17194256933

Committed 24 Aug 2025 09:56PM UTC coverage: 68.417% (+0.3%) from 68.15%

Build # 17194256933

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push

github

Committed by

torand

Commit Message

refactor: sonar cloud issues

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80.65

/src/main/java/io/github/torand/fastersql/expression/cases/SimpleCaseBuilder.java

/*
 * Copyright (c) 2024-2025 Tore Eide Andersen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.github.torand.fastersql.expression.cases;

import io.github.torand.fastersql.expression.Expression;

import java.util.ArrayList;
import java.util.List;

import static io.github.torand.fastersql.constant.Constants.$;
import static java.util.Objects.requireNonNull;

/**
 * Builder of simple CASE expressions.
 */
public class SimpleCaseBuilder {
    private final Expression caseExpression;
    private final List<SimpleWhenThen> whenThenClauses = new ArrayList<>();
    private Expression elseExpression;

    SimpleCaseBuilder(Expression caseExpression) {
        this.caseExpression = requireNonNull(caseExpression, "No case expression specified");
    }

    /**
     * Creates a WHEN-THEN clause.
     * @param whenExpression the WHEN expression.
     * @return the WHEN-THEN builder.
     */
    public SimpleWhenThenBuilder when(Expression whenExpression) {
        requireNonNull(whenExpression, "No when expression specified");
        return new SimpleWhenThenBuilder(this, whenExpression);
    }

   /**
     * Creates a WHEN-THEN clause.
     * @param whenConstant the WHEN constant value.
     * @return the WHEN-THEN builder.
     */
    public SimpleWhenThenBuilder when(String whenConstant) {
        requireNonNull(whenConstant, "No when constant specified");
        return when($(whenConstant));
    }

   /**
     * Creates a WHEN-THEN clause.
     * @param whenConstant the WHEN constant value.
     * @return the WHEN-THEN builder.
     */
    public SimpleWhenThenBuilder when(Number whenConstant) {
        requireNonNull(whenConstant, "No when constant specified");
        return when($(whenConstant));
    }

    /**
     * Adds an ELSE clause.
     * @param elseExpression the ELSE expression.
     * @return the modified CASE expression.
     */
    public SimpleCaseBuilder else_(Expression elseExpression) {
        this.elseExpression = requireNonNull(elseExpression, "No else expression specified");
        return this;
    }

    /**
     * Adds an ELSE clause.
     * @param elseConstant the ELSE constant value.
     * @return the modified CASE expression.
     */
    public SimpleCaseBuilder else_(String elseConstant) {
        requireNonNull(elseConstant, "No else constant specified");
        return else_($(elseConstant));
    }

    /**
     * Adds an ELSE clause.
     * @param elseConstant the ELSE constant value.
     * @return the modified CASE expression.
     */
    public SimpleCaseBuilder else_(Number elseConstant) {
        requireNonNull(elseConstant, "No else constant specified");
        return else_($(elseConstant));
    }

    /**
     * Creates the simple CASE expression.
     * @return the simple CASE expression.
     */
    public SimpleCase end() {
        return new SimpleCase(caseExpression, whenThenClauses, elseExpression, null);
    }

    void addWhenThenClause(SimpleWhenThen whenThenClause) {
        requireNonNull(whenThenClause, "No when-then clause specified");
        this.whenThenClauses.add(whenThenClause);
    }

    /**
     * Builder of a WHEN-THEN clause in a simple CASE expression.
     */
    public static class SimpleWhenThenBuilder {
        private final SimpleCaseBuilder caseBuilder;
        private final Expression whenExpression;

        SimpleWhenThenBuilder(SimpleCaseBuilder caseBuilder, Expression whenExpression) {
            this.caseBuilder = requireNonNull(caseBuilder, "No case builder specified");
            this.whenExpression = requireNonNull(whenExpression, "No when expression specified");
        }

        /**
         * Adds a WHEN-THEN clause.
         * @param thenExpression the THEN expression.
         * @return the modified CASE expression.
         */
        public SimpleCaseBuilder then(Expression thenExpression) {
            requireNonNull(thenExpression, "No then expression specified");
            caseBuilder.addWhenThenClause(new SimpleWhenThen(whenExpression, thenExpression));
            return caseBuilder;
        }

        /**
         * Adds a WHEN-THEN clause.
         * @param thenConstant the THEN constant value.
         * @return the modified CASE expression.
         */
        public SimpleCaseBuilder then(String thenConstant) {
            requireNonNull(thenConstant, "No then constant specified");
            return then($(thenConstant));
        }

        /**
         * Adds a WHEN-THEN clause.
         * @param thenConstant the THEN constant value.
         * @return the modified CASE expression.
         */
        public SimpleCaseBuilder then(Number thenConstant) {
            requireNonNull(thenConstant, "No then constant specified");
            return then($(thenConstant));
        }
    }
}

