/**********************************************************************
Copyright (c) 2009 Andy Jefferson and others. All rights reserved.
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.
Contributors:
...
**********************************************************************/
package org.datanucleus.store.rdbms.scostore;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.datanucleus.metadata.AbstractMemberMetaData;
import org.datanucleus.store.ObjectProvider;
import org.datanucleus.store.mapped.DatastoreContainerObject;
import org.datanucleus.store.mapped.exceptions.MappedDatastoreException;
import org.datanucleus.store.mapped.scostore.AbstractListStore;
import org.datanucleus.store.mapped.scostore.ListStoreIterator;
import org.datanucleus.store.query.ResultObjectFactory;
import org.datanucleus.store.rdbms.table.JoinTable;
/**
* ListStore iterator for RDBMS datastores.
*/
public class RDBMSListStoreIterator extends ListStoreIterator
{
RDBMSListStoreIterator(ObjectProvider sm, Object resultSet, ResultObjectFactory rof,
AbstractListStore abstractListStore)
throws MappedDatastoreException
{
super(sm, resultSet, rof, abstractListStore);
}
/* (non-Javadoc)
* @see org.datanucleus.store.mapped.scostore.ListStoreIterator#getOwnerMemberMetaData(org.datanucleus.store.mapped.DatastoreContainerObject)
*/
@Override
protected AbstractMemberMetaData getOwnerMemberMetaData(DatastoreContainerObject containerTable)
{
return ((JoinTable) containerTable).getOwnerMemberMetaData();
}
/* (non-Javadoc)
* @see org.datanucleus.store.mapped.scostore.ListStoreIterator#next(java.lang.Object)
*/
@Override
protected boolean next(Object resultSet) throws MappedDatastoreException
{
try
{
return ((ResultSet)resultSet).next();
}
catch (SQLException e)
{
throw new MappedDatastoreException(e.getMessage(), e);
}
}
}