1947

Committed 14 Jan 2026 02:31PM UTC coverage: 88.838% (+0.04%) from 88.799%

Build # 1947

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github

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web-flow

Commit Message

Merge pull request #1411 from mybatis/renovate/github-codeql-action-digest

Update github/codeql-action digest to cdefb33

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78.03

/core/mybatis-generator-core/src/main/java/org/mybatis/generator/plugins/EqualsHashCodePlugin.java

/*
 *    Copyright 2006-2026 the original author or authors.
 *
 *    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
 *
 *       https://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 org.mybatis.generator.plugins;

import static org.mybatis.generator.internal.util.JavaBeansUtil.getGetterMethodName;
import static org.mybatis.generator.internal.util.StringUtility.isTrue;

import java.util.Iterator;
import java.util.List;
import java.util.Properties;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.IntrospectedTable.TargetRuntime;
import org.mybatis.generator.api.PluginAdapter;
import org.mybatis.generator.api.dom.OutputUtilities;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
import org.mybatis.generator.api.dom.java.JavaVisibility;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.Parameter;
import org.mybatis.generator.api.dom.java.TopLevelClass;

/**
 * This plugin adds equals() and hashCode() methods to the generated model
 * classes. It demonstrates the process of adding methods to generated classes
 *
 * <p>The <code>equals</code> method generated by this class is correct in most cases,
 * but will probably NOT be correct if you have specified a rootClass - because
 * our equals method only checks the fields it knows about.
 *
 * <p>Similarly, the <code>hashCode</code> method generated by this class only relies
 * on fields it knows about. Anything you add, or fields in a super class will
 * not be factored into the hash code.
 *
 * @author Jeff Butler
 *
 */
public class EqualsHashCodePlugin extends PluginAdapter {

    private boolean useEqualsHashCodeFromRoot;

    @Override
    public void setProperties(Properties properties) {
        super.setProperties(properties);
        useEqualsHashCodeFromRoot = isTrue(properties.getProperty("useEqualsHashCodeFromRoot")); //$NON-NLS-1$
    }

    /**
     * This plugin is always valid - no properties are required.
     */
    @Override
    public boolean validate(List<String> warnings) {
        return true;
    }

    @Override
    public boolean modelBaseRecordClassGenerated(TopLevelClass topLevelClass,
            IntrospectedTable introspectedTable) {
        List<IntrospectedColumn> columns;
        if (introspectedTable.getRules().generateRecordWithBLOBsClass()) {
            columns = introspectedTable.getNonBLOBColumns();
        } else {
            columns = introspectedTable.getAllColumns();
        }

        generateEquals(topLevelClass, columns, introspectedTable);
        generateHashCode(topLevelClass, columns, introspectedTable);

        return true;
    }

    @Override
    public boolean modelPrimaryKeyClassGenerated(TopLevelClass topLevelClass,
            IntrospectedTable introspectedTable) {
        generateEquals(topLevelClass, introspectedTable.getPrimaryKeyColumns(),
                introspectedTable);
        generateHashCode(topLevelClass, introspectedTable
                .getPrimaryKeyColumns(), introspectedTable);

        return true;
    }

    @Override
    public boolean modelRecordWithBLOBsClassGenerated(
            TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
        generateEquals(topLevelClass, introspectedTable.getAllColumns(),
                introspectedTable);
        generateHashCode(topLevelClass, introspectedTable.getAllColumns(),
                introspectedTable);

