includeRetired) {
                        predicates.add(cb.isFalse(root.get("retired")));
                }
                if (!includeHidden) {
                        predicates.add(cb.isFalse(root.get("isHidden")));
                }

                cq.where(predicates.toArray(new Predicate[]{}));

                List<ConceptMapType> conceptMapTypes = session.createQuery(cq).getResultList();
                conceptMapTypes.sort(new ConceptMapTypeComparator());

                return conceptMapTypes;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptMapType(java.lang.Integer)
         */
        @Override
        public ConceptMapType getConceptMapType(Integer conceptMapTypeId) throws DAOException {
                return sessionFactory.getCurrentSession().get(ConceptMapType.class, conceptMapTypeId);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptMapTypeByUuid(java.lang.String)
         */
        @Override
        public ConceptMapType getConceptMapTypeByUuid(String uuid) throws DAOException {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptMapType.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptMapTypeByName(java.lang.String)
         */
        @Override
        public ConceptMapType getConceptMapTypeByName(String name) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptMapType> cq = cb.createQuery(ConceptMapType.class);
                Root<ConceptMapType> root = cq.from(ConceptMapType.class);

                cq.where(cb.like(cb.lower(root.get("name")), MatchMode.EXACT.toLowerCasePattern(name)));

                return session.createQuery(cq).uniqueResult();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptMapType(org.openmrs.ConceptMapType)
         */
        @Override
        public ConceptMapType saveConceptMapType(ConceptMapType conceptMapType) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(conceptMapType);
                return conceptMapType;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#deleteConceptMapType(org.openmrs.ConceptMapType)
         */
        @Override
        public void deleteConceptMapType(ConceptMapType conceptMapType) throws DAOException {
                sessionFactory.getCurrentSession().delete(conceptMapType);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTerms(boolean)
         */
        @Override
        public List<ConceptReferenceTerm> getConceptReferenceTerms(boolean includeRetired) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceTerm> cq = cb.createQuery(ConceptReferenceTerm.class);
                Root<ConceptReferenceTerm> root = cq.from(ConceptReferenceTerm.class);

                if (!includeRetired) {
                        cq.where(cb.isFalse(root.get("retired")));
                }
                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTerm(java.lang.Integer)
         */
        @Override
        public ConceptReferenceTerm getConceptReferenceTerm(Integer conceptReferenceTermId) throws DAOException {
                return sessionFactory.getCurrentSession().get(ConceptReferenceTerm.class,
                    conceptReferenceTermId);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTermByUuid(java.lang.String)
         */
        @Override
        public ConceptReferenceTerm getConceptReferenceTermByUuid(String uuid) throws DAOException {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptReferenceTerm.class, uuid);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTermsBySource(ConceptSource)
         */
        @Override
        public List<ConceptReferenceTerm> getConceptReferenceTermsBySource(ConceptSource conceptSource) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceTerm> cq = cb.createQuery(ConceptReferenceTerm.class);
                Root<ConceptReferenceTerm> root = cq.from(ConceptReferenceTerm.class);

                cq.where(cb.equal(root.get(CONCEPT_SOURCE), conceptSource));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTermByName(java.lang.String,
         *      org.openmrs.ConceptSource)
         */
        @Override
        public ConceptReferenceTerm getConceptReferenceTermByName(String name, ConceptSource conceptSource) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceTerm> cq = cb.createQuery(ConceptReferenceTerm.class);
                Root<ConceptReferenceTerm> root = cq.from(ConceptReferenceTerm.class);

                Predicate namePredicate = cb.like(cb.lower(root.get("name")), MatchMode.EXACT.toLowerCasePattern(name));
                Predicate sourcePredicate = cb.equal(root.get(CONCEPT_SOURCE), conceptSource);

                cq.where(cb.and(namePredicate, sourcePredicate));

