/*
* Copyright 2009 Google Inc.
*
* 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.gtugs.repository;
import org.gtugs.domain.Location;
import org.springframework.orm.jdo.support.JdoDaoSupport;
import org.springframework.stereotype.Repository;
import java.util.List;
import javax.jdo.JDOObjectNotFoundException;
import javax.jdo.PersistenceManager;
import javax.jdo.Query;
/**
* @author jasonacooper@google.com (Jason Cooper)
*/
@Repository
public class JdoLocationDao extends JdoDaoSupport {
public JdoLocationDao() {
super();
setPersistenceManagerFactory(PMF.get());
}
@SuppressWarnings("unchecked")
public void incrementOrStoreLocation(Double latitude,
Double longitude) {
PersistenceManager pm = getPersistenceManager();
String key = latitude + ";" + longitude;
Location location = null;
try {
location = pm.getObjectById(Location.class, key);
if (location != null) {
location.setOccurrences(location.getOccurrences() + 1);
pm.makePersistent(location);
}
} catch (JDOObjectNotFoundException e) {
location = new Location(key, latitude, longitude);
pm.makePersistent(location);
} finally {
pm.close();
}
}
public List<Location> getLocations() {
PersistenceManager pm = getPersistenceManager();
Query query = pm.newQuery(Location.class);
try {
List<Location> results = (List<Location>) query.execute();
if (results != null && results.size() > 0) {
return (List<Location>) pm.detachCopyAll(results);
}
} finally {
query.closeAll();
pm.close();
}
return null;
}
}