        return true;
    }

    /**
     * Generates an <code>equals</code> method that does a comparison of all fields.
     *
     * <p>The generated <code>equals</code> method will be correct unless:
     *
     * <ul>
     *   <li>Other fields have been added to the generated classes</li>
     *   <li>A <code>rootClass</code> is specified that holds state</li>
     * </ul>
     *
     * @param topLevelClass
     *            the class to which the method will be added
     * @param introspectedColumns
     *            column definitions of this class and any superclass of this
     *            class
     * @param introspectedTable
     *            the table corresponding to this class
     */
    protected void generateEquals(TopLevelClass topLevelClass,
            List<IntrospectedColumn> introspectedColumns,
            IntrospectedTable introspectedTable) {
        Method method = new Method("equals"); //$NON-NLS-1$
        method.setVisibility(JavaVisibility.PUBLIC);
        method.setReturnType(FullyQualifiedJavaType
                .getBooleanPrimitiveInstance());
        method.addParameter(new Parameter(FullyQualifiedJavaType
                .getObjectInstance(), "that")); //$NON-NLS-1$
        method.addAnnotation("@Override"); //$NON-NLS-1$

        if (introspectedTable.getTargetRuntime() == TargetRuntime.MYBATIS3_DSQL) {
            commentGenerator.addGeneralMethodAnnotation(method, introspectedTable, topLevelClass.getImportedTypes());
        } else {
            commentGenerator.addGeneralMethodComment(method, introspectedTable);
        }

        method.addBodyLine("if (this == that) {"); //$NON-NLS-1$
        method.addBodyLine("return true;"); //$NON-NLS-1$
        method.addBodyLine("}"); //$NON-NLS-1$

        method.addBodyLine("if (that == null) {"); //$NON-NLS-1$
        method.addBodyLine("return false;"); //$NON-NLS-1$
        method.addBodyLine("}"); //$NON-NLS-1$

        method.addBodyLine("if (getClass() != that.getClass()) {"); //$NON-NLS-1$
        method.addBodyLine("return false;"); //$NON-NLS-1$
        method.addBodyLine("}"); //$NON-NLS-1$

        StringBuilder sb = new StringBuilder();
        sb.append(topLevelClass.getType().getShortName());
        sb.append(" other = ("); //$NON-NLS-1$
        sb.append(topLevelClass.getType().getShortName());
        sb.append(") that;"); //$NON-NLS-1$
        method.addBodyLine(sb.toString());

        if (useEqualsHashCodeFromRoot && topLevelClass.getSuperClass().isPresent()) {
            method.addBodyLine("if (!super.equals(other)) {"); //$NON-NLS-1$
            method.addBodyLine("return false;"); //$NON-NLS-1$
            method.addBodyLine("}"); //$NON-NLS-1$
        }

        boolean first = true;
        Iterator<IntrospectedColumn> iter = introspectedColumns.iterator();
        while (iter.hasNext()) {
            IntrospectedColumn introspectedColumn = iter.next();

            sb.setLength(0);

            if (first) {
                sb.append("return ("); //$NON-NLS-1$
                first = false;
            } else {
                OutputUtilities.javaIndent(sb, 1);
                sb.append("&& ("); //$NON-NLS-1$
            }

            String getterMethod = getGetterMethodName(
                    introspectedColumn.getJavaProperty(), introspectedColumn
                            .getFullyQualifiedJavaType());

            if (introspectedColumn.getFullyQualifiedJavaType().isPrimitive()) {
                sb.append("this."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("() == "); //$NON-NLS-1$
                sb.append("other."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("())"); //$NON-NLS-1$
            } else if (introspectedColumn.getFullyQualifiedJavaType().isArray()) {
                topLevelClass.addImportedType("java.util.Arrays"); //$NON-NLS-1$
                sb.append("Arrays.equals(this."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("(), "); //$NON-NLS-1$
                sb.append("other."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("()))"); //$NON-NLS-1$
            } else {
                sb.append("this."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("() == null ? other."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("() == null : this."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("().equals(other."); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("()))"); //$NON-NLS-1$
            }

