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}