/*
* 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.persistence.mappers.chained;
import java.util.List;
import org.eurekastreams.server.service.actions.strategies.activity.ListCollider;
/**
* Adapts a ListCollider to be used as a ResultsCombinerStrategy.
*/
public class ListColliderAdapter implements ResultsCombinerStrategy<Object, List<Long>>
{
/**
* The collider.
*/
private ListCollider collider = null;
/**
* The max number of results.
*/
private int maxResults = 0;
/**
* Constructor.
*
* @param inCollider
* collider.
* @param inMaxResults
* max results.
*/
public ListColliderAdapter(final ListCollider inCollider, final int inMaxResults)
{
collider = inCollider;
maxResults = inMaxResults;
}
/**
* Combine two lists.
*
* @param response1
* the first list.
* @param response2
* the second list.
* @param request
* original request.
* @return the combined list.
*/
public List<Long> combine(final PartialMapperResponse<Object, List<Long>> response1, final List<Long> response2,
final Object request)
{
return collider.collide(response1.getResponse(), response2, maxResults);
}
}