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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.ibatis2.sqlmap.elements;
17  
18  import org.mybatis.generator.api.IntrospectedColumn;
19  import org.mybatis.generator.api.dom.xml.Attribute;
20  import org.mybatis.generator.api.dom.xml.TextElement;
21  import org.mybatis.generator.api.dom.xml.XmlElement;
22  import org.mybatis.generator.codegen.ibatis2.Ibatis2FormattingUtilities;
23  
24  /**
25   * 
26   * @author Jeff Butler
27   * 
28   */
29  public class UpdateByExampleSelectiveElementGenerator extends
30          AbstractXmlElementGenerator {
31  
32      public UpdateByExampleSelectiveElementGenerator() {
33          super();
34      }
35  
36      @Override
37      public void addElements(XmlElement parentElement) {
38          XmlElement answer = new XmlElement("update"); //$NON-NLS-1$
39  
40          answer
41                  .addAttribute(new Attribute(
42                          "id", introspectedTable.getUpdateByExampleSelectiveStatementId())); //$NON-NLS-1$
43  
44          context.getCommentGenerator().addComment(answer);
45  
46          StringBuilder sb = new StringBuilder();
47  
48          sb.append("update "); //$NON-NLS-1$
49          sb.append(introspectedTable
50                  .getAliasedFullyQualifiedTableNameAtRuntime());
51          answer.addElement(new TextElement(sb.toString()));
52  
53          XmlElement dynamicElement = new XmlElement("dynamic"); //$NON-NLS-1$
54          dynamicElement.addAttribute(new Attribute("prepend", "set")); //$NON-NLS-1$ //$NON-NLS-2$
55          answer.addElement(dynamicElement);
56  
57          for (IntrospectedColumn introspectedColumn : introspectedTable
58                  .getAllColumns()) {
59              XmlElement isNotNullElement = new XmlElement("isNotNull"); //$NON-NLS-1$
60              isNotNullElement.addAttribute(new Attribute("prepend", ",")); //$NON-NLS-1$ //$NON-NLS-2$
61              isNotNullElement.addAttribute(new Attribute(
62                      "property", introspectedColumn.getJavaProperty("record."))); //$NON-NLS-1$ //$NON-NLS-2$
63              dynamicElement.addElement(isNotNullElement);
64  
65              sb.setLength(0);
66              sb.append(Ibatis2FormattingUtilities
67                      .getAliasedEscapedColumnName(introspectedColumn));
68              sb.append(" = "); //$NON-NLS-1$
69              sb.append(Ibatis2FormattingUtilities.getParameterClause(
70                      introspectedColumn, "record.")); //$NON-NLS-1$
71  
72              isNotNullElement.addElement(new TextElement(sb.toString()));
73          }
74  
75          XmlElement isParameterPresentElement = new XmlElement(
76                  "isParameterPresent"); //$NON-NLS-1$
77          answer.addElement(isParameterPresentElement);
78  
79          XmlElement includeElement = new XmlElement("include"); //$NON-NLS-1$
80          includeElement.addAttribute(new Attribute("refid", //$NON-NLS-1$
81                  introspectedTable.getIbatis2SqlMapNamespace()
82                          + "." + introspectedTable.getExampleWhereClauseId())); //$NON-NLS-1$
83          isParameterPresentElement.addElement(includeElement);
84  
85          if (context.getPlugins()
86                  .sqlMapUpdateByExampleSelectiveElementGenerated(answer,
87                          introspectedTable)) {
88              parentElement.addElement(answer);
89          }
90      }
91  }