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Public API for the Apache MyFaces Trinidad project

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.myfaces.trinidad.bean;

import java.util.Map;
import javax.faces.context.FacesContext;


// TODO Make "stateHolder" a generic property of all PropertyMaps?
//     If so, tweak StateUtils accordingly
public interface PropertyMap extends Map
{
  public void markInitialState();
  
  /** 
   * @return true if delta state changes are being tracked, otherwise false
   */
  public boolean initialStateMarked();

  /** 
   * Reset to a non-delta tracking state.
   */
  public void clearInitialState();     
  public Object saveState(FacesContext context);
  public void restoreState(FacesContext context, FacesBean.Type type, Object state);
}