1 /**
2 * Copyright 2007 The Apache Software Foundation
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 package org.apache.hadoop.hbase.regionserver;
21
22
23 /**
24 * LeaseListener is an interface meant to be implemented by users of the Leases
25 * class.
26 *
27 * It receives events from the Leases class about the status of its accompanying
28 * lease. Users of the Leases class can use a LeaseListener subclass to, for
29 * example, clean up resources after a lease has expired.
30 */
31 public interface LeaseListener {
32 /** When a lease expires, this method is called. */
33 public void leaseExpired();
34 }