001 package org.apache.myfaces.tobago.context;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one or more
005 * contributor license agreements. See the NOTICE file distributed with
006 * this work for additional information regarding copyright ownership.
007 * The ASF licenses this file to You under the Apache License, Version 2.0
008 * (the "License"); you may not use this file except in compliance with
009 * the License. You may obtain a copy of the License at
010 *
011 * http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019
020
021 import javax.faces.component.StateHolder;
022 import javax.faces.context.FacesContext;
023 import java.io.Serializable;
024
025 /*
026 * Date: May 3, 2007
027 * Time: 5:44:04 PM
028 */
029 public class TransientStateHolder implements StateHolder, Serializable {
030
031 private static final long serialVersionUID = -5260593843885016768L;
032
033 private transient Object object;
034
035 public TransientStateHolder() {
036 }
037
038 public TransientStateHolder(Object object) {
039 this.object = object;
040 }
041
042 public Object saveState(FacesContext context) {
043 // do nothing
044 return null;
045 }
046
047 public void put(Object object) {
048 this.object = object;
049 }
050
051 public boolean isEmpty() {
052 return object == null;
053 }
054
055 public Object get() {
056 return object;
057 }
058
059 public void restoreState(FacesContext context, Object state) {
060 // do nothing
061 }
062
063 public boolean isTransient() {
064 return true;
065 }
066
067 public void setTransient(boolean newTransientValue) {
068 // do nothing
069 }
070
071 }