/*

  * 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.view.facelets.pool.impl;

 import java.lang.ref.SoftReference;

 import javax.faces.component.UIViewRoot;

 import org.apache.myfaces.view.facelets.pool.RestoreViewFromPoolResult;

 import org.apache.myfaces.view.facelets.pool.ViewEntry;

 /**

  *

  * @author Leonardo Uribe

  */

 public class SoftViewEntry extends ViewEntry

 {

     private SoftReference<UIViewRoot> viewRootRef;

     private UIViewRoot viewRoot;

     private RestoreViewFromPoolResult result;

     public SoftViewEntry(UIViewRoot viewRoot)

     {

         this.viewRootRef = new SoftReference<UIViewRoot>(viewRoot);

     }

     public boolean activate()

     {

         viewRoot = viewRootRef.get();

         viewRootRef = null;

         return viewRoot != null;

     }

     /**

      * @return the viewRoot

      */

     public UIViewRoot getViewRoot()

     {

         if (viewRootRef != null)

         {

             return viewRootRef.get();

         }

         return viewRoot;

     }

     /**

      * @param viewRoot the viewRoot to set

      */

     public void setViewRoot(UIViewRoot viewRoot)

     {

         this.viewRootRef = new SoftReference<UIViewRoot>(viewRoot);

         this.viewRoot = null;

     }

     /**

      * @return the result

      */

     public RestoreViewFromPoolResult getResult()

     {

         return result;

     }

     /**

      * @param result the result to set

      */

     public void setResult(RestoreViewFromPoolResult result)

     {

         this.result = result;

     }

 }