/*
* Copyright 2002-2007 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.core;
import java.util.Map;
/**
* Common interface for a concurrent Map, as exposed by
* {@link CollectionFactory#createConcurrentMap}. Mirrors
* {@link java.util.concurrent.ConcurrentMap}, allowing to be backed by a
* JDK ConcurrentHashMap as well as a backport-concurrent ConcurrentHashMap.
*
* <p>Check out the {@link java.util.concurrent.ConcurrentMap ConcurrentMap javadoc}
* for details on the interface's methods.
*
* @author Juergen Hoeller
* @since 2.5
*/
public interface ConcurrentMap extends Map {
Object putIfAbsent(Object key, Object value);
boolean remove(Object key, Object value);
boolean replace(Object key, Object oldValue, Object newValue);
Object replace(Object key, Object value);
}