/* * 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.annotations.Beta; import com.google.common.base.Preconditions; import com.google.common.base.Verify; import java.util.concurrent.atomic.AtomicLongFieldUpdater; import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier; import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier; /** * Client-side view of a local history. This class tracks all state related to a particular history and routes * frontend requests towards the backend. * *
* This interface is used by the world outside of the actor system and in the actor system it is manifested via
* its client actor. That requires some state transfer with {@link DistributedDataStoreClientBehavior}. In order to
* reduce request latency, all messages are carbon-copied (and enqueued first) to the client actor.
*
* @author Robert Varga
*/
@Beta
public final class ClientLocalHistory extends AbstractClientHistory implements AutoCloseable {
private static final AtomicLongFieldUpdater