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

Run Details

299 of 598 branches covered (50.0%)

Branch coverage included in aggregate %.

35 of 40 new or added lines in 6 files covered. (87.5%)

1 existing line in 1 file now uncovered.

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84.85

/src/main/java/io/github/torand/fastersql/expression/cases/SimpleCase.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.alias.ColumnAlias;
import io.github.torand.fastersql.expression.Expression;
import io.github.torand.fastersql.model.Column;
import io.github.torand.fastersql.projection.Projection;
import io.github.torand.fastersql.sql.Context;
import io.github.torand.fastersql.sql.Sql;

import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;

import static io.github.torand.javacommons.contract.Requires.requireNonBlank;
import static io.github.torand.javacommons.contract.Requires.requireNonEmpty;
import static io.github.torand.javacommons.lang.StringHelper.nonBlank;
import static io.github.torand.javacommons.stream.StreamHelper.concatStreams;
import static io.github.torand.javacommons.stream.StreamHelper.streamSafely;
import static java.util.Objects.nonNull;
import static java.util.Objects.requireNonNull;

/**
 * Implements a simple CASE expression.
 */
public class SimpleCase implements Expression {
    private final Expression caseExpression;
    private final List<SimpleWhenThen> whenThenExpressions;
    private final Expression elseExpression;
    private final ColumnAlias alias;

    SimpleCase(Expression caseExpression, List<SimpleWhenThen> whenThenExpressions, Expression elseExpression, String alias) {
        this.caseExpression = requireNonNull(caseExpression, "No case expression specified");
        this.whenThenExpressions = requireNonEmpty(whenThenExpressions, "No when-then expressions specified");
        this.elseExpression = elseExpression;
        this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();
    }

    // Sql

    @Override
    public String sql(Context context) {
        StringBuilder sql = new StringBuilder();
        sql.append("case %s ".formatted(caseExpression.sql(context)));
        streamSafely(whenThenExpressions).forEach(wt -> sql.append(wt.sql(context)).append(" "));
        if (nonNull(elseExpression)) {
            sql.append("else ").append(elseExpression.sql(context)).append(" ");
        }
        sql.append("end");
        return sql.toString();
    }

    @Override
    public Stream<Object> params(Context context) {
        return concatStreams(
            caseExpression.params(context),
            streamSafely(whenThenExpressions).flatMap(wh -> wh.params(context)),
            Stream.ofNullable(elseExpression).flatMap(e -> e.params(context))
        );
    }

    @Override
    public Stream<Column> columnRefs() {
        return concatStreams(
            caseExpression.columnRefs(),
            streamSafely(whenThenExpressions).flatMap(SimpleWhenThen::columnRefs),
            Stream.ofNullable(elseExpression).flatMap(Sql::columnRefs)
        );
    }

    @Override
    public Stream<ColumnAlias> aliasRefs() {
        return concatStreams(
            caseExpression.aliasRefs(),
            streamSafely(whenThenExpressions).flatMap(SimpleWhenThen::aliasRefs),
            Stream.ofNullable(elseExpression).flatMap(Sql::aliasRefs)
        );
    }

    // Projection

    @Override
    public Projection as(String alias) {
        requireNonBlank(alias, "No alias specified");
        return new SimpleCase(caseExpression, whenThenExpressions, elseExpression, alias);
    }

    @Override
    public Optional<ColumnAlias> alias() {
        return Optional.ofNullable(alias);
    }

    private ColumnAlias defaultAlias() {
        return ColumnAlias.generate("CASE_");
    }
}

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.alias.ColumnAlias;
19	import io.github.torand.fastersql.expression.Expression;
20	import io.github.torand.fastersql.model.Column;
21	import io.github.torand.fastersql.projection.Projection;
22	import io.github.torand.fastersql.sql.Context;
23	import io.github.torand.fastersql.sql.Sql;
24
25	import java.util.List;
26	import java.util.Optional;
27	import java.util.stream.Stream;
28
29	import static io.github.torand.javacommons.contract.Requires.requireNonBlank;
30	import static io.github.torand.javacommons.contract.Requires.requireNonEmpty;
31	import static io.github.torand.javacommons.lang.StringHelper.nonBlank;
32	import static io.github.torand.javacommons.stream.StreamHelper.concatStreams;
33	import static io.github.torand.javacommons.stream.StreamHelper.streamSafely;
34	import static java.util.Objects.nonNull;
35	import static java.util.Objects.requireNonNull;
36
37	/**
38	* Implements a simple CASE expression.
39	*/
40	public class SimpleCase implements Expression {
41	private final Expression caseExpression;
42	private final List<SimpleWhenThen> whenThenExpressions;
43	private final Expression elseExpression;
44	private final ColumnAlias alias;
45
46	SimpleCase(Expression caseExpression, List<SimpleWhenThen> whenThenExpressions, Expression elseExpression, String alias) {	2✔
47	this.caseExpression = requireNonNull(caseExpression, "No case expression specified");	6✔
48	this.whenThenExpressions = requireNonEmpty(whenThenExpressions, "No when-then expressions specified");	8✔
49	this.elseExpression = elseExpression;	3✔
50	this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();	12✔
51	}	1✔
52
53	// Sql
54
55	@Override
56	public String sql(Context context) {
57	StringBuilder sql = new StringBuilder();	4✔
58	sql.append("case %s ".formatted(caseExpression.sql(context)));	14✔
59	streamSafely(whenThenExpressions).forEach(wt -> sql.append(wt.sql(context)).append(" "));	16✔
60	if (nonNull(elseExpression)) {	4!
61	sql.append("else ").append(elseExpression.sql(context)).append(" ");	11✔
62	}
63	sql.append("end");	4✔
64	return sql.toString();	3✔
65	}
66
67	@Override
68	public Stream<Object> params(Context context) {
69	return concatStreams(	9✔
70	caseExpression.params(context),	6✔
71	streamSafely(whenThenExpressions).flatMap(wh -> wh.params(context)),	13✔
72	Stream.ofNullable(elseExpression).flatMap(e -> e.params(context))	9✔
73	);
74	}
75
76	@Override
77	public Stream<Column> columnRefs() {
78	return concatStreams(	8✔
79	caseExpression.columnRefs(),	6✔
80	streamSafely(whenThenExpressions).flatMap(SimpleWhenThen::columnRefs),	8✔
81	Stream.ofNullable(elseExpression).flatMap(Sql::columnRefs)	4✔
82	);
83	}
84
85	@Override
86	public Stream<ColumnAlias> aliasRefs() {
87	return concatStreams(	×
88	caseExpression.aliasRefs(),	×
NEW 89	streamSafely(whenThenExpressions).flatMap(SimpleWhenThen::aliasRefs),	×
90	Stream.ofNullable(elseExpression).flatMap(Sql::aliasRefs)	×
91	);
92	}
93
94	// Projection
95
96	@Override
97	public Projection as(String alias) {
98	requireNonBlank(alias, "No alias specified");	6✔
99	return new SimpleCase(caseExpression, whenThenExpressions, elseExpression, alias);	11✔
100	}
101
102	@Override
103	public Optional<ColumnAlias> alias() {
104	return Optional.ofNullable(alias);	4✔
105	}
106
107	private ColumnAlias defaultAlias() {
108	return ColumnAlias.generate("CASE_");	3✔
109	}
110	}

torand / FasterSQL / 17194256933

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