View Javadoc

1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  package org.apache.hadoop.hbase.client;
20  import org.apache.hadoop.hbase.classification.InterfaceAudience;
21  
22  /**
23   * This should be implemented by the Get/Scan implementations that
24   * talk to replica regions. When an RPC response is received from one
25   * of the replicas, the RPCs to the other replicas are cancelled.
26   */
27  @InterfaceAudience.Private
28  interface Cancellable {
29    public void cancel();
30    public boolean isCancelled();
31  }