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1   package org.apache.helix;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  /**
23   * factory that creates cluster managers
24   *
25   * for zk-based cluster managers, the getZKXXX(..zkClient) that takes a zkClient parameter
26   *   are intended for session expiry test purpose
27   */
28  import org.apache.helix.manager.zk.ZKHelixManager;
29  import org.apache.log4j.Logger;
30  
31  
32  public final class HelixManagerFactory
33  {
34    private static final Logger logger = Logger.getLogger(HelixManagerFactory.class);
35  
36    /**
37     * Construct a zk-based cluster manager enforce all types (PARTICIPANT, CONTROLLER, and
38     * SPECTATOR to have a name
39     * 
40     * @param clusterName
41     * @param instanceName
42     * @param type
43     * @param zkAddr
44     * @return
45     */
46    public static HelixManager getZKHelixManager(String clusterName,
47                                                 String instanceName,
48                                                 InstanceType type,
49                                                 String zkAddr)
50    {
51      return new ZKHelixManager(clusterName, instanceName, type, zkAddr);
52    }
53  
54  }