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.base.Optional;
12 import com.google.common.util.concurrent.CheckedFuture;
13 import com.google.common.util.concurrent.Futures;
14 import java.util.concurrent.Semaphore;
15 import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
16 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
21 import scala.concurrent.Future;
23 final class NoOpTransactionContext extends AbstractTransactionContext {
24 private static final Logger LOG = LoggerFactory.getLogger(NoOpTransactionContext.class);
26 private final Throwable failure;
27 private final Semaphore operationLimiter;
29 public NoOpTransactionContext(Throwable failure, TransactionIdentifier identifier, Semaphore operationLimiter) {
31 this.failure = failure;
32 this.operationLimiter = operationLimiter;
36 public void closeTransaction() {
37 LOG.debug("NoOpTransactionContext {} closeTransaction called", identifier);
41 public Future<ActorSelection> readyTransaction() {
42 LOG.debug("Tx {} readyTransaction called", identifier);
43 operationLimiter.release();
44 return akka.dispatch.Futures.failed(failure);
48 public void deleteData(YangInstanceIdentifier path) {
49 LOG.debug("Tx {} deleteData called path = {}", identifier, path);
50 operationLimiter.release();
54 public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
55 LOG.debug("Tx {} mergeData called path = {}", identifier, path);
56 operationLimiter.release();
60 public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
61 LOG.debug("Tx {} writeData called path = {}", identifier, path);
62 operationLimiter.release();
66 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readData(
67 YangInstanceIdentifier path) {
68 LOG.debug("Tx {} readData called path = {}", identifier, path);
69 operationLimiter.release();
70 return Futures.immediateFailedCheckedFuture(new ReadFailedException(
71 "Error reading data for path " + path, failure));
75 public CheckedFuture<Boolean, ReadFailedException> dataExists(
76 YangInstanceIdentifier path) {
77 LOG.debug("Tx {} dataExists called path = {}", identifier, path);
78 operationLimiter.release();
79 return Futures.immediateFailedCheckedFuture(new ReadFailedException(
80 "Error checking exists for path " + path, failure));