                List<ConceptReferenceTerm> terms = session.createQuery(cq).getResultList();
                if (terms.isEmpty()) {
                        return null;
                } else if (terms.size() > 1) {
                        throw new APIException("ConceptReferenceTerm.foundMultipleTermsWithNameInSource",
                                new Object[]{name, conceptSource.getName()});
                }
                return terms.get(0);
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTermByCode(java.lang.String,
         *      org.openmrs.ConceptSource)
         */
        @Override
        public ConceptReferenceTerm getConceptReferenceTermByCode(String code, ConceptSource conceptSource) throws DAOException {
                List<ConceptReferenceTerm> conceptReferenceTerms = getConceptReferenceTermByCode(code, conceptSource, true);
                
                if (conceptReferenceTerms.isEmpty()) {
                        return null;
                } else if (conceptReferenceTerms.size() > 1) {
                        List<ConceptReferenceTerm> unretiredConceptReferenceTerms = conceptReferenceTerms.stream()
                                .filter(term -> !term.getRetired())
                                        .collect(toList());
                        if (unretiredConceptReferenceTerms.size() == 1) {
                                return unretiredConceptReferenceTerms.get(0);
                        }
                        
                        // either more than one unretired concept term or more than one retired concept term
                        throw new APIException("ConceptReferenceTerm.foundMultipleTermsWithCodeInSource",
                                new Object[] { code, conceptSource.getName() });
                }
                
                return conceptReferenceTerms.get(0);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTermByCode(java.lang.String,
         *      org.openmrs.ConceptSource, boolean)
         */
        @Override
        public List<ConceptReferenceTerm> getConceptReferenceTermByCode(String code, ConceptSource conceptSource,
                boolean includeRetired) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceTerm> cq = cb.createQuery(ConceptReferenceTerm.class);
                Root<ConceptReferenceTerm> root = cq.from(ConceptReferenceTerm.class);

                List<Predicate> predicates = new ArrayList<>();
                predicates.add(cb.equal(root.get("code"), code));
                predicates.add(cb.equal(root.get(CONCEPT_SOURCE), conceptSource));

                if (!includeRetired) {
                        predicates.add(cb.isFalse(root.get("retired")));
                }
                cq.where(predicates.toArray(new Predicate[]{}));

                return session.createQuery(cq).getResultList();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptReferenceTerm(org.openmrs.ConceptReferenceTerm)
         */
        @Override
        public ConceptReferenceTerm saveConceptReferenceTerm(ConceptReferenceTerm conceptReferenceTerm) throws DAOException {
                sessionFactory.getCurrentSession().saveOrUpdate(conceptReferenceTerm);
                return conceptReferenceTerm;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#deleteConceptReferenceTerm(org.openmrs.ConceptReferenceTerm)
         */
        @Override
        public void deleteConceptReferenceTerm(ConceptReferenceTerm conceptReferenceTerm) throws DAOException {
                sessionFactory.getCurrentSession().delete(conceptReferenceTerm);
        }

        @Override
        public Long getCountOfConceptReferenceTerms(String query, ConceptSource conceptSource, boolean includeRetired)
                throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Long> cq = cb.createQuery(Long.class);
                Root<ConceptReferenceTerm> root = cq.from(ConceptReferenceTerm.class);

                List<Predicate> predicates = createConceptReferenceTermPredicates(cb, root, query, conceptSource, includeRetired);

                cq.where(predicates.toArray(new Predicate[]{})).select(cb.count(root));

                return session.createQuery(cq).getSingleResult();
        }


        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceTerms(String, ConceptSource, Integer,
         *      Integer, boolean)
         */
        @Override
        public List<ConceptReferenceTerm> getConceptReferenceTerms(String query, ConceptSource conceptSource, Integer start,
                                                                                                                           Integer length, boolean includeRetired) throws APIException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceTerm> cq = cb.createQuery(ConceptReferenceTerm.class);
                Root<ConceptReferenceTerm> root = cq.from(ConceptReferenceTerm.class);

                List<Predicate> predicates = createConceptReferenceTermPredicates(cb, root, query, conceptSource, includeRetired);
                cq.where(predicates.toArray(new Predicate[]{}));