            if (!iter.hasNext()) {
                sb.append(';');
            }

            method.addBodyLine(sb.toString());
        }

        topLevelClass.addMethod(method);
    }

    /**
     * Generates a <code>hashCode</code> method that includes all fields.
     *
     * <p>Note that this implementation is based on the eclipse foundation hashCode
     * generator.
     *
     * @param topLevelClass
     *            the class to which the method will be added
     * @param introspectedColumns
     *            column definitions of this class and any superclass of this
     *            class
     * @param introspectedTable
     *            the table corresponding to this class
     */
    protected void generateHashCode(TopLevelClass topLevelClass,
            List<IntrospectedColumn> introspectedColumns,
            IntrospectedTable introspectedTable) {
        Method method = new Method("hashCode"); //$NON-NLS-1$
        method.setVisibility(JavaVisibility.PUBLIC);
        method.setReturnType(FullyQualifiedJavaType.getIntInstance());
        method.addAnnotation("@Override"); //$NON-NLS-1$

        if (introspectedTable.getTargetRuntime() == TargetRuntime.MYBATIS3_DSQL) {
            commentGenerator.addGeneralMethodAnnotation(method, introspectedTable, topLevelClass.getImportedTypes());
        } else {
            commentGenerator.addGeneralMethodComment(method, introspectedTable);
        }

        method.addBodyLine("final int prime = 31;"); //$NON-NLS-1$
        method.addBodyLine("int result = 1;"); //$NON-NLS-1$

        if (useEqualsHashCodeFromRoot && topLevelClass.getSuperClass().isPresent()) {
            method.addBodyLine("result = prime * result + super.hashCode();"); //$NON-NLS-1$
        }

        StringBuilder sb = new StringBuilder();
        boolean hasTemp = false;
        for (IntrospectedColumn introspectedColumn : introspectedColumns) {
            FullyQualifiedJavaType fqjt = introspectedColumn
                    .getFullyQualifiedJavaType();

            String getterMethod = getGetterMethodName(
                    introspectedColumn.getJavaProperty(), fqjt);

            sb.setLength(0);
            if (fqjt.isPrimitive()) {
                if ("boolean".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb.append("result = prime * result + ("); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("() ? 1231 : 1237);"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                } else if ("byte".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb.append("result = prime * result + "); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("();"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                } else if ("char".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb.append("result = prime * result + "); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("();"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                } else if ("double".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    if (!hasTemp) {
                        method.addBodyLine("long temp;"); //$NON-NLS-1$
                        hasTemp = true;
                    }
                    sb.append("temp = Double.doubleToLongBits("); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("());"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                    method
                            .addBodyLine("result = prime * result + (int) (temp ^ (temp >>> 32));"); //$NON-NLS-1$
                } else if ("float".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb
                            .append("result = prime * result + Float.floatToIntBits("); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("());"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                } else if ("int".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb.append("result = prime * result + "); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("();"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                } else if ("long".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb.append("result = prime * result + (int) ("); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("() ^ ("); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("() >>> 32));"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                } else if ("short".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$
                    sb.append("result = prime * result + "); //$NON-NLS-1$
                    sb.append(getterMethod);
                    sb.append("();"); //$NON-NLS-1$
                    method.addBodyLine(sb.toString());
                }
            } else if (fqjt.isArray()) {
                // Arrays is already imported by the generateEquals method, we don't need
                // to do it again
                sb.append("result = prime * result + (Arrays.hashCode("); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("()));"); //$NON-NLS-1$
                method.addBodyLine(sb.toString());
            } else {
                sb.append("result = prime * result + (("); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("() == null) ? 0 : "); //$NON-NLS-1$
                sb.append(getterMethod);
                sb.append("().hashCode());"); //$NON-NLS-1$
                method.addBodyLine(sb.toString());
            }
        }

