/*
* Copyright (c) 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.server.action.execution.stream;
import java.util.List;
/**
* Interface for classes to trim lists.
*/
public interface ListTrimmer
{
/**
* Trim the list.
*
* @param ids
* List of items to be considered.
* @param userPersonId
* Person to receive the items.
* @return Trimmed list of items. May be the input list or a new list.
*/
List<Long> trim(final List<Long> ids, final Long userPersonId);
}