Package org.mybatis.generator.codegen.ibatis2.sqlmap.elements

Source Code of org.mybatis.generator.codegen.ibatis2.sqlmap.elements.InsertSelectiveElementGenerator

/*
*  Copyright 2008 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.ibatis2.sqlmap.elements;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
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.ibatis2.Ibatis2FormattingUtilities;
import org.mybatis.generator.config.GeneratedKey;

/**
*
* @author Jeff Butler
*
*/
public class InsertSelectiveElementGenerator extends AbstractXmlElementGenerator {

  public InsertSelectiveElementGenerator() {
    super();
  }

  @Override
  public void addElements(XmlElement parentElement) {
    XmlElement answer = new XmlElement("insert"); //$NON-NLS-1$

    answer.addAttribute(new Attribute("id", introspectedTable.getInsertSelectiveStatementId())); //$NON-NLS-1$

    FullyQualifiedJavaType parameterType = introspectedTable.getRules().calculateAllFieldsClass();

    answer.addAttribute(new Attribute("parameterClass", //$NON-NLS-1$
        parameterType.getFullyQualifiedName()));

    context.getCommentGenerator().addComment(answer);

    GeneratedKey gk = introspectedTable.getGeneratedKey();

    if (gk != null && gk.isPlacedBeforeInsertInIbatis2()) {
      IntrospectedColumn introspectedColumn = introspectedTable.getColumn(gk.getColumn());
      // if the column is null, then it's a configuration error. The
      // warning has already been reported
      if (introspectedColumn != null) {
        // pre-generated key
        answer.addElement(getSelectKey(introspectedColumn, gk));
      }
    }

    StringBuilder sb = new StringBuilder();

    sb.append("insert into "); //$NON-NLS-1$
    sb.append(introspectedTable.getFullyQualifiedTableNameAtRuntime());
    answer.addElement(new TextElement(sb.toString()));

    XmlElement insertElement = new XmlElement("dynamic"); //$NON-NLS-1$
    insertElement.addAttribute(new Attribute("prepend", "(")); //$NON-NLS-1$ //$NON-NLS-2$
    answer.addElement(insertElement);

    answer.addElement(new TextElement("values")); //$NON-NLS-1$

    XmlElement valuesElement = new XmlElement("dynamic"); //$NON-NLS-1$
    valuesElement.addAttribute(new Attribute("prepend", "(")); //$NON-NLS-1$ //$NON-NLS-2$
    answer.addElement(valuesElement);

    for (IntrospectedColumn introspectedColumn : introspectedTable.getAllColumns()) {
      if (introspectedColumn.isIdentity()) {
        // cannot set values on identity fields
        continue;
      }

      XmlElement insertNotNullElement = new XmlElement("isNotNull"); //$NON-NLS-1$
      insertNotNullElement.addAttribute(new Attribute("prepend", ",")); //$NON-NLS-1$ //$NON-NLS-2$
      insertNotNullElement.addAttribute(new Attribute("property", introspectedColumn.getJavaProperty())); //$NON-NLS-1$
      insertNotNullElement.addElement(new TextElement(Ibatis2FormattingUtilities
          .getEscapedColumnName(introspectedColumn)));
      insertElement.addElement(insertNotNullElement);

      XmlElement valuesNotNullElement = new XmlElement("isNotNull"); //$NON-NLS-1$
      valuesNotNullElement.addAttribute(new Attribute("prepend", ",")); //$NON-NLS-1$ //$NON-NLS-2$
      valuesNotNullElement.addAttribute(new Attribute("property", introspectedColumn.getJavaProperty())); //$NON-NLS-1$
      valuesNotNullElement.addElement(new TextElement(Ibatis2FormattingUtilities
          .getParameterClause(introspectedColumn)));
      valuesElement.addElement(valuesNotNullElement);
    }

    insertElement.addElement(new TextElement(")")); //$NON-NLS-1$
    valuesElement.addElement(new TextElement(")")); //$NON-NLS-1$

    if (gk != null && !gk.isPlacedBeforeInsertInIbatis2()) {
      IntrospectedColumn introspectedColumn = introspectedTable.getColumn(gk.getColumn());
      // if the column is null, then it's a configuration error. The
      // warning has already been reported
      if (introspectedColumn != null) {
        // pre-generated key
        answer.addElement(getSelectKey(introspectedColumn, gk));
      }
    }

    if (context.getPlugins().sqlMapInsertSelectiveElementGenerated(answer, introspectedTable)) {
      parentElement.addElement(answer);
    }
  }
}
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