1 /** 2 * Copyright 2010 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; 21 22 /** 23 * Interface to support the aborting of a given server or client. 24 * <p> 25 * This is used primarily for ZooKeeper usage when we could get an unexpected 26 * and fatal exception, requiring an abort. 27 * <p> 28 * Implemented by the Master, RegionServer, and TableServers (client). 29 */ 30 public interface Abortable { 31 /** 32 * Abort the server or client. 33 * @param why Why we're aborting. 34 * @param e Throwable that caused abort. Can be null. 35 */ 36 public void abort(String why, Throwable e); 37 }