1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.view.facelets.pool.impl;
20
21 import java.lang.ref.WeakReference;
22 import javax.faces.component.UIViewRoot;
23 import org.apache.myfaces.view.facelets.pool.RestoreViewFromPoolResult;
24 import org.apache.myfaces.view.facelets.pool.ViewEntry;
25
26 /**
27 *
28 * @author Leonardo Uribe
29 */
30 public class WeakViewEntry extends ViewEntry
31 {
32 private WeakReference<UIViewRoot> viewRootRef;
33
34 private UIViewRoot viewRoot;
35
36 private RestoreViewFromPoolResult result;
37
38 public WeakViewEntry(UIViewRoot viewRoot)
39 {
40 this.viewRootRef = new WeakReference<UIViewRoot>(viewRoot);
41 }
42
43 public boolean activate()
44 {
45 viewRoot = viewRootRef.get();
46 viewRootRef = null;
47 return viewRoot != null;
48 }
49
50 /**
51 * @return the viewRoot
52 */
53 public UIViewRoot getViewRoot()
54 {
55 if (viewRootRef != null)
56 {
57 return viewRootRef.get();
58 }
59 return viewRoot;
60 }
61
62 /**
63 * @param viewRoot the viewRoot to set
64 */
65 public void setViewRoot(UIViewRoot viewRoot)
66 {
67 this.viewRootRef = new WeakReference<UIViewRoot>(viewRoot);
68 this.viewRoot = null;
69 }
70
71 /**
72 * @return the result
73 */
74 public RestoreViewFromPoolResult getResult()
75 {
76 return result;
77 }
78
79 /**
80 * @param result the result to set
81 */
82 public void setResult(RestoreViewFromPoolResult result)
83 {
84 this.result = result;
85 }
86 }