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.replication;
020
021import org.apache.commons.lang3.reflect.ConstructorUtils;
022import org.apache.yetus.audience.InterfaceAudience;
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.Abortable;
025import org.apache.hadoop.hbase.Stoppable;
026import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
027
028/**
029 * A factory class for instantiating replication objects that deal with replication state.
030 */
031@InterfaceAudience.Private
032public class ReplicationFactory {
033
034  public static ReplicationQueues getReplicationQueues(ReplicationQueuesArguments args)
035      throws Exception {
036    return (ReplicationQueues) ConstructorUtils.invokeConstructor(ReplicationQueuesZKImpl.class,
037      args);
038  }
039
040  public static ReplicationQueuesClient
041      getReplicationQueuesClient(ReplicationQueuesClientArguments args) throws Exception {
042    return (ReplicationQueuesClient) ConstructorUtils
043        .invokeConstructor(ReplicationQueuesClientZKImpl.class, args);
044  }
045
046  public static ReplicationPeers getReplicationPeers(final ZKWatcher zk, Configuration conf,
047                                                     Abortable abortable) {
048    return getReplicationPeers(zk, conf, null, abortable);
049  }
050
051  public static ReplicationPeers getReplicationPeers(final ZKWatcher zk, Configuration conf,
052                                                     final ReplicationQueuesClient queuesClient, Abortable abortable) {
053    return new ReplicationPeersZKImpl(zk, conf, queuesClient, abortable);
054  }
055
056  public static ReplicationTracker getReplicationTracker(ZKWatcher zookeeper,
057      final ReplicationPeers replicationPeers, Configuration conf, Abortable abortable,
058      Stoppable stopper) {
059    return new ReplicationTrackerZKImpl(zookeeper, replicationPeers, conf, abortable, stopper);
060  }
061}