        method.addBodyLine("return result;"); //$NON-NLS-1$

        topLevelClass.addMethod(method);
    }
}

1	/*
2	* Copyright 2006-2026 the original author or authors.
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	* https://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 org.mybatis.generator.plugins;
17
18	import static org.mybatis.generator.internal.util.JavaBeansUtil.getGetterMethodName;
19	import static org.mybatis.generator.internal.util.StringUtility.isTrue;
20
21	import java.util.Iterator;
22	import java.util.List;
23	import java.util.Properties;
24
25	import org.mybatis.generator.api.IntrospectedColumn;
26	import org.mybatis.generator.api.IntrospectedTable;
27	import org.mybatis.generator.api.IntrospectedTable.TargetRuntime;
28	import org.mybatis.generator.api.PluginAdapter;
29	import org.mybatis.generator.api.dom.OutputUtilities;
30	import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
31	import org.mybatis.generator.api.dom.java.JavaVisibility;
32	import org.mybatis.generator.api.dom.java.Method;
33	import org.mybatis.generator.api.dom.java.Parameter;
34	import org.mybatis.generator.api.dom.java.TopLevelClass;
35
36	/**
37	* This plugin adds equals() and hashCode() methods to the generated model
38	* classes. It demonstrates the process of adding methods to generated classes
39	*
40	* <p>The <code>equals</code> method generated by this class is correct in most cases,
41	* but will probably NOT be correct if you have specified a rootClass - because
42	* our equals method only checks the fields it knows about.
43	*
44	* <p>Similarly, the <code>hashCode</code> method generated by this class only relies
45	* on fields it knows about. Anything you add, or fields in a super class will
46	* not be factored into the hash code.
47	*
48	* @author Jeff Butler
49	*
50	*/
51	public class EqualsHashCodePlugin extends PluginAdapter {	1✔
52
53	private boolean useEqualsHashCodeFromRoot;
54
55	@Override
56	public void setProperties(Properties properties) {
57	super.setProperties(properties);	1✔
58	useEqualsHashCodeFromRoot = isTrue(properties.getProperty("useEqualsHashCodeFromRoot")); //$NON-NLS-1$	1✔
59	}	1✔
60
61	/**
62	* This plugin is always valid - no properties are required.
63	*/
64	@Override
65	public boolean validate(List<String> warnings) {
66	return true;	1✔
67	}
68
69	@Override
70	public boolean modelBaseRecordClassGenerated(TopLevelClass topLevelClass,
71	IntrospectedTable introspectedTable) {
72	List<IntrospectedColumn> columns;
73	if (introspectedTable.getRules().generateRecordWithBLOBsClass()) {	1✔
74	columns = introspectedTable.getNonBLOBColumns();	1✔
75	} else {
76	columns = introspectedTable.getAllColumns();	1✔
77	}
78
79	generateEquals(topLevelClass, columns, introspectedTable);	1✔
80	generateHashCode(topLevelClass, columns, introspectedTable);	1✔
81
82	return true;	1✔
83	}
84
85	@Override
86	public boolean modelPrimaryKeyClassGenerated(TopLevelClass topLevelClass,
87	IntrospectedTable introspectedTable) {
88	generateEquals(topLevelClass, introspectedTable.getPrimaryKeyColumns(),	1✔
89	introspectedTable);
90	generateHashCode(topLevelClass, introspectedTable	1✔
91	.getPrimaryKeyColumns(), introspectedTable);	1✔
92
93	return true;	1✔
94	}
95
96	@Override
