/*
* 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.db;
import java.util.List;
import javax.persistence.Query;
import org.eurekastreams.server.persistence.mappers.BaseDomainMapper;
import org.eurekastreams.server.persistence.mappers.DomainMapper;
/**
* Get all the activities.
*
*/
public class GetEveryoneActivityDbMapper extends BaseDomainMapper implements DomainMapper<Long, List<Long>>
{
/**
* Maximum number of items for the activity id lists.
*/
private static final int MAX_RESULTS = 10000;
/**
* Get the activity ids for all people.
*
* @param inRequest
* ignored
* @return the most recent MAX_RESULTS activity ids
*/
@Override
public List<Long> execute(final Long inRequest)
{
String idsQueryString = "select id FROM Activity WHERE showInStream = :showInStreamFlag ORDER BY id DESC";
Query idsQuery = getEntityManager().createQuery(idsQueryString).setParameter("showInStreamFlag", true);
idsQuery.setMaxResults(MAX_RESULTS);
return idsQuery.getResultList();
}
}