2 * Copyright (c) 2016 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.access.client;
10 import com.google.common.annotations.Beta;
11 import com.google.common.base.Preconditions;
12 import java.util.concurrent.CountDownLatch;
15 * Exception thrown from {@link InversibleLock#optimisticRead()} and can be used to wait for the racing write
16 * to complete using {@link #awaitResolution()}.
18 * @author Robert Varga
21 public final class InversibleLockException extends RuntimeException {
22 private static final long serialVersionUID = 1L;
24 private final transient CountDownLatch latch;
26 InversibleLockException(final CountDownLatch latch) {
27 this.latch = Preconditions.checkNotNull(latch);
30 public void awaitResolution() {
31 // latch can be null after deserialization
35 } catch (InterruptedException e) {
36 throw new IllegalStateException("Interrupted while waiting for latch " + latch, e);