/*
* Copyright (c) 2010 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.server.action.execution.stream;
import org.eurekastreams.commons.actions.ExecutionStrategy;
import org.eurekastreams.commons.actions.context.ActionContext;
import org.eurekastreams.server.action.request.stream.DeleteIdsFromListsRequest;
import org.eurekastreams.server.persistence.mappers.cache.RemoveIdsFromLists;
/**
* This is the execution strategy for the action that will remove a given list of ids from a given list of cache
* keys that point to list of ids.
*/
public class DeleteIdsFromListsExecution implements ExecutionStrategy<ActionContext>
{
/**
* Mapper that will remove ids from cached lists.
*/
private RemoveIdsFromLists deleteMapper;
/**
* Constructor.
*
* @param inDeleteMapper
* the delete mapper.
*/
public DeleteIdsFromListsExecution(final RemoveIdsFromLists inDeleteMapper)
{
deleteMapper = inDeleteMapper;
}
/**
* Execute the cache mapper to remove the necessary ids from the necessary lists.
*
* @param inActionContext
* {@link ActionContext}.
* @return true.
*/
@Override
public Boolean execute(final ActionContext inActionContext)
{
deleteMapper.execute((DeleteIdsFromListsRequest) inActionContext.getParams());
return Boolean.TRUE;
}
}