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.shared.context.flash; 20 21 import java.io.Serializable; 22 23 /** 24 * This class is a wrapper used to deal with concurrency issues when accessing the inner LRUMap. 25 */ 26 class FlashClientWindowTokenCollection implements Serializable 27 { 28 private ClientWindowFlashTokenLRUMap map; 29 30 public FlashClientWindowTokenCollection(ClientWindowFlashTokenLRUMap map) 31 { 32 this.map = map; 33 } 34 35 public FlashClientWindowTokenCollection() 36 { 37 } 38 39 public synchronized void put(String key, String value) 40 { 41 map.put(key, value); 42 } 43 44 public synchronized String get(String key) 45 { 46 return map.get(key); 47 } 48 49 public synchronized void remove(String key) 50 { 51 map.remove(key); 52 } 53 54 public synchronized boolean isEmpty() 55 { 56 return map.isEmpty(); 57 } 58 }