97	public boolean modelRecordWithBLOBsClassGenerated(
98	TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
99	generateEquals(topLevelClass, introspectedTable.getAllColumns(),	1✔
100	introspectedTable);
101	generateHashCode(topLevelClass, introspectedTable.getAllColumns(),	1✔
102	introspectedTable);
103
104	return true;	1✔
105	}
106
107	/**
108	* Generates an <code>equals</code> method that does a comparison of all fields.
109	*
110	* <p>The generated <code>equals</code> method will be correct unless:
111	*
112	* <ul>
113	* <li>Other fields have been added to the generated classes</li>
114	* <li>A <code>rootClass</code> is specified that holds state</li>
115	* </ul>
116	*
117	* @param topLevelClass
118	* the class to which the method will be added
119	* @param introspectedColumns
120	* column definitions of this class and any superclass of this
121	* class
122	* @param introspectedTable
123	* the table corresponding to this class
124	*/
125	protected void generateEquals(TopLevelClass topLevelClass,
126	List<IntrospectedColumn> introspectedColumns,
127	IntrospectedTable introspectedTable) {
128	Method method = new Method("equals"); //$NON-NLS-1$	1✔
129	method.setVisibility(JavaVisibility.PUBLIC);	1✔
130	method.setReturnType(FullyQualifiedJavaType	1✔
131	.getBooleanPrimitiveInstance());	1✔
132	method.addParameter(new Parameter(FullyQualifiedJavaType	1✔
133	.getObjectInstance(), "that")); //$NON-NLS-1$	1✔
134	method.addAnnotation("@Override"); //$NON-NLS-1$	1✔
135
136	if (introspectedTable.getTargetRuntime() == TargetRuntime.MYBATIS3_DSQL) {	1✔
137	commentGenerator.addGeneralMethodAnnotation(method, introspectedTable, topLevelClass.getImportedTypes());	1✔
138	} else {
139	commentGenerator.addGeneralMethodComment(method, introspectedTable);	1✔
140	}
141
142	method.addBodyLine("if (this == that) {"); //$NON-NLS-1$	1✔
143	method.addBodyLine("return true;"); //$NON-NLS-1$	1✔
144	method.addBodyLine("}"); //$NON-NLS-1$	1✔
145
146	method.addBodyLine("if (that == null) {"); //$NON-NLS-1$	1✔
147	method.addBodyLine("return false;"); //$NON-NLS-1$	1✔
148	method.addBodyLine("}"); //$NON-NLS-1$	1✔
149
150	method.addBodyLine("if (getClass() != that.getClass()) {"); //$NON-NLS-1$	1✔
151	method.addBodyLine("return false;"); //$NON-NLS-1$	1✔
152	method.addBodyLine("}"); //$NON-NLS-1$	1✔
153
154	StringBuilder sb = new StringBuilder();	1✔
155	sb.append(topLevelClass.getType().getShortName());	1✔
156	sb.append(" other = ("); //$NON-NLS-1$	1✔
157	sb.append(topLevelClass.getType().getShortName());	1✔
158	sb.append(") that;"); //$NON-NLS-1$	1✔
159	method.addBodyLine(sb.toString());	1✔
160
161	if (useEqualsHashCodeFromRoot && topLevelClass.getSuperClass().isPresent()) {	1!
162	method.addBodyLine("if (!super.equals(other)) {"); //$NON-NLS-1$	×
163	method.addBodyLine("return false;"); //$NON-NLS-1$	×
164	method.addBodyLine("}"); //$NON-NLS-1$	×
165	}
166
167	boolean first = true;	1✔
168	Iterator<IntrospectedColumn> iter = introspectedColumns.iterator();	1✔
169	while (iter.hasNext()) {	1✔
170	IntrospectedColumn introspectedColumn = iter.next();	1✔
171
172	sb.setLength(0);	1✔
173
174	if (first) {	1✔
175	sb.append("return ("); //$NON-NLS-1$	1✔
176	first = false;	1✔
177	} else {
178	OutputUtilities.javaIndent(sb, 1);	1✔
179	sb.append("&& ("); //$NON-NLS-1$	1✔
