/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2011-2014 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.ogm.datastore.ehcache.dialect.impl;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.hibernate.ogm.datastore.map.impl.MapTupleSnapshot;
import org.hibernate.ogm.datastore.spi.AssociationSnapshot;
import org.hibernate.ogm.datastore.spi.Tuple;
import org.hibernate.ogm.grid.RowKey;
/**
* An {@link AssociationSnapshot} based on a serializable map.
*
* @author Emmanuel Bernard <emmanuel@hibernate.org>
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
* @author Gunnar Morling
*/
public final class SerializableMapAssociationSnapshot implements AssociationSnapshot {
private final Map<SerializableKey, Map<String, Object>> associationMap;
public SerializableMapAssociationSnapshot(Map<SerializableKey, Map<String, Object>> associationMap) {
this.associationMap = associationMap;
}
@Override
public Tuple get(RowKey column) {
Map<String, Object> rawResult = associationMap.get( new SerializableKey( column ) );
return rawResult != null ? new Tuple( new MapTupleSnapshot( rawResult ) ) : null;
}
@Override
public boolean containsKey(RowKey column) {
return associationMap.containsKey( new SerializableKey( column ) );
}
@Override
public int size() {
return associationMap.size();
}
@Override
public Set<RowKey> getRowKeys() {
Set<RowKey> rowKeys = new HashSet<RowKey>( associationMap.size() );
for ( SerializableKey key : associationMap.keySet() ) {
rowKeys.add( new RowKey( key.getTable(), key.getColumnNames(), key.getColumnValues() ) );
}
return rowKeys;
}
public Map<SerializableKey, Map<String, Object>> getUnderlyingMap() {
return associationMap;
}
}