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

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.datastore.compat;
   9
  10 import akka.actor.ActorSelection;
  11 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
  12 import org.opendaylight.controller.cluster.datastore.OperationLimiter;
  13 import org.opendaylight.controller.cluster.datastore.RemoteTransactionContext;
  14 import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
  15 import org.opendaylight.controller.cluster.datastore.messages.MergeData;
  16 import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
  17 import org.opendaylight.controller.cluster.datastore.messages.WriteData;
  18 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
  19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23 import scala.concurrent.Future;
  24
  25 /**
  26  * Implementation of TransactionContextImpl used when talking to a pre-Lithium controller that doesn't
  27  * support the BatchedModifications message.
  28  *
  29  * @author Thomas Pantelis
  30  */
  31 @Deprecated
  32 public class PreLithiumTransactionContextImpl extends RemoteTransactionContext {
  33     private static final Logger LOG = LoggerFactory.getLogger(PreLithiumTransactionContextImpl.class);
  34
  35     private final String transactionPath;
  36
  37     public PreLithiumTransactionContextImpl(String transactionPath, ActorSelection actor,
  38             ActorContext actorContext, boolean isTxActorLocal,
  39             short remoteTransactionVersion, OperationLimiter limiter) {
  40         super(actor, actorContext, isTxActorLocal, remoteTransactionVersion, limiter);
  41         this.transactionPath = transactionPath;
  42     }
  43
  44     @Override
  45     public void deleteData(YangInstanceIdentifier path) {
  46         executeOperationAsync(new DeleteData(path, getRemoteTransactionVersion()));
  47     }
  48
  49     @Override
  50     public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
  51         executeOperationAsync(new MergeData(path, data, getRemoteTransactionVersion()));
  52     }
  53
  54     @Override
  55     public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
  56         executeOperationAsync(new WriteData(path, data, getRemoteTransactionVersion()));
  57     }
  58
  59     @Override
  60     public Future<ActorSelection> readyTransaction() {
  61         LOG.debug("Tx {} readyTransaction called", getIdentifier());
  62
  63         // Send the ReadyTransaction message to the Tx actor.
  64
  65         Future<Object> lastReplyFuture = executeOperationAsync(ReadyTransaction.INSTANCE);
  66
  67         return transformReadyReply(lastReplyFuture);
  68     }
  69
  70     @Override
  71     protected Future<ActorSelection> transformReadyReply(final Future<Object> readyReplyFuture) {
  72         // In base Helium we used to return the local path of the actor which represented
  73         // a remote ThreePhaseCommitCohort. The local path would then be converted to
  74         // a remote path using this resolvePath method. To maintain compatibility with
  75         // a Helium node we need to continue to do this conversion.
  76         // At some point in the future when upgrades from Helium are not supported
  77         // we could remove this code to resolvePath and just use the cohortPath as the
  78         // resolved cohortPath
  79         if (getRemoteTransactionVersion() < DataStoreVersions.HELIUM_1_VERSION) {
  80             return PreLithiumTransactionReadyReplyMapper.transform(readyReplyFuture, getActorContext(), getIdentifier(), transactionPath);
  81         } else {
  82             return super.transformReadyReply(readyReplyFuture);
  83         }
  84     }
  85
  86     @Override
  87     public boolean supportsDirectCommit() {
  88         return false;
  89     }
  90
  91     @Override
  92     public Future<Object> directCommit() {
  93         throw new UnsupportedOperationException("directCommit is not supported for " + getClass());
  94     }
  95 }