180	}
181
182	String getterMethod = getGetterMethodName(	1✔
183	introspectedColumn.getJavaProperty(), introspectedColumn	1✔
184	.getFullyQualifiedJavaType());	1✔
185
186	if (introspectedColumn.getFullyQualifiedJavaType().isPrimitive()) {	1✔
187	sb.append("this."); //$NON-NLS-1$	1✔
188	sb.append(getterMethod);	1✔
189	sb.append("() == "); //$NON-NLS-1$	1✔
190	sb.append("other."); //$NON-NLS-1$	1✔
191	sb.append(getterMethod);	1✔
192	sb.append("())"); //$NON-NLS-1$	1✔
193	} else if (introspectedColumn.getFullyQualifiedJavaType().isArray()) {	1✔
194	topLevelClass.addImportedType("java.util.Arrays"); //$NON-NLS-1$	1✔
195	sb.append("Arrays.equals(this."); //$NON-NLS-1$	1✔
196	sb.append(getterMethod);	1✔
197	sb.append("(), "); //$NON-NLS-1$	1✔
198	sb.append("other."); //$NON-NLS-1$	1✔
199	sb.append(getterMethod);	1✔
200	sb.append("()))"); //$NON-NLS-1$	1✔
201	} else {
202	sb.append("this."); //$NON-NLS-1$	1✔
203	sb.append(getterMethod);	1✔
204	sb.append("() == null ? other."); //$NON-NLS-1$	1✔
205	sb.append(getterMethod);	1✔
206	sb.append("() == null : this."); //$NON-NLS-1$	1✔
207	sb.append(getterMethod);	1✔
208	sb.append("().equals(other."); //$NON-NLS-1$	1✔
209	sb.append(getterMethod);	1✔
210	sb.append("()))"); //$NON-NLS-1$	1✔
211	}
212
213	if (!iter.hasNext()) {	1✔
214	sb.append(';');	1✔
215	}
216
217	method.addBodyLine(sb.toString());	1✔
218	}	1✔
219
220	topLevelClass.addMethod(method);	1✔
221	}	1✔
222
223	/**
224	* Generates a <code>hashCode</code> method that includes all fields.
225	*
226	* <p>Note that this implementation is based on the eclipse foundation hashCode
227	* generator.
228	*
229	* @param topLevelClass
230	* the class to which the method will be added
231	* @param introspectedColumns
232	* column definitions of this class and any superclass of this
233	* class
234	* @param introspectedTable
235	* the table corresponding to this class
236	*/
237	protected void generateHashCode(TopLevelClass topLevelClass,
238	List<IntrospectedColumn> introspectedColumns,
239	IntrospectedTable introspectedTable) {
240	Method method = new Method("hashCode"); //$NON-NLS-1$	1✔
241	method.setVisibility(JavaVisibility.PUBLIC);	1✔
242	method.setReturnType(FullyQualifiedJavaType.getIntInstance());	1✔
243	method.addAnnotation("@Override"); //$NON-NLS-1$	1✔
244
245	if (introspectedTable.getTargetRuntime() == TargetRuntime.MYBATIS3_DSQL) {	1✔
246	commentGenerator.addGeneralMethodAnnotation(method, introspectedTable, topLevelClass.getImportedTypes());	1✔
247	} else {
248	commentGenerator.addGeneralMethodComment(method, introspectedTable);	1✔
249	}
250
251	method.addBodyLine("final int prime = 31;"); //$NON-NLS-1$	1✔
252	method.addBodyLine("int result = 1;"); //$NON-NLS-1$	1✔
253
254	if (useEqualsHashCodeFromRoot && topLevelClass.getSuperClass().isPresent()) {	1!
255	method.addBodyLine("result = prime * result + super.hashCode();"); //$NON-NLS-1$	×
256	}
257
258	StringBuilder sb = new StringBuilder();	1✔
259	boolean hasTemp = false;	1✔
260	for (IntrospectedColumn introspectedColumn : introspectedColumns) {	1✔
261	FullyQualifiedJavaType fqjt = introspectedColumn	1✔
262	.getFullyQualifiedJavaType();	1✔
263
264	String getterMethod = getGetterMethodName(	1✔
265	introspectedColumn.getJavaProperty(), fqjt);	1✔
