/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2013 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.neo4j.impl;
import java.util.Properties;
import org.hibernate.ogm.datastore.neo4j.Environment;
import org.hibernate.ogm.datastore.neo4j.spi.GraphDatabaseServiceFactory;
import org.hibernate.search.util.impl.ClassLoaderHelper;
import org.neo4j.graphdb.GraphDatabaseService;
/**
* Creates an instance of {@link GraphDatabaseServiceFactory} using the implementation selected in the properties.
* <p>
* If an implementation is not selected the default one is {@link EmbeddedGraphDatabaseFactory}.
*
* @see GraphDatabaseServiceFactory
* @see Environment#NEO4J_GRAPHDB_FACTORYCLASS
* @author Davide D'Alto <davide@hibernate.org>
*/
public class Neo4jGraphDatabaseServiceFactoryProvider {
public GraphDatabaseServiceFactory load(Properties properties) {
String factoryClassName = (String) properties.get( Environment.NEO4J_GRAPHDB_FACTORYCLASS );
GraphDatabaseServiceFactory factory = createFactory( factoryClassName );
factory.initialize( properties );
return factory;
}
private GraphDatabaseServiceFactory createFactory(String className) {
if ( className == null ) {
return new EmbeddedGraphDatabaseFactory();
}
else {
return ClassLoaderHelper.instanceFromName( GraphDatabaseServiceFactory.class, className, getClass(),
GraphDatabaseService.class.getName() );
}
}
}