                TypedQuery<ConceptReferenceTerm> typedQuery = session.createQuery(cq);

                if (start != null) {
                        typedQuery.setFirstResult(start);
                }
                if (length != null && length > 0) {
                        typedQuery.setMaxResults(length);
                }

                return typedQuery.getResultList();
        }

        private List<Predicate> createConceptReferenceTermPredicates(CriteriaBuilder cb, Root<ConceptReferenceTerm> root,
                                                                                                                                 String query, ConceptSource conceptSource, boolean includeRetired) {
                List<Predicate> predicates = new ArrayList<>();

                if (conceptSource != null) {
                        predicates.add(cb.equal(root.get(CONCEPT_SOURCE), conceptSource));
                }
                if (!includeRetired) {
                        predicates.add(cb.isFalse(root.get("retired")));
                }
                if (query != null) {
                        Predicate namePredicate = cb.like(cb.lower(root.get("name")), MatchMode.ANYWHERE.toLowerCasePattern(query));
                        Predicate codePredicate = cb.like(cb.lower(root.get("code")), MatchMode.ANYWHERE.toLowerCasePattern(query));

                        predicates.add(cb.or(namePredicate, codePredicate));
                }

                return predicates;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getReferenceTermMappingsTo(ConceptReferenceTerm)
         */
        @Override
        public List<ConceptReferenceTermMap> getReferenceTermMappingsTo(ConceptReferenceTerm term) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceTermMap> cq = cb.createQuery(ConceptReferenceTermMap.class);
                Root<ConceptReferenceTermMap> root = cq.from(ConceptReferenceTermMap.class);

                cq.where(cb.equal(root.get("termB"), term));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#isConceptReferenceTermInUse(org.openmrs.ConceptReferenceTerm)
         */
        @Override
        public boolean isConceptReferenceTermInUse(ConceptReferenceTerm term) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();

                // Check in ConceptMap table
                CriteriaQuery<Long> conceptMapQuery = cb.createQuery(Long.class);
                Root<ConceptMap> conceptMapRoot = conceptMapQuery.from(ConceptMap.class);
                conceptMapQuery.select(cb.count(conceptMapRoot));
                conceptMapQuery.where(cb.equal(conceptMapRoot.get(CONCEPT_REFERENCE_TERM), term));

                Long conceptMapCount = session.createQuery(conceptMapQuery).uniqueResult();
                if (conceptMapCount > 0) {
                        return true;
                }

                // Check in ConceptReferenceTermMap table
                CriteriaQuery<Long> conceptReferenceTermMapQuery = cb.createQuery(Long.class);
                Root<ConceptReferenceTermMap> conceptReferenceTermMapRoot =
                        conceptReferenceTermMapQuery.from(ConceptReferenceTermMap.class);
                conceptReferenceTermMapQuery.select(cb.count(conceptReferenceTermMapRoot));
                conceptReferenceTermMapQuery.where(cb.equal(conceptReferenceTermMapRoot.get("termB"), term));

                Long conceptReferenceTermMapCount = session.createQuery(conceptReferenceTermMapQuery).uniqueResult();
                return conceptReferenceTermMapCount > 0;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#isConceptMapTypeInUse(org.openmrs.ConceptMapType)
         */
        @Override
        public boolean isConceptMapTypeInUse(ConceptMapType mapType) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();

                // Check in ConceptMap table
                CriteriaQuery<Long> conceptQuery = cb.createQuery(Long.class);
                Root<ConceptMap> conceptRoot = conceptQuery.from(ConceptMap.class);
                conceptQuery.select(cb.count(conceptRoot));
                conceptQuery.where(cb.equal(conceptRoot.get("conceptMapType"), mapType));

                Long conceptCount = session.createQuery(conceptQuery).uniqueResult();
                if (conceptCount > 0) {
                        return true;
                }

                // Check in ConceptReferenceTermMap table
                CriteriaQuery<Long> conceptReferenceTermMapQuery = cb.createQuery(Long.class);
                Root<ConceptReferenceTermMap> conceptReferenceTermMapRoot = conceptReferenceTermMapQuery.from(ConceptReferenceTermMap.class);
                conceptReferenceTermMapQuery.select(cb.count(conceptReferenceTermMapRoot));
                conceptReferenceTermMapQuery.where(cb.equal(conceptReferenceTermMapRoot.get("conceptMapType"), mapType));

                Long conceptReferenceTermMapCount = session.createQuery(conceptReferenceTermMapQuery).uniqueResult();
                return conceptReferenceTermMapCount > 0;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptsByName(java.lang.String, java.util.Locale,
         *      java.lang.Boolean)
         */
        @Override
        public List<Concept> getConceptsByName(final String name, final Locale locale, final Boolean exactLocale) {
                
