/**
* 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.tx;
/**
* @author tgaengler
*/
public interface TransactionHandler {
void beginTx();
void renewTx();
void failTx();
void succeedTx();
/**
* Return true, if a new transaction was create; if an existing transaction is still open, this one will be returned.
*
* @return true, if a new transaction was create; if an existing transaction is still open, this one will be returned.
*/
boolean ensureRunningTx();
boolean txIsClosed();
}