/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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.guvnor.common.services.backend.cache;
/**
* Define operations of a cache
*/
public interface Cache<K, V> {
/**
* Retrieve the cache entry for the specified key.
* @param key The cache entry key
* @return V The cache entry
*/
V getEntry( final K key );
/**
* Set the cache entry for the specified path.
* @param key The cache entry key
* @param value The cache entry
*/
void setEntry( final K key,
final V value );
/**
* Invalidate the entire cache
*/
void invalidateCache();
/**
* Invalidate the cache for a specific key.
* @param key The cache entry key
*/
void invalidateCache( final K key );
}