001/**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019package org.apache.hadoop.hbase.client;
020import org.apache.yetus.audience.InterfaceAudience;
021
022/**
023 * This should be implemented by the Get/Scan implementations that
024 * talk to replica regions. When an RPC response is received from one
025 * of the replicas, the RPCs to the other replicas are cancelled.
026 */
027@InterfaceAudience.Private
028interface Cancellable {
029  public void cancel();
030  public boolean isCancelled();
031}