opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/ClientBackedDataStore.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.databroker;
   9
  10 import akka.actor.ActorSystem;
  11 import com.google.common.annotations.VisibleForTesting;
  12 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
  13 import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
  14 import org.opendaylight.controller.cluster.datastore.ClusterWrapper;
  15 import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
  16 import org.opendaylight.controller.cluster.datastore.config.Configuration;
  17 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
  18 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
  19 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
  20 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  21 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  22 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
  23
  24 /**
  25  * Implements a distributed DOMStore using ClientActor.
  26  */
  27 public class ClientBackedDataStore extends AbstractDataStore {
  28
  29     public ClientBackedDataStore(final ActorSystem actorSystem, final ClusterWrapper cluster,
  30             final Configuration configuration, final DatastoreContextFactory datastoreContextFactory,
  31             final DatastoreSnapshot restoreFromSnapshot) {
  32         super(actorSystem, cluster, configuration, datastoreContextFactory, restoreFromSnapshot);
  33     }
  34
  35     @VisibleForTesting
  36     ClientBackedDataStore(final ActorContext actorContext, final ClientIdentifier identifier) {
  37         super(actorContext, identifier);
  38     }
  39
  40     @Override
  41     public DOMStoreTransactionChain createTransactionChain() {
  42         return new ClientBackedTransactionChain(getClient().createLocalHistory());
  43     }
  44
  45     @Override
  46     public DOMStoreReadTransaction newReadOnlyTransaction() {
  47         return new ClientBackedReadTransaction(getClient().createSnapshot(), null);
  48     }
  49
  50     @Override
  51     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
  52         return new ClientBackedWriteTransaction(getClient().createTransaction());
  53     }
  54
  55     @Override
  56     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
  57         return new ClientBackedReadWriteTransaction(getClient().createTransaction());
  58     }
  59 }