View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.zookeeper;
19  
20  import java.io.IOException;
21  
22  import org.apache.zookeeper.KeeperException;
23  import org.apache.zookeeper.Watcher;
24  import org.apache.zookeeper.ZooKeeper;
25  import org.slf4j.Logger;
26  import org.slf4j.LoggerFactory;
27  
28  public class AuthFailingRecoverableZooKeeper extends RecoverableZooKeeper {
29    private static final Logger LOG = LoggerFactory.getLogger(AuthFailingRecoverableZooKeeper.class);
30    private Watcher watcher;
31    private int sessionTimeout;
32    private String quorumServers;
33  
34    public AuthFailingRecoverableZooKeeper(String quorumServers, int sessionTimeout, Watcher watcher,
35        int maxRetries, int retryIntervalMillis, int maxSleepTime, String identifier,
36        int authFailedRetries, int authFailedPause, int multiMaxSize) throws IOException {
37      super(quorumServers, sessionTimeout, watcher, maxRetries, retryIntervalMillis, maxSleepTime,
38          identifier, authFailedRetries, authFailedPause, multiMaxSize);
39      this.quorumServers = quorumServers;
40      this.sessionTimeout = sessionTimeout;
41      this.watcher = watcher;
42    }
43  
44    @Override
45    ZooKeeper createNewZooKeeper() throws KeeperException {
46      try {
47        // Construct our "special" ZooKeeper instance
48        return new AuthFailingZooKeeper(quorumServers, sessionTimeout, watcher);
49      } catch (IOException ex) {
50        LOG.warn("Unable to create ZooKeeper Connection", ex);
51        throw new KeeperException.OperationTimeoutException();
52      }
53    }
54  }