/*
* 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.server.persistence.mappers.db;
import java.util.List;
import org.eurekastreams.server.domain.dto.FeaturedStreamDTO;
import org.eurekastreams.server.persistence.mappers.BaseArgDomainMapper;
import org.eurekastreams.server.persistence.mappers.requests.MapperRequest;
/**
* DB mapper for getting {@link FeaturedStreamDTO}s. NOTE these are not full {@link FeaturedStreamDTO}s, just the
* cachable version excluding per-request info such as following status and dynamic info like avatar id.
*
*/
public class GetFeaturedStreamDTOsDbMapper extends BaseArgDomainMapper<MapperRequest, List<FeaturedStreamDTO>>
{
/**
* Return list of {@link FeaturedStreamDTO}s.
*
* @param inRequest
* ignored.
* @return {@link FeaturedStreamDTO}s from DB, ordered by date desc.
*/
@Override
public List<FeaturedStreamDTO> execute(final MapperRequest inRequest)
{
String q = "SELECT NEW org.eurekastreams.server.domain.dto.FeaturedStreamDTO "
+ "(id, description, streamScope.id, streamScope.scopeType, "
+ "streamScope.uniqueKey, streamScope.destinationEntityId) "
+ "FROM FeaturedStream ORDER BY created DESC";
return getEntityManager().createQuery(q).getResultList();
}
}