                List<Locale> locales = new ArrayList<>();
                if (locale == null) {
                        locales.add(Context.getLocale());
                } else {
                        locales.add(locale);
                }
                
                boolean searchExactLocale = (exactLocale == null) ? false : exactLocale;
                
                return SearchQueryUnique.search(searchSessionFactory, SearchQueryUnique.newQuery(ConceptName.class, f -> 
                        newConceptNamePredicate(f, name, true, locales, searchExactLocale, false,
                        null, null, null, null, null), 
                        "concept.conceptId", ConceptName::getConcept));
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptByName(java.lang.String)
         */
        @Override
        public Concept getConceptByName(final String name) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptName> cq = cb.createQuery(ConceptName.class);
                Root<ConceptName> root = cq.from(ConceptName.class);
                Join<ConceptName, Concept> conceptJoin = root.join("concept");

                Locale locale = Context.getLocale();
                Locale language = new Locale(locale.getLanguage() + "%");
                List<Predicate> predicates = new ArrayList<>();

                predicates.add(cb.or(cb.equal(root.get("locale"), locale), cb.like(root.get("locale").as(String.class), language.toString())));
                if (Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive()) {
                        predicates.add(cb.like(cb.lower(root.get("name")), name.toLowerCase()));
                } else {
                        predicates.add(cb.equal(root.get("name"), name));
                }
                predicates.add(cb.isFalse(root.get("voided")));
                predicates.add(cb.isFalse(conceptJoin.get("retired")));

                cq.where(predicates.toArray(new Predicate[0]));

                List<ConceptName> list = session.createQuery(cq).getResultList();
                LinkedHashSet<Concept> concepts = transformNamesToConcepts(list);

                if (concepts.size() == 1) {
                        return concepts.iterator().next();
                } else if (list.isEmpty()) {
                        log.warn("No concept found for '" + name + "'");
                } else {
                        log.warn("Multiple concepts found for '" + name + "'");

                        for (Concept concept : concepts) {
                                for (ConceptName conceptName : concept.getNames(locale)) {
                                        if (conceptName.getName().equalsIgnoreCase(name)) {
                                                return concept;
                                        }
                                }
                                for (ConceptName indexTerm : concept.getIndexTermsForLocale(locale)) {
                                        if (indexTerm.getName().equalsIgnoreCase(name)) {
                                                return concept;
                                        }
                                }
                        }
                }

                return null;
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#getDefaultConceptMapType()
         */
        @Override
        public ConceptMapType getDefaultConceptMapType() throws DAOException {
                FlushMode previousFlushMode = sessionFactory.getCurrentSession().getHibernateFlushMode();
                sessionFactory.getCurrentSession().setHibernateFlushMode(FlushMode.MANUAL);
                try {
                        //Defaults to same-as if the gp is not set.
                        String defaultConceptMapType = Context.getAdministrationService().getGlobalProperty(
                            OpenmrsConstants.GP_DEFAULT_CONCEPT_MAP_TYPE);
                        if (defaultConceptMapType == null) {
                                throw new DAOException("The default concept map type is not set. You need to set the '"
                                        + OpenmrsConstants.GP_DEFAULT_CONCEPT_MAP_TYPE + "' global property.");
                        }
                        
                        ConceptMapType conceptMapType = getConceptMapTypeByName(defaultConceptMapType);
                        if (conceptMapType == null) {
                                throw new DAOException("The default concept map type (name: " + defaultConceptMapType
                                        + ") does not exist! You need to set the '" + OpenmrsConstants.GP_DEFAULT_CONCEPT_MAP_TYPE
                                        + "' global property.");
                        }
                        return conceptMapType;
                }
                finally {
                        sessionFactory.getCurrentSession().setHibernateFlushMode(previousFlushMode);
                }
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#isConceptNameDuplicate(org.openmrs.ConceptName)
         */
        @Override
        public boolean isConceptNameDuplicate(ConceptName name) {
                if (name.getVoided()) {
                        return false;
                }
                if (name.getConcept() != null) {
                        if (name.getConcept().getRetired()) {
                                return false;
                        }

                        //If it is not a default name of a concept, it cannot be a duplicate.
                        //Note that a concept may not have a default name for the given locale, if just a short name or
                        //a search term is set.
                        if (!name.equals(name.getConcept().getName(name.getLocale()))) {
                                return false;
                        }
                }

