/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.core.graph;
import java.util.Collections;
import java.util.List;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.tooling.GlobalGraphOperations;
import org.structr.common.error.FrameworkException;
import org.structr.core.entity.AbstractRelationship;
/**
* Fetches all the relationships in the database.
*
* @author Axel Morgner
*/
public class GetAllRelationships extends NodeServiceCommand {
public List<AbstractRelationship> execute() throws FrameworkException {
RelationshipFactory relationshipFactory = new RelationshipFactory(securityContext);
GraphDatabaseService graphDb = (GraphDatabaseService)arguments.get("graphDb");
if (graphDb != null) {
return relationshipFactory.instantiate(GlobalGraphOperations.at(graphDb).getAllRelationships());
}
return Collections.emptyList();
}
}