content: /*
   * Copyright 2012 Atteo.
   *
   * 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.flashtool.xmlcombiner;
  
  /**
   * Controls the behavior of merging child elements.
   */
  public enum CombineChildren {
  	/**
  	 * Merge subelements from both elements.
  	 *
  	 * <p>
  	 * This is the default.
  	 * Those subelements which can be uniquely paired between two documents using the key (tag+selected attributes)
  	 * will be merged, those that cannot be paired will be appended.<br/>
  	 * Example:<br/>
  	 * First:
  	 * <pre>
  	 * {@code
  	 *  <config>
  	 *     <service id="1">
  	 *         <parameter>parameter</parameter>
  	 *     </service>
  	 *  </config>
  	 * }
  	 * </pre>
  	 * Second:
  	 * <pre>
  	 * {@code
  	 *  <config>
  	 *     <service id="1"/>
  	 *         <parameter>other value</parameter>
  	 *     </service>
  	 *  </config>
  	 * }
  	 * </pre>
  	 * Result:
  	 * <pre>
  	 * {@code
  	 *  <config>
  	 *     <service id="1"/>
  	 *         <parameter>other value</parameter>
  	 *     </service>
  	 *  </config>
  	 * }
  	 * </pre>
  	 * </p>
  	 */
  	MERGE,
  
  	/**
  	 * Always append child elements from both recessive and dominant elements.
  	 *
  	 * <p>
  	 * Example:<br/>
  	 * First:
  	 * <pre>
  	 * {@code
  	 * <config>
  	 *     <service id="1" combine.children="append">
  	 *         <parameter>parameter</parameter>
  	 *     </service>
  	 *  </config>
  	 * }
  	 * </pre>
  	 * Second:
  	 * <pre>
  	 * {@code
  	 * <config>
  	 *     <service id="1">
  	 *         <parameter>parameter</parameter>
  	 *     </service>
  	 *  </config>
  	 * }
  	 * </pre>
  	 * Result:
  	 * <pre>
  	 * {@code
  	 * <config>
  	 *     <service id="1" combine.children="append">
  	 *         <parameter>parameter</parameter>
  	 *         <parameter>parameter</parameter>
  	 *     </service>
  	 *  </config>
  	 * }
  	 * </pre>
  	 * </p>
  	 */
  	APPEND;
  
  	public static final String ATTRIBUTE_NAME = "combine.children";
  }
  