/*
* Hibernate OGM, Domain model persistence for NoSQL datastores
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.ogm.datastore.map.impl;
import java.util.Map;
import java.util.Set;
import org.hibernate.ogm.datastore.spi.AssociationSnapshot;
import org.hibernate.ogm.datastore.spi.Tuple;
import org.hibernate.ogm.grid.RowKey;
/**
* @author Emmanuel Bernard <emmanuel@hibernate.org>
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
*/
public final class MapAssociationSnapshot implements AssociationSnapshot {
private final Map<RowKey, Map<String, Object>> associationMap;
public MapAssociationSnapshot(Map<RowKey, Map<String, Object>> associationMap) {
this.associationMap = associationMap;
}
@Override
public Tuple get(RowKey column) {
Map<String, Object> rawResult = associationMap.get( column );
return rawResult != null ? new Tuple( new MapTupleSnapshot( rawResult ) ) : null;
}
@Override
public boolean containsKey(RowKey column) {
return associationMap.containsKey( column );
}
@Override
public int size() {
return associationMap.size();
}
@Override
public Set<RowKey> getRowKeys() {
return associationMap.keySet();
}
public Map<RowKey, Map<String, Object>> getUnderlyingMap() {
return associationMap;
}
}