/**
* This file is part of d:swarm graph extension.
*
* d:swarm graph extension 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.
*
* d:swarm graph extension 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 d:swarm graph extension. If not, see <http://www.gnu.org/licenses/>.
*/
package org.dswarm.graph;
import java.util.Optional;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Relationship;
import org.dswarm.graph.index.NamespaceIndex;
/**
* @author tgaengler
*/
public interface TransactionalNeo4jProcessor extends Neo4jProcessor {
void ensureRunningTx() throws DMPGraphException;
void failTx();
void succeedTx() throws DMPGraphException;
// note: statement uuid is now hashed, i.e., it's a long value
Optional<Relationship> getRelationshipFromStatementIndex(final Long stmtUUID);
GraphDatabaseService getDatabase();
NamespaceIndex getNamespaceIndex();
}