1	/*
2	* Copyright (c) 2024-2025 Tore Eide Andersen
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package io.github.torand.fastersql.expression.cases;
17
18	import io.github.torand.fastersql.expression.Expression;
19
20	import java.util.ArrayList;
21	import java.util.List;
22
23	import static io.github.torand.fastersql.constant.Constants.$;
24	import static java.util.Objects.requireNonNull;
25
26	/**
27	* Builder of simple CASE expressions.
28	*/
29	public class SimpleCaseBuilder {
30	private final Expression caseExpression;
31	private final List<SimpleWhenThen> whenThenClauses = new ArrayList<>();	5✔
32	private Expression elseExpression;
33
34	SimpleCaseBuilder(Expression caseExpression) {	2✔
35	this.caseExpression = requireNonNull(caseExpression, "No case expression specified");	6✔
36	}	1✔
37
38	/**
39	* Creates a WHEN-THEN clause.
40	* @param whenExpression the WHEN expression.
41	* @return the WHEN-THEN builder.
42	*/
43	public SimpleWhenThenBuilder when(Expression whenExpression) {
44	requireNonNull(whenExpression, "No when expression specified");	4✔
45	return new SimpleWhenThenBuilder(this, whenExpression);	6✔
46	}
47
48	/**
49	* Creates a WHEN-THEN clause.
50	* @param whenConstant the WHEN constant value.
51	* @return the WHEN-THEN builder.
52	*/
53	public SimpleWhenThenBuilder when(String whenConstant) {
54	requireNonNull(whenConstant, "No when constant specified");	4✔
55	return when($(whenConstant));	5✔
56	}
57
58	/**
59	* Creates a WHEN-THEN clause.
60	* @param whenConstant the WHEN constant value.
61	* @return the WHEN-THEN builder.
62	*/
63	public SimpleWhenThenBuilder when(Number whenConstant) {
64	requireNonNull(whenConstant, "No when constant specified");	×
65	return when($(whenConstant));	×
66	}
67
68	/**
69	* Adds an ELSE clause.
70	* @param elseExpression the ELSE expression.
71	* @return the modified CASE expression.
72	*/
73	public SimpleCaseBuilder else_(Expression elseExpression) {
74	this.elseExpression = requireNonNull(elseExpression, "No else expression specified");	6✔
75	return this;	2✔
76	}
77
78	/**
79	* Adds an ELSE clause.
80	* @param elseConstant the ELSE constant value.
81	* @return the modified CASE expression.
82	*/
83	public SimpleCaseBuilder else_(String elseConstant) {
84	requireNonNull(elseConstant, "No else constant specified");	4✔
85	return else_($(elseConstant));	5✔
86	}
87
88	/**
89	* Adds an ELSE clause.
90	* @param elseConstant the ELSE constant value.
91	* @return the modified CASE expression.
92	*/
93	public SimpleCaseBuilder else_(Number elseConstant) {
94	requireNonNull(elseConstant, "No else constant specified");	×
95	return else_($(elseConstant));	×
96	}
97
98	/**
99	* Creates the simple CASE expression.
100	* @return the simple CASE expression.
101	*/
102	public SimpleCase end() {
103	return new SimpleCase(caseExpression, whenThenClauses, elseExpression, null);	11✔
104	}
105
106	void addWhenThenClause(SimpleWhenThen whenThenClause) {
107	requireNonNull(whenThenClause, "No when-then clause specified");	4✔
108	this.whenThenClauses.add(whenThenClause);	5✔
109	}	1✔
110
111	/**
112	* Builder of a WHEN-THEN clause in a simple CASE expression.
113	*/
114	public static class SimpleWhenThenBuilder {
115	private final SimpleCaseBuilder caseBuilder;
116	private final Expression whenExpression;
117
118	SimpleWhenThenBuilder(SimpleCaseBuilder caseBuilder, Expression whenExpression) {	2✔
119	this.caseBuilder = requireNonNull(caseBuilder, "No case builder specified");	6✔
120	this.whenExpression = requireNonNull(whenExpression, "No when expression specified");	6✔
121	}	1✔
122
123	/**
124	* Adds a WHEN-THEN clause.
125	* @param thenExpression the THEN expression.
126	* @return the modified CASE expression.
127	*/
128	public SimpleCaseBuilder then(Expression thenExpression) {
129	requireNonNull(thenExpression, "No then expression specified");	4✔
130	caseBuilder.addWhenThenClause(new SimpleWhenThen(whenExpression, thenExpression));	9✔
131	return caseBuilder;	3✔
132	}
133
134	/**
135	* Adds a WHEN-THEN clause.
136	* @param thenConstant the THEN constant value.
137	* @return the modified CASE expression.
138	*/
139	public SimpleCaseBuilder then(String thenConstant) {
140	requireNonNull(thenConstant, "No then constant specified");	4✔
141	return then($(thenConstant));	5✔
142	}
143
144	/**
145	* Adds a WHEN-THEN clause.
146	* @param thenConstant the THEN constant value.
147	* @return the modified CASE expression.
148	*/
149	public SimpleCaseBuilder then(Number thenConstant) {
NEW 150	requireNonNull(thenConstant, "No then constant specified");	×
NEW 151	return then($(thenConstant));	×
152	}
153	}
154	}

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