| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.catalina.tribes; |
| |
| /** |
| * The MembershipListener interface is used as a callback to the |
| * membership service. It has two methods that will notify the listener |
| * when a member has joined the group and when a member has disappeared (crashed) |
| * |
| * @author Filip Hanik |
| * @version $Revision$, $Date$ |
| */ |
| |
| |
| public interface MembershipListener { |
| /** |
| * A member was added to the group |
| * @param member Member - the member that was added |
| */ |
| public void memberAdded(Member member); |
| |
| /** |
| * A member was removed from the group<br> |
| * If the member left voluntarily, the payload will contain the Member.SHUTDOWN_PAYLOAD data |
| * @param member Member |
| * @see Member#SHUTDOWN_PAYLOAD |
| */ |
| public void memberDisappeared(Member member); |
| |
| } |
