/**
* Copyright (c) 2002-2010 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.remote;
import java.util.Iterator;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.NotFoundException;
import org.neo4j.graphdb.PropertyContainer;
abstract class RemotePropertyContainer implements PropertyContainer
{
final RemoteGraphDbEngine engine;
final long id;
RemotePropertyContainer( RemoteGraphDbEngine engine, long id )
{
this.engine = engine;
this.id = id;
}
public GraphDatabaseService getGraphDatabase()
{
return engine.graphDb;
}
public final Object getProperty( String key )
{
Object result = getContainerProperty( key );
if ( result == null )
{
throw new NotFoundException( this + " has no property \"" + key
+ "\"." );
}
return result;
}
public final Object getProperty( String key, Object defaultValue )
{
Object result = getContainerProperty( key );
if ( result != null )
{
return result;
}
else
{
return defaultValue;
}
}
abstract Object getContainerProperty( String key );
public final Iterable<Object> getPropertyValues()
{
return new Iterable<Object>()
{
public Iterator<Object> iterator()
{
return new Iterator<Object>()
{
final Iterator<String> keys = getPropertyKeys().iterator();
public boolean hasNext()
{
return keys.hasNext();
}
public Object next()
{
return getProperty( keys.next() );
}
public void remove()
{
keys.remove();
}
};
}
};
}
}