/*
* Copyright 2009 The Apache Software Foundation
*
* 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 org.mybatis.generator.codegen.mybatis3.xmlmapper.elements;
import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.TextElement;
import org.mybatis.generator.api.dom.xml.XmlElement;
import org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities;
/**
*
* @author Jeff Butler
*
*/
public class DeleteByPrimaryKeyElementGenerator extends
AbstractXmlElementGenerator {
public DeleteByPrimaryKeyElementGenerator() {
super();
}
@Override
public void addElements(XmlElement parentElement) {
XmlElement answer = new XmlElement("delete"); //$NON-NLS-1$
answer.addAttribute(new Attribute(
"id", introspectedTable.getDeleteByPrimaryKeyStatementId())); //$NON-NLS-1$
String parameterClass;
if (introspectedTable.getRules().generatePrimaryKeyClass()) {
parameterClass = introspectedTable.getPrimaryKeyType();
} else {
// PK fields are in the base class. If more than on PK
// field, then they are coming in a map.
if (introspectedTable.getPrimaryKeyColumns().size() > 1) {
parameterClass = "map"; //$NON-NLS-1$
} else {
parameterClass = introspectedTable.getPrimaryKeyColumns()
.get(0).getFullyQualifiedJavaType().toString();
}
}
answer.addAttribute(new Attribute("parameterType", //$NON-NLS-1$
parameterClass));
context.getCommentGenerator().addComment(answer);
StringBuilder sb = new StringBuilder();
sb.append("delete from "); //$NON-NLS-1$
sb.append(introspectedTable.getFullyQualifiedTableNameAtRuntime());
answer.addElement(new TextElement(sb.toString()));
boolean and = false;
for (IntrospectedColumn introspectedColumn : introspectedTable
.getPrimaryKeyColumns()) {
sb.setLength(0);
if (and) {
sb.append(" and "); //$NON-NLS-1$
} else {
sb.append("where "); //$NON-NLS-1$
and = true;
}
sb.append(MyBatis3FormattingUtilities
.getEscapedColumnName(introspectedColumn));
sb.append(" = "); //$NON-NLS-1$
sb.append(MyBatis3FormattingUtilities
.getParameterClause(introspectedColumn));
answer.addElement(new TextElement(sb.toString()));
}
if (context.getPlugins()
.sqlMapDeleteByPrimaryKeyElementGenerated(answer,
introspectedTable)) {
parentElement.addElement(answer);
}
}
}