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 javax.annotation.Nonnull;
11 import javax.annotation.Nullable;
14 * This interface is used to pass the unit of work via the actors mailbox. The command can alter behavior of the actor
15 * by returning a new behavior.
17 * @author Robert Varga
20 public interface InternalCommand<T extends BackendInfo> {
22 * Run command actions.
24 * @param currentBehavior Current Behavior
25 * @return Next behavior to use in the client actor
27 @Nullable ClientActorBehavior<T> execute(@Nonnull ClientActorBehavior<T> currentBehavior);