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

   1 /*
   2  * Copyright (c) 2014 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
   9 package org.opendaylight.controller.cluster.datastore;
  10
  11 import akka.actor.ActorSystem;
  12 import com.google.common.annotations.VisibleForTesting;
  13 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
  14 import org.opendaylight.controller.cluster.datastore.config.Configuration;
  15 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
  16 import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
  17 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
  18 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  19 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
  20 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
  21
  22 /**
  23  * Implements a distributed DOMStore using Akka {@code Patterns.ask()}.
  24  *
  25  * @deprecated This implementation is destined for removal,
  26  */
  27 @Deprecated(since = "7.0.0", forRemoval = true)
  28 public class DistributedDataStore extends AbstractDataStore {
  29     private final TransactionContextFactory txContextFactory;
  30
  31     public DistributedDataStore(final ActorSystem actorSystem, final ClusterWrapper cluster,
  32             final Configuration configuration, final DatastoreContextFactory datastoreContextFactory,
  33             final DatastoreSnapshot restoreFromSnapshot) {
  34         super(actorSystem, cluster, configuration, datastoreContextFactory, restoreFromSnapshot);
  35         txContextFactory = new TransactionContextFactory(getActorUtils(), getIdentifier());
  36     }
  37
  38     @VisibleForTesting
  39     DistributedDataStore(final ActorUtils actorUtils, final ClientIdentifier identifier) {
  40         super(actorUtils, identifier);
  41         txContextFactory = new TransactionContextFactory(getActorUtils(), getIdentifier());
  42     }
  43
  44
  45     @Override
  46     public DOMStoreTransactionChain createTransactionChain() {
  47         return txContextFactory.createTransactionChain();
  48     }
  49
  50     @Override
  51     public DOMStoreReadTransaction newReadOnlyTransaction() {
  52         return new TransactionProxy(txContextFactory, TransactionType.READ_ONLY);
  53     }
  54
  55     @Override
  56     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
  57         getActorUtils().acquireTxCreationPermit();
  58         return new TransactionProxy(txContextFactory, TransactionType.WRITE_ONLY);
  59     }
  60
  61     @Override
  62     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
  63         getActorUtils().acquireTxCreationPermit();
  64         return new TransactionProxy(txContextFactory, TransactionType.READ_WRITE);
  65     }
  66
  67     @Override
  68     public void close() {
  69         txContextFactory.close();
  70         super.close();
  71     }
  72 }