/* * JBoss, Home of Professional Open Source. * Copyright 2008, Red Hat Middleware LLC, and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jboss.cache.invalidation; import java.io.Serializable; /** * InvalidationManager (IM) represents locally managed caches and invaliders. To be able * to do distributed invalidations, it is necessary to bridge these IM to forward * cache invalidation messages. * The InvalidationBridgeListener provides the way for any transport mechanism to * be used to forward cache invalidation messages accross a network/cluster. * @see InvalidationManagerMBean * @author <a href="mailto:sacha.labourey@cogito-info.ch">Sacha Labourey</a>. * @version $Revision: 81030 $ * * <p><b>Revisions:</b> * * <p><b>24 septembre 2002 Sacha Labourey:</b> * <ul> * <li> First implementation </li> * </ul> */ public interface InvalidationBridgeListener { /** * Called when a set of invalidations, concerning more than one IG, should be forwarded * accross the bridge. * It is the bridge responsability to determine: * - which IG must be bridged (some IG may not exist on other nodes, in this case * the bridge may decide to drop these invalidations messages to reduce the * serialization cost and network usage) * - to which other nodes the invalidations must be communicated. This can be done * by any mean (automatic discovery, configuration file, etc.) * @param invalidations BatchInvalidation messages containing invalidations * @param asynchronous Determine the best-effort indication to be used to communicate invalidations */ public void batchInvalidate (BatchInvalidation[] invalidations, boolean asynchronous); /** * Called when a single invalidation, concerning a single IG, should be forwarded * accross the bridge. * It is the bridge responsability to determine: * - which IG must be bridged (some IG may not exist on other nodes, in this case * the bridge may decide to drop these invalidations messages to reduce the * serialization cost and network usage) * - to which other nodes the invalidations must be communicated. This can be done * by any mean (automatic discovery, configuration file, etc.) * @param invalidationGroupName InvalidationGroup name * @param key Key to be invalidated * @param asynchronous Best effort communication setting */ public void invalidate (String invalidationGroupName, Serializable key, boolean asynchronous); /** Called when a set of invalidations, concerning a single IG, should be forwarded * accross the bridge. * It is the bridge responsability to determine: * - which IG must be bridged (some IG may not exist on other nodes, in this case * the bridge may decide to drop these invalidations messages to reduce the * serialization cost and network usage) * - to which other nodes the invalidations must be communicated. This can be done * by any mean (automatic discovery, configuration file, etc.) * @param invalidationGroupName Name of the InvalidationGroup to which is linked the invalidation message * @param keys Keys to be invalidated * @param asynchronous Best effort communication setting */ public void invalidate (String invalidationGroupName, Serializable[] keys, boolean asynchronous); /** * Issues invalidate all event to other nodes. * @param groupName group's name * @param asynchronous mode */ public void invalidateAll(String groupName, boolean asynchronous); /** * Called when an InvocationGroup is dropped (because no cache and invalider are * using it anymore). * For bridge implementations that automatically discover which IG should be * bridged, this callback can be used to communicate to the other nodes that this * node is no more interested in invalidation for this group. * @param groupInvalidationName Name of the InvalidationGroup being dropped */ public void groupIsDropped (String groupInvalidationName); /** * Called when an InvocationGroup is created. * For bridge implementations that automatically discover which IG should be * bridged, this callback can be used to communicate to the other nodes that this * node is now interested in invalidation for this group. * @param groupInvalidationName Name of the InvalidationGroup just being created */ public void newGroupCreated (String groupInvalidationName); }