/*
* Copyright (c) 2010-2011 Lockheed Martin Corporation
*
* 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.eurekastreams.web.client.model;
import java.io.Serializable;
/**
* Models that are fetchable.
*
* @param <RQ>
* Type of request made by the application to the model.
* @param <RS>
* Type of response returned from the model.
*/
public interface CacheFetchable<RQ extends Serializable, RS extends Serializable>
{
/**
* Synchronously returns the cached value for a given request (if
* available).
*
* @param request
* request.
* @return The cached response if available, else null.
*/
RS fetchFromCache(RQ request);
}