opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/ChainedTransactionCommitImpl.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 package org.opendaylight.controller.md.sal.dom.store.impl;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
  15 import org.opendaylight.controller.sal.core.spi.data.ForwardingDOMStoreThreePhaseCommitCohort;
  16
  17 final class ChainedTransactionCommitImpl extends ForwardingDOMStoreThreePhaseCommitCohort {
  18     private final SnapshotBackedWriteTransaction transaction;
  19     private final DOMStoreThreePhaseCommitCohort delegate;
  20     private final DOMStoreTransactionChainImpl txChain;
  21
  22     ChainedTransactionCommitImpl(final SnapshotBackedWriteTransaction transaction,
  23             final DOMStoreThreePhaseCommitCohort delegate, final DOMStoreTransactionChainImpl txChain) {
  24         this.transaction = Preconditions.checkNotNull(transaction);
  25         this.delegate = Preconditions.checkNotNull(delegate);
  26         this.txChain = Preconditions.checkNotNull(txChain);
  27     }
  28
  29     @Override
  30     protected DOMStoreThreePhaseCommitCohort delegate() {
  31         return delegate;
  32     }
  33
  34     @Override
  35     public ListenableFuture<Void> commit() {
  36         ListenableFuture<Void> commitFuture = super.commit();
  37         Futures.addCallback(commitFuture, new FutureCallback<Void>() {
  38             @Override
  39             public void onFailure(final Throwable t) {
  40                 txChain.onTransactionFailed(transaction, t);
  41             }
  42
  43             @Override
  44             public void onSuccess(final Void result) {
  45                 txChain.onTransactionCommited(transaction);
  46             }
  47         });
  48         return commitFuture;
  49     }
  50
  51 }