01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.catalina.tribes;
19:
20: /**
21: * The MembershipListener interface is used as a callback to the
22: * membership service. It has two methods that will notify the listener
23: * when a member has joined the group and when a member has disappeared (crashed)
24: *
25: * @author Filip Hanik
26: * @version $Revision: 467222 $, $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
27: */
28:
29: public interface MembershipListener {
30: /**
31: * A member was added to the group
32: * @param member Member - the member that was added
33: */
34: public void memberAdded(Member member);
35:
36: /**
37: * A member was removed from the group<br>
38: * If the member left voluntarily, the Member.getCommand will contain the Member.SHUTDOWN_PAYLOAD data
39: * @param member Member
40: * @see Member#SHUTDOWN_PAYLOAD
41: */
42: public void memberDisappeared(Member member);
43:
44: }
|