/*
* 2012-3 Red Hat Inc. and/or its affiliates and other contributors.
*
* 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.overlord.rtgov.common.service;
import java.util.Map;
/**
* This abstract class defines a Cache Manager service for
* use by runtime governance components.
*
*/
public abstract class CacheManager extends Service {
/**
* This method returns the cache associated with the
* supplied name.
*
* @param name The name of the required cache
* @return The cache, or null if not found
*
* @param <K> The key type
* @param <V> The value type
*/
public abstract <K,V> Map<K,V> getCache(String name);
/**
* This method locks the item, associated with the
* supplied key, in the named cache.
*
* @param cacheName The name of the cache
* @param key The key for the item to be locked
* @return Whether the lock could be applied
*/
public abstract boolean lock(String cacheName, Object key);
}