266
267	sb.setLength(0);	1✔
268	if (fqjt.isPrimitive()) {	1✔
269	if ("boolean".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	1✔
270	sb.append("result = prime * result + ("); //$NON-NLS-1$	1✔
271	sb.append(getterMethod);	1✔
272	sb.append("() ? 1231 : 1237);"); //$NON-NLS-1$	1✔
273	method.addBodyLine(sb.toString());	1✔
274	} else if ("byte".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	1!
275	sb.append("result = prime * result + "); //$NON-NLS-1$	×
276	sb.append(getterMethod);	×
277	sb.append("();"); //$NON-NLS-1$	×
278	method.addBodyLine(sb.toString());	×
279	} else if ("char".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	1!
280	sb.append("result = prime * result + "); //$NON-NLS-1$	×
281	sb.append(getterMethod);	×
282	sb.append("();"); //$NON-NLS-1$	×
283	method.addBodyLine(sb.toString());	×
284	} else if ("double".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	1!
285	if (!hasTemp) {	×
286	method.addBodyLine("long temp;"); //$NON-NLS-1$	×
287	hasTemp = true;	×
288	}
289	sb.append("temp = Double.doubleToLongBits("); //$NON-NLS-1$	×
290	sb.append(getterMethod);	×
291	sb.append("());"); //$NON-NLS-1$	×
292	method.addBodyLine(sb.toString());	×
293	method	×
294	.addBodyLine("result = prime * result + (int) (temp ^ (temp >>> 32));"); //$NON-NLS-1$	×
295	} else if ("float".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	1!
296	sb	×
297	.append("result = prime * result + Float.floatToIntBits("); //$NON-NLS-1$	×
298	sb.append(getterMethod);	×
299	sb.append("());"); //$NON-NLS-1$	×
300	method.addBodyLine(sb.toString());	×
301	} else if ("int".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	1!
302	sb.append("result = prime * result + "); //$NON-NLS-1$	1✔
303	sb.append(getterMethod);	1✔
304	sb.append("();"); //$NON-NLS-1$	1✔
305	method.addBodyLine(sb.toString());	1✔
306	} else if ("long".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	×
307	sb.append("result = prime * result + (int) ("); //$NON-NLS-1$	×
308	sb.append(getterMethod);	×
309	sb.append("() ^ ("); //$NON-NLS-1$	×
310	sb.append(getterMethod);	×
311	sb.append("() >>> 32));"); //$NON-NLS-1$	×
312	method.addBodyLine(sb.toString());	×
313	} else if ("short".equals(fqjt.getFullyQualifiedName())) { //$NON-NLS-1$	×
314	sb.append("result = prime * result + "); //$NON-NLS-1$	×
315	sb.append(getterMethod);	×
316	sb.append("();"); //$NON-NLS-1$	×
317	method.addBodyLine(sb.toString());	×
318	}
319	} else if (fqjt.isArray()) {	1✔
320	// Arrays is already imported by the generateEquals method, we don't need
321	// to do it again
322	sb.append("result = prime * result + (Arrays.hashCode("); //$NON-NLS-1$	1✔
323	sb.append(getterMethod);	1✔
324	sb.append("()));"); //$NON-NLS-1$	1✔
325	method.addBodyLine(sb.toString());	1✔
326	} else {
327	sb.append("result = prime * result + (("); //$NON-NLS-1$	1✔
328	sb.append(getterMethod);	1✔
329	sb.append("() == null) ? 0 : "); //$NON-NLS-1$	1✔
330	sb.append(getterMethod);	1✔
331	sb.append("().hashCode());"); //$NON-NLS-1$	1✔
332	method.addBodyLine(sb.toString());	1✔
333	}
334	}	1✔
335
336	method.addBodyLine("return result;"); //$NON-NLS-1$	1✔
337
338	topLevelClass.addMethod(method);	1✔
339	}	1✔
340	}

mybatis / generator / 1947

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