                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptName> cq = cb.createQuery(ConceptName.class);
                Root<ConceptName> root = cq.from(ConceptName.class);

                List<Predicate> predicates = new ArrayList<>();

                predicates.add(cb.isFalse(root.get("voided")));
                predicates.add(cb.or(cb.equal(root.get("locale"), name.getLocale()),
                        cb.equal(root.get("locale"), new Locale(name.getLocale().getLanguage()))));

                if (Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive()) {
                        predicates.add(cb.equal(cb.lower(root.get("name")), name.getName().toLowerCase()));
                } else {
                        predicates.add(cb.equal(root.get("name"), name.getName()));
                }

                cq.where(predicates.toArray(new Predicate[0]));

                List<ConceptName> candidateNames = session.createQuery(cq).getResultList();

                for (ConceptName candidateName : candidateNames) {
                        if (candidateName.getConcept().getRetired()) {
                                continue;
                        }
                        if (candidateName.getConcept().equals(name.getConcept())) {
                                continue;
                        }
                        // If it is a default name for a concept
                        if (candidateName.getConcept().getName(candidateName.getLocale()).equals(candidateName)) {
                                return true;
                        }
                }

                return false;
        }
        
        /**
         * @see ConceptDAO#getDrugs(String, java.util.Locale, boolean, boolean)
         */
        @Override
        public List<Drug> getDrugs(String searchPhrase, Locale locale, boolean exactLocale, boolean includeRetired) {
                SearchQuery<Drug> drugQuery = newDrugQuery(searchPhrase, true, true, locale, exactLocale, null, includeRetired);
                
                return drugQuery.fetchAllHits();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrugsByMapping(String, ConceptSource, Collection, boolean)
         */
        @Override
        public List<Drug> getDrugsByMapping(String code, ConceptSource conceptSource,
                                                                                Collection<ConceptMapType> withAnyOfTheseTypes, boolean includeRetired) throws DAOException {

                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Drug> cq = cb.createQuery(Drug.class);
                Root<Drug> drugRoot = cq.from(Drug.class);

                Join<Drug, DrugReferenceMap> drugReferenceMapJoin = drugRoot.join("drugReferenceMaps");
                Join<DrugReferenceMap, ConceptReferenceTerm> termJoin = drugReferenceMapJoin.join(CONCEPT_REFERENCE_TERM);
                List<Predicate> basePredicates = createSearchDrugByMappingPredicates(cb, drugRoot, drugReferenceMapJoin, termJoin,
                    code, conceptSource, includeRetired);

                if (!withAnyOfTheseTypes.isEmpty()) {
                        // Create a predicate to check if the ConceptMapType is in the provided collection
                        Predicate mapTypePredicate = drugReferenceMapJoin.get("conceptMapType").in(withAnyOfTheseTypes);
                        basePredicates.add(mapTypePredicate);
                }

                cq.where(basePredicates.toArray(new Predicate[]{}));

                return session.createQuery(cq).getResultList().stream().distinct().collect(toList());
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getDrugs
         */
        @Override
        public Drug getDrugByMapping(String code, ConceptSource conceptSource,
                                                                 Collection<ConceptMapType> withAnyOfTheseTypesOrOrderOfPreference) throws DAOException {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Drug> cq = cb.createQuery(Drug.class);
                Root<Drug> drugRoot = cq.from(Drug.class);

                Join<Drug, DrugReferenceMap> drugReferenceMapJoin = drugRoot.join("drugReferenceMaps");
                Join<DrugReferenceMap, ConceptReferenceTerm> termJoin = drugReferenceMapJoin.join("conceptReferenceTerm");

                List<Predicate> basePredicates = createSearchDrugByMappingPredicates(cb, drugRoot, drugReferenceMapJoin, termJoin, code, conceptSource, true);

                if (!withAnyOfTheseTypesOrOrderOfPreference.isEmpty()) {
                        for (ConceptMapType conceptMapType : withAnyOfTheseTypesOrOrderOfPreference) {
                                List<Predicate> predicates = new ArrayList<>(basePredicates);
                                predicates.add(cb.equal(drugReferenceMapJoin.get("conceptMapType"), conceptMapType));
                                cq.where(predicates.toArray(new Predicate[]{}));

