FeedDaoImpl.java

/*
 *  Copyright 2012 Eric F. Savage, code@efsavage.com
 *
 *   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 com.ajah.syndicate.data;

import org.springframework.stereotype.Repository;

import com.ajah.spring.jdbc.AbstractAjahDao;
import com.ajah.spring.jdbc.criteria.Criteria;
import com.ajah.spring.jdbc.criteria.Order;
import com.ajah.spring.jdbc.err.DataOperationException;
import com.ajah.syndicate.Feed;
import com.ajah.syndicate.FeedId;
import com.ajah.syndicate.FeedSource;

/**
 * Dao for {@link Feed}s.
 * 
 * @author <a href="http://efsavage.com">Eric F. Savage</a>, <a
 *         href="mailto:code@efsavage.com">code@efsavage.com</a>.
 * 
 */
@Repository
public class FeedDaoImpl extends AbstractAjahDao<FeedId, Feed, Feed> implements FeedDao {

	/**
	 * {@inheritDoc}
	 */
	@Override
	public Feed getLatestFeed(final FeedSource feedSource) throws DataOperationException {
		return find(new Criteria().eq("feed_source_id", feedSource).orderBy("created", Order.DESC));
	}

}