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
9 package org.opendaylight.controller.cluster.datastore;
11 import java.util.concurrent.atomic.AtomicReference;
13 interface OperationCallback {
14 OperationCallback NO_OP_CALLBACK = new OperationCallback() {
20 public void success() {
24 public void failure() {
32 public void resume() {
36 class Reference extends AtomicReference<OperationCallback> {
37 private static final long serialVersionUID = 1L;
39 Reference(OperationCallback initialValue) {