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1   /*
2    *    Copyright 2006-2023 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.codegen.mybatis3.javamapper.elements.sqlprovider;
17  
18  import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getEscapedColumnName;
19  import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getParameterClause;
20  import static org.mybatis.generator.internal.util.JavaBeansUtil.getGetterMethodName;
21  import static org.mybatis.generator.internal.util.StringUtility.escapeStringForJava;
22  
23  import java.util.Set;
24  
25  import org.mybatis.generator.api.IntrospectedColumn;
26  import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
27  import org.mybatis.generator.api.dom.java.JavaVisibility;
28  import org.mybatis.generator.api.dom.java.Method;
29  import org.mybatis.generator.api.dom.java.Parameter;
30  import org.mybatis.generator.api.dom.java.TopLevelClass;
31  import org.mybatis.generator.codegen.mybatis3.ListUtilities;
32  
33  public class ProviderInsertSelectiveMethodGenerator extends AbstractJavaProviderMethodGenerator {
34  
35      @Override
36      public void addClassElements(TopLevelClass topLevelClass) {
37          FullyQualifiedJavaType fqjt = introspectedTable.getRules().calculateAllFieldsClass();
38          Set<FullyQualifiedJavaType> importedTypes = initializeImportedTypes(fqjt);
39  
40          Method method = new Method(introspectedTable.getInsertSelectiveStatementId());
41          method.setVisibility(JavaVisibility.PUBLIC);
42          method.setReturnType(FullyQualifiedJavaType.getStringInstance());
43          method.addParameter(new Parameter(fqjt, "row")); //$NON-NLS-1$
44  
45          context.getCommentGenerator().addGeneralMethodComment(method, introspectedTable);
46  
47          method.addBodyLine("SQL sql = new SQL();"); //$NON-NLS-1$
48  
49          method.addBodyLine(String.format("sql.INSERT_INTO(\"%s\");", //$NON-NLS-1$
50                  escapeStringForJava(introspectedTable.getFullyQualifiedTableNameAtRuntime())));
51  
52          for (IntrospectedColumn introspectedColumn :
53                  ListUtilities.removeIdentityAndGeneratedAlwaysColumns(introspectedTable.getAllColumns())) {
54  
55              method.addBodyLine(""); //$NON-NLS-1$
56              if (!introspectedColumn.getFullyQualifiedJavaType().isPrimitive()
57                      && !introspectedColumn.isSequenceColumn()) {
58                  method.addBodyLine(String.format("if (row.%s() != null) {", //$NON-NLS-1$
59                          getGetterMethodName(introspectedColumn.getJavaProperty(),
60                                  introspectedColumn.getFullyQualifiedJavaType())));
61              }
62              method.addBodyLine(String.format("sql.VALUES(\"%s\", \"%s\");", //$NON-NLS-1$
63                      escapeStringForJava(getEscapedColumnName(introspectedColumn)),
64                      getParameterClause(introspectedColumn)));
65  
66              if (!introspectedColumn.getFullyQualifiedJavaType().isPrimitive()
67                      && !introspectedColumn.isSequenceColumn()) {
68                  method.addBodyLine("}"); //$NON-NLS-1$
69              }
70          }
71  
72          method.addBodyLine(""); //$NON-NLS-1$
73          method.addBodyLine("return sql.toString();"); //$NON-NLS-1$
74  
75          if (context.getPlugins().providerInsertSelectiveMethodGenerated(method, topLevelClass, introspectedTable)) {
76              topLevelClass.addImportedTypes(importedTypes);
77              topLevelClass.addMethod(method);
78          }
79      }
80  }