/**
* Copyright (c) 2002-2011 "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 examples;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.neo4j.graphdb.DynamicRelationshipType;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.Transaction;
import org.neo4j.graphdb.index.IndexHits;
import org.neo4j.graphdb.index.RelationshipIndex;
import org.neo4j.kernel.EmbeddedGraphDatabase;
/**
* Trying out code from: http://stackoverflow.com/questions/5346011
*
* @author Anders Nawroth
*/
public class RelatedNodesQuestionTest
{
@Test
public void question5346011()
{
GraphDatabaseService service = new EmbeddedGraphDatabase( "target/soquestion-test" );
Transaction transaction = service.beginTx();
try
{
RelationshipIndex index = service.index().forRelationships( "exact" );
// ...creation of the nodes and relationship
Node node1 = service.createNode();
Node node2 = service.createNode();
String a_uuid = "xyz";
Relationship relationship = node1.createRelationshipTo( node2, DynamicRelationshipType.withName( "related" ) );
index.add( relationship, "uuid", a_uuid );
// query
IndexHits<Relationship> hits = index.get( "uuid", a_uuid, node1, node2 );
assertEquals( 1, hits.size() );
transaction.success();
}
finally
{
transaction.finish();
}
service.shutdown();
}
}