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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.hbase.HRegionLocation;
24  
25  /**
26   * Used by master and region server, so that they do not need to wait for the
27   * cluster to be up to get a connection.
28   */
29  public interface ServerConnection extends HConnection {
30    /**
31     * Set root region location in connection
32     * @param rootRegion region location for root region
33     */
34    public void setRootRegionLocation(HRegionLocation rootRegion);
35  
36    /**
37     * Unset the root region location in the connection. Called by
38     * ServerManager.processRegionClose.
39     */
40    public void unsetRootRegionLocation();
41  }