View Javadoc
1   /**
2    *    Copyright 2006-2016 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    *       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 org.mybatis.generator.codegen.mybatis3.model;
17  
18  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansField;
19  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansGetter;
20  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansSetter;
21  import static org.mybatis.generator.internal.util.messages.Messages.getString;
22  
23  import java.util.ArrayList;
24  import java.util.List;
25  
26  import org.mybatis.generator.api.CommentGenerator;
27  import org.mybatis.generator.api.FullyQualifiedTable;
28  import org.mybatis.generator.api.IntrospectedColumn;
29  import org.mybatis.generator.api.Plugin;
30  import org.mybatis.generator.api.dom.java.CompilationUnit;
31  import org.mybatis.generator.api.dom.java.Field;
32  import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
33  import org.mybatis.generator.api.dom.java.JavaVisibility;
34  import org.mybatis.generator.api.dom.java.Method;
35  import org.mybatis.generator.api.dom.java.Parameter;
36  import org.mybatis.generator.api.dom.java.TopLevelClass;
37  import org.mybatis.generator.codegen.AbstractJavaGenerator;
38  import org.mybatis.generator.codegen.RootClassInfo;
39  
40  /**
41   * 
42   * @author Jeff Butler
43   * 
44   */
45  public class SimpleModelGenerator extends AbstractJavaGenerator {
46  
47      public SimpleModelGenerator() {
48          super();
49      }
50  
51      @Override
52      public List<CompilationUnit> getCompilationUnits() {
53          FullyQualifiedTable table = introspectedTable.getFullyQualifiedTable();
54          progressCallback.startTask(getString("Progress.8", table.toString())); //$NON-NLS-1$
55          Plugin plugins = context.getPlugins();
56          CommentGenerator commentGenerator = context.getCommentGenerator();
57  
58          FullyQualifiedJavaType type = new FullyQualifiedJavaType(
59                  introspectedTable.getBaseRecordType());
60          TopLevelClass topLevelClass = new TopLevelClass(type);
61          topLevelClass.setVisibility(JavaVisibility.PUBLIC);
62          commentGenerator.addJavaFileComment(topLevelClass);
63  
64          FullyQualifiedJavaType superClass = getSuperClass();
65          if (superClass != null) {
66              topLevelClass.setSuperClass(superClass);
67              topLevelClass.addImportedType(superClass);
68          }
69  
70          commentGenerator.addModelClassComment(topLevelClass, introspectedTable);
71          
72          List<IntrospectedColumn> introspectedColumns = introspectedTable.getAllColumns();
73  
74          if (introspectedTable.isConstructorBased()) {
75              addParameterizedConstructor(topLevelClass);
76  
77              if (!introspectedTable.isImmutable()) {
78                  addDefaultConstructor(topLevelClass);
79              }
80          }
81  
82          String rootClass = getRootClass();
83          for (IntrospectedColumn introspectedColumn : introspectedColumns) {
84              if (RootClassInfo.getInstance(rootClass, warnings)
85                      .containsProperty(introspectedColumn)) {
86                  continue;
87              }
88  
89              Field field = getJavaBeansField(introspectedColumn, context, introspectedTable);
90              if (plugins.modelFieldGenerated(field, topLevelClass,
91                      introspectedColumn, introspectedTable,
92                      Plugin.ModelClassType.BASE_RECORD)) {
93                  topLevelClass.addField(field);
94                  topLevelClass.addImportedType(field.getType());
95              }
96  
97              Method method = getJavaBeansGetter(introspectedColumn, context, introspectedTable);
98              if (plugins.modelGetterMethodGenerated(method, topLevelClass,
99                      introspectedColumn, introspectedTable,
100                     Plugin.ModelClassType.BASE_RECORD)) {
101                 topLevelClass.addMethod(method);
102             }
103 
104             if (!introspectedTable.isImmutable()) {
105                 method = getJavaBeansSetter(introspectedColumn, context, introspectedTable);
106                 if (plugins.modelSetterMethodGenerated(method, topLevelClass,
107                         introspectedColumn, introspectedTable,
108                         Plugin.ModelClassType.BASE_RECORD)) {
109                     topLevelClass.addMethod(method);
110                 }
111             }
112         }
113 
114         List<CompilationUnit> answer = new ArrayList<CompilationUnit>();
115         if (context.getPlugins().modelBaseRecordClassGenerated(topLevelClass,
116                 introspectedTable)) {
117             answer.add(topLevelClass);
118         }
119         return answer;
120     }
121 
122     private FullyQualifiedJavaType getSuperClass() {
123         FullyQualifiedJavaType superClass;
124         String rootClass = getRootClass();
125         if (rootClass != null) {
126             superClass = new FullyQualifiedJavaType(rootClass);
127         } else {
128             superClass = null;
129         }
130 
131         return superClass;
132     }
133 
134     private void addParameterizedConstructor(TopLevelClass topLevelClass) {
135         Method method = new Method();
136         method.setVisibility(JavaVisibility.PUBLIC);
137         method.setConstructor(true);
138         method.setName(topLevelClass.getType().getShortName());
139         context.getCommentGenerator().addGeneralMethodComment(method,
140                 introspectedTable);
141 
142         List<IntrospectedColumn> constructorColumns = introspectedTable
143                 .getAllColumns();
144 
145         for (IntrospectedColumn introspectedColumn : constructorColumns) {
146             method.addParameter(new Parameter(introspectedColumn
147                     .getFullyQualifiedJavaType(), introspectedColumn
148                     .getJavaProperty()));
149         }
150 
151         StringBuilder sb = new StringBuilder();
152         if (introspectedTable.getRules().generatePrimaryKeyClass()) {
153             boolean comma = false;
154             sb.append("super("); //$NON-NLS-1$
155             for (IntrospectedColumn introspectedColumn : introspectedTable
156                     .getPrimaryKeyColumns()) {
157                 if (comma) {
158                     sb.append(", "); //$NON-NLS-1$
159                 } else {
160                     comma = true;
161                 }
162                 sb.append(introspectedColumn.getJavaProperty());
163             }
164             sb.append(");"); //$NON-NLS-1$
165             method.addBodyLine(sb.toString());
166         }
167 
168         List<IntrospectedColumn> introspectedColumns = introspectedTable.getAllColumns();
169 
170         for (IntrospectedColumn introspectedColumn : introspectedColumns) {
171             sb.setLength(0);
172             sb.append("this."); //$NON-NLS-1$
173             sb.append(introspectedColumn.getJavaProperty());
174             sb.append(" = "); //$NON-NLS-1$
175             sb.append(introspectedColumn.getJavaProperty());
176             sb.append(';');
177             method.addBodyLine(sb.toString());
178         }
179 
180         topLevelClass.addMethod(method);
181     }
182 }