2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.datastore;
10 import akka.actor.ActorSelection;
11 import com.google.common.util.concurrent.SettableFuture;
12 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
13 import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
14 import org.opendaylight.controller.cluster.datastore.messages.AbstractRead;
15 import org.opendaylight.controller.cluster.datastore.modification.AbstractModification;
16 import org.opendaylight.controller.md.sal.common.api.data.DataStoreUnavailableException;
17 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
20 import scala.concurrent.Future;
22 final class NoOpTransactionContext extends AbstractTransactionContext {
23 private static final Logger LOG = LoggerFactory.getLogger(NoOpTransactionContext.class);
25 private final Throwable failure;
27 public NoOpTransactionContext(Throwable failure, TransactionIdentifier identifier) {
29 this.failure = failure;
33 public void closeTransaction() {
34 LOG.debug("NoOpTransactionContext {} closeTransaction called", getIdentifier());
38 public boolean supportsDirectCommit() {
43 public Future<Object> directCommit() {
44 LOG.debug("Tx {} directCommit called, failure: {}", getIdentifier(), failure);
45 return akka.dispatch.Futures.failed(failure);
49 public Future<ActorSelection> readyTransaction() {
50 LOG.debug("Tx {} readyTransaction called, failure: {}", getIdentifier(), failure);
51 return akka.dispatch.Futures.failed(failure);
55 public void executeModification(AbstractModification modification) {
56 LOG.debug("Tx {} executeModification {} called path = {}", getIdentifier(), modification.getClass().getSimpleName(),
57 modification.getPath());
61 public <T> void executeRead(AbstractRead<T> readCmd, SettableFuture<T> proxyFuture) {
62 LOG.debug("Tx {} executeRead {} called path = {}", getIdentifier(), readCmd.getClass().getSimpleName(),
66 if (failure instanceof NoShardLeaderException) {
67 t = new DataStoreUnavailableException(failure.getMessage(), failure);
71 proxyFuture.setException(new ReadFailedException("Error executeRead " + readCmd.getClass().getSimpleName()
72 + " for path " + readCmd.getPath(), t));