View Javadoc

1   /**
2    * Copyright 2010 The Apache Software Foundation
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, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.hadoop.hbase.client;
22  
23  import org.apache.hadoop.conf.Configuration;
24  
25  
26  /**
27   * Used by server processes to expose HServerConnection method
28   * so can call HConnectionManager#setRootRegionLocation
29   */
30  public class ServerConnectionManager extends HConnectionManager {
31    /*
32     * Not instantiable
33     */
34    private ServerConnectionManager() {}
35  
36    /**
37     * Get the connection object for the instance specified by the configuration
38     * If no current connection exists, create a new connection for that instance
39     * @param conf configuration
40     * @return HConnection object for the instance specified by the configuration
41     */
42    public static ServerConnection getConnection(Configuration conf) {
43      return (ServerConnection) HConnectionManager.getConnection(conf);
44    }
45  }