/* * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.controller.cluster.databroker.actors.dds; import com.google.common.util.concurrent.ListenableFuture; import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort; /** * An {@link AbstractTransactionCommitCohort} for use with empty transactions. This relies on the fact that no backends * have been touched, hence all state book-keeping needs to happen only locally and shares fate with the coordinator. * *
* Therefore all methods can finish immediately without any effects.
*
* @author Robert Varga
*/
final class EmptyTransactionCommitCohort extends AbstractTransactionCommitCohort {
static final DOMStoreThreePhaseCommitCohort INSTANCE = new EmptyTransactionCommitCohort();
private EmptyTransactionCommitCohort() {
// Hidden
}
@Override
public ListenableFuture