/*
* Copyright 2004-2012 the original author or authors.
*
* Licensed 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.springframework.webflow.core.collection;
import org.springframework.binding.collection.SharedMap;
/**
* An attribute map that exposes a mutex that application code can synchronize on. This class wraps another shared map
* in an attribute map.
* <p>
* The mutex can be used to serialize concurrent access to the shared map's contents by multiple threads.
*
* @author Keith Donald
*/
public class LocalSharedAttributeMap<V> extends LocalAttributeMap<V> implements SharedAttributeMap<V> {
/**
* Creates a new shared attribute map.
* @param sharedMap the shared map
*/
public LocalSharedAttributeMap(SharedMap<String, V> sharedMap) {
super(sharedMap);
}
public Object getMutex() {
return getSharedMap().getMutex();
}
/**
* Returns the wrapped shared map.
*/
protected SharedMap<String, V> getSharedMap() {
return (SharedMap<String, V>) getMapInternal();
}
}