/*
* 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.HashSet;
import java.util.List;
import java.util.Set;
import org.eurekastreams.commons.hibernate.ModelViewResultTransformer;
import org.eurekastreams.server.domain.TutorialVideo;
import org.eurekastreams.server.domain.TutorialVideoDTO;
import org.eurekastreams.server.persistence.mappers.BaseArgDomainMapper;
import org.eurekastreams.server.service.actions.strategies.TutorialVideoDTOFactory;
import org.hibernate.Criteria;
import org.hibernate.criterion.ProjectionList;
import org.hibernate.criterion.Projections;
/**
* Gets set of tutorial videos dtos from the database.
*
*/
public class GetTutorialVideosDbMapper extends BaseArgDomainMapper<Long, Set<TutorialVideoDTO>>
{
/**
* Gets set of tutorial videos dtos from the database.
*
* @param inRequest
* value is not used.
* @return The set of {@link TutorialVideoDTO}s from db.
*/
@SuppressWarnings("unchecked")
@Override
public Set<TutorialVideoDTO> execute(final Long inRequest)
{
Criteria criteria = getHibernateSession().createCriteria(TutorialVideo.class);
ProjectionList fields = Projections.projectionList();
fields.add(getColumn("id"));
fields.add(getColumn("page"));
fields.add(getColumn("dialogTitle"));
fields.add(getColumn("innerContentTitle"));
fields.add(getColumn("innerContent"));
fields.add(getColumn("videoUrl"));
fields.add(getColumn("videoWidth"));
fields.add(getColumn("videoHeight"));
criteria.setProjection(fields);
ModelViewResultTransformer<TutorialVideoDTO> resultTransformer = //
new ModelViewResultTransformer<TutorialVideoDTO>(new TutorialVideoDTOFactory());
criteria.setResultTransformer(resultTransformer);
List<TutorialVideoDTO> tutorialVideoSet = criteria.list();
return new HashSet<TutorialVideoDTO>(tutorialVideoSet);
}
}