                                TypedQuery<Drug> query = session.createQuery(cq);
                                List<Drug> drugs = query.getResultList();
                                if (drugs.size() > 1) {
                                        throw new DAOException("There are multiple matches for the highest-priority ConceptMapType");
                                } else if (drugs.size() == 1) {
                                        return drugs.get(0);
                                }
                        }
                } else {
                        cq.where(basePredicates.toArray(new Predicate[]{}));

                        TypedQuery<Drug> query = session.createQuery(cq);
                        List<Drug> drugs = query.getResultList();
                        if (drugs.size() > 1) {
                                throw new DAOException("There are multiple matches for the highest-priority ConceptMapType");
                        } else if (drugs.size() == 1) {
                                return drugs.get(0);
                        }
                }
                return null;
        }


        /**
         * @see ConceptDAO#getAllConceptAttributeTypes()
         */
        @Override
        public List<ConceptAttributeType> getAllConceptAttributeTypes() {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptAttributeType> cq = cb.createQuery(ConceptAttributeType.class);
                cq.from(ConceptAttributeType.class);

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see ConceptDAO#saveConceptAttributeType(ConceptAttributeType)
         */
        @Override
        public ConceptAttributeType saveConceptAttributeType(ConceptAttributeType conceptAttributeType) {
                sessionFactory.getCurrentSession().saveOrUpdate(conceptAttributeType);
                return conceptAttributeType;
        }

        /**
         * @see ConceptDAO#getConceptAttributeType(Integer)
         */
        @Override
        public ConceptAttributeType getConceptAttributeType(Integer id) {
                return sessionFactory.getCurrentSession().get(ConceptAttributeType.class, id);
        }

        /**
         * @see ConceptDAO#getConceptAttributeTypeByUuid(String)
         */
        @Override
        public ConceptAttributeType getConceptAttributeTypeByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptAttributeType.class, uuid);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#deleteConceptAttributeType(org.openmrs.ConceptAttributeType)
         */
        @Override
        public void deleteConceptAttributeType(ConceptAttributeType conceptAttributeType) {
                sessionFactory.getCurrentSession().delete(conceptAttributeType);
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptAttributeTypes(String)
         */
        @Override
        public List<ConceptAttributeType> getConceptAttributeTypes(String name) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptAttributeType> cq = cb.createQuery(ConceptAttributeType.class);
                Root<ConceptAttributeType> root = cq.from(ConceptAttributeType.class);

                //match name anywhere and case insensitive
                if (name != null) {
                        cq.where(cb.like(cb.lower(root.get("name")), MatchMode.ANYWHERE.toLowerCasePattern(name)));
                }

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptAttributeTypeByName(String)
         */
        @Override
        public ConceptAttributeType getConceptAttributeTypeByName(String exactName) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptAttributeType> cq = cb.createQuery(ConceptAttributeType.class);
                Root<ConceptAttributeType> root = cq.from(ConceptAttributeType.class);

                cq.where(cb.equal(root.get("name"), exactName));

                return session.createQuery(cq).uniqueResult();
        }

        /**
         * @see ConceptDAO#getConceptAttributeByUuid(String)
         */
        @Override
        public ConceptAttribute getConceptAttributeByUuid(String uuid) {
                return HibernateUtil.getUniqueEntityByUUID(sessionFactory, ConceptAttribute.class, uuid);
        }

        /**
         * @see ConceptDAO#getConceptAttributeCount(ConceptAttributeType)
         */
        @Override
        public long getConceptAttributeCount(ConceptAttributeType conceptAttributeType) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Long> cq = cb.createQuery(Long.class);
                Root<ConceptAttribute> root = cq.from(ConceptAttribute.class);

                cq.select(cb.count(root)).where(cb.equal(root.get("attributeType"), conceptAttributeType));

                return session.createQuery(cq).getSingleResult();
        }

        @Override
        public List<Concept> getConceptsByClass(ConceptClass conceptClass) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<Concept> cq = cb.createQuery(Concept.class);
                Root<Concept> root = cq.from(Concept.class);

                cq.where(cb.equal(root.get("conceptClass"), conceptClass));

