001/*
002 * Copyright 2010 Red Hat, Inc.
003 * Red Hat licenses this file to you under the Apache License, version
004 * 2.0 (the "License"); you may not use this file except in compliance
005 * with the License.  You may obtain a copy of the License at
006 *    http://www.apache.org/licenses/LICENSE-2.0
007 * Unless required by applicable law or agreed to in writing, software
008 * distributed under the License is distributed on an "AS IS" BASIS,
009 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
010 * implied.  See the License for the specific language governing
011 * permissions and limitations under the License.
012 */
013
014package org.hornetq.api.core.client;
015
016import org.hornetq.api.core.Pair;
017import org.hornetq.api.core.TransportConfiguration;
018
019
020/**
021 * A ClusterTopologyListener
022 *
023 * @author tim
024 *
025 *
026 */
027public interface ClusterTopologyListener
028{
029   void nodeUP(long eventUID, String nodeID, Pair<TransportConfiguration, TransportConfiguration> connectorPair, boolean last);
030   
031   void nodeDown(long eventUID, String nodeID);
032}