/*
* Seldon -- open source prediction engine
* =======================================
*
* Copyright 2011-2015 Seldon Technologies Ltd and Rummble Ltd (http://www.seldon.io/)
*
* ********************************************************************************************
*
* 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 io.seldon.db.jdo;
import javax.jdo.PersistenceManager;
import io.seldon.api.APIException;
import org.apache.log4j.Logger;
public class ClientPersistable {
private static Logger logger = Logger.getLogger( ClientPersistable.class.getName() );
protected String clientName;
private PersistenceManager pm;
public ClientPersistable(String clientName)
{
this.clientName = clientName;
this.pm = null;
}
/*
* Lazy get of PM
* @return
*/
public PersistenceManager getPM()
{
if (pm == null)
{
pm = JDOFactory.get().getPersistenceManager(clientName);
if(pm == null) {
throw new APIException(APIException.INTERNAL_DB_ERROR);
}
}
return pm;
}
}