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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.replication;
20  
21  import org.apache.hadoop.hbase.classification.InterfaceAudience;
22  import org.apache.hadoop.conf.Configuration;
23  import org.apache.hadoop.hbase.Abortable;
24  import org.apache.hadoop.hbase.Stoppable;
25  import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
26  
27  /**
28   * A factory class for instantiating replication objects that deal with replication state.
29   */
30  @InterfaceAudience.Private
31  public class ReplicationFactory {
32  
33    public static ReplicationQueues getReplicationQueues(final ZooKeeperWatcher zk,
34        Configuration conf, Abortable abortable) {
35      return new ReplicationQueuesZKImpl(zk, conf, abortable);
36    }
37  
38    public static ReplicationQueuesClient getReplicationQueuesClient(final ZooKeeperWatcher zk,
39        Configuration conf, Abortable abortable) {
40      return new ReplicationQueuesClientZKImpl(zk, conf, abortable);
41    }
42  
43    public static ReplicationPeers getReplicationPeers(final ZooKeeperWatcher zk, Configuration conf,
44        Abortable abortable) {
45      return getReplicationPeers(zk, conf, null, abortable);
46    }
47    
48    public static ReplicationPeers getReplicationPeers(final ZooKeeperWatcher zk, Configuration conf,
49        final ReplicationQueuesClient queuesClient, Abortable abortable) {
50      return new ReplicationPeersZKImpl(zk, conf, queuesClient, abortable);
51    }
52  
53    public static ReplicationTracker getReplicationTracker(ZooKeeperWatcher zookeeper,
54        final ReplicationPeers replicationPeers, Configuration conf, Abortable abortable,
55        Stoppable stopper) {
56      return new ReplicationTrackerZKImpl(zookeeper, replicationPeers, conf, abortable, stopper);
57    }
58  }