                return session.createQuery(cq).getResultList();
        }

        private List<Predicate> createSearchDrugByMappingPredicates(CriteriaBuilder cb, Root<Drug> drugRoot, Join<Drug, DrugReferenceMap> drugReferenceMapJoin,
                                                                                                                                Join<DrugReferenceMap, ConceptReferenceTerm> termJoin,
                                                                                                                                String code, ConceptSource conceptSource, boolean includeRetired) {
                List<Predicate> predicates = new ArrayList<>();
                
                if (code != null) {
                        predicates.add(cb.equal(termJoin.get("code"), code));
                }
                if (conceptSource != null) {
                        predicates.add(cb.equal(termJoin.get(CONCEPT_SOURCE), conceptSource));
                }
                if (!includeRetired) {
                        predicates.add(cb.isFalse(drugRoot.get("retired")));
                }

                return predicates;
        }

        private List<Predicate> createSearchConceptMapCriteria(CriteriaBuilder cb, Root<ConceptMap> root, String code, String sourceName, boolean includeRetired) {
                List<Predicate> predicates = new ArrayList<>();

                Join<ConceptMap, ConceptReferenceTerm> termJoin = root.join(CONCEPT_REFERENCE_TERM);

                // Match the source code to the passed code
                if (Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive()) {
                        predicates.add(cb.equal(cb.lower(termJoin.get("code")), code.toLowerCase()));
                } else {
                        predicates.add(cb.equal(termJoin.get("code"), code));
                }

                // Join to concept reference source and match to the hl7Code or source name
                Join<ConceptReferenceTerm, ConceptSource> sourceJoin = termJoin.join(CONCEPT_SOURCE);

                Predicate namePredicate = Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive()
                        ? cb.equal(cb.lower(sourceJoin.get("name")), sourceName.toLowerCase())
                        : cb.equal(sourceJoin.get("name"), sourceName);
                Predicate hl7CodePredicate = Context.getAdministrationService().isDatabaseStringComparisonCaseSensitive()
                        ? cb.equal(cb.lower(sourceJoin.get(HL7_CODE)), sourceName.toLowerCase())
                        : cb.equal(sourceJoin.get(HL7_CODE), sourceName);

                predicates.add(cb.or(namePredicate, hl7CodePredicate));

                // Join to concept and filter retired ones if necessary
                Join<ConceptMap, Concept> conceptJoin = root.join("concept");
                if (!includeRetired) {
                        predicates.add(cb.isFalse(conceptJoin.get("retired")));
                }
                return predicates;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#saveConceptReferenceRange(ConceptReferenceRange)
         */
        @Override
        public ConceptReferenceRange saveConceptReferenceRange(ConceptReferenceRange conceptReferenceRange) {
                sessionFactory.getCurrentSession().saveOrUpdate(conceptReferenceRange);
                return conceptReferenceRange;
        }

        /**
         * @see org.openmrs.api.db.ConceptDAO#getConceptReferenceRangesByConceptId(Integer)
         */
        @Override
        public List<ConceptReferenceRange> getConceptReferenceRangesByConceptId(Integer conceptId) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceRange> cq = cb.createQuery(ConceptReferenceRange.class);
                Root<ConceptReferenceRange> root = cq.from(ConceptReferenceRange.class);

                cq.where(cb.equal(root.get("conceptNumeric"), conceptId));

                return session.createQuery(cq).getResultList();
        }

        /**
         * @see ConceptDAO#getConceptReferenceRangeByUuid(String)
         */
        @Override
        public ConceptReferenceRange getConceptReferenceRangeByUuid(String uuid) {
                Session session = sessionFactory.getCurrentSession();
                CriteriaBuilder cb = session.getCriteriaBuilder();
                CriteriaQuery<ConceptReferenceRange> cq = cb.createQuery(ConceptReferenceRange.class);
                Root<ConceptReferenceRange> root = cq.from(ConceptReferenceRange.class);

                cq.where(cb.equal(root.get("uuid"), uuid));

                return session.createQuery(cq).uniqueResult();
        }
        
        /**
         * @see org.openmrs.api.db.ConceptDAO#purgeConceptReferenceRange(org.openmrs.ConceptReferenceRange)
         */
        @Override
        public void purgeConceptReferenceRange(ConceptReferenceRange conceptReferenceRange) {
                sessionFactory.getCurrentSession().delete(conceptReferenceRange);
        }
}

openmrs / openmrs-core / 26783948908

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