GetFeedSubscriptionsByEntity.java

/*
 * Copyright (c) 2009-2010 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 org.eurekastreams.server.domain.stream.plugins.FeedSubscriber;
import org.eurekastreams.server.persistence.mappers.ReadMapper;
import org.eurekastreams.server.persistence.mappers.requests.GetFeedSubscriberRequest;

/**
 * Get me all the feed subs for an entity.
 *
 */
public class GetFeedSubscriptionsByEntity extends ReadMapper<GetFeedSubscriberRequest, List<FeedSubscriber>>
{
    /**
     * Execute.
     * @param inRequest the request.
     * @return the Feed.
     */
    @SuppressWarnings("unchecked")
    @Override
    public List<FeedSubscriber> execute(final GetFeedSubscriberRequest inRequest)
    {
        String query = "FROM FeedSubscriber WHERE entityId=:entityId AND type = :type";

        return getEntityManager().createQuery(query)
        		.setParameter("entityId", inRequest.getEntityId())
                .setParameter("type", inRequest.getEntityType()).getResultList();
    }
}