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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  
20  package org.apache.hadoop.hbase.executor;
21  
22  import org.apache.hadoop.classification.InterfaceAudience;
23  
24  /**
25   * The following is a list of all executor types, both those that run in the
26   * master and those that run in the regionserver.
27   */
28  @InterfaceAudience.Private
29  public enum ExecutorType {
30  
31    // Master executor services
32    MASTER_CLOSE_REGION        (1),
33    MASTER_OPEN_REGION         (2),
34    MASTER_SERVER_OPERATIONS   (3),
35    MASTER_TABLE_OPERATIONS    (4),
36    MASTER_RS_SHUTDOWN         (5),
37    MASTER_META_SERVER_OPERATIONS (6),
38    M_LOG_REPLAY_OPS           (7),
39  
40    // RegionServer executor services
41    RS_OPEN_REGION             (20),
42    RS_OPEN_ROOT               (21),
43    RS_OPEN_META               (22),
44    RS_CLOSE_REGION            (23),
45    RS_CLOSE_ROOT              (24),
46    RS_CLOSE_META              (25),
47    RS_PARALLEL_SEEK           (26),
48    RS_LOG_REPLAY_OPS          (27);
49  
50    ExecutorType(int value) {}
51  
52    /**
53     * @param serverName
54     * @return Conflation of the executor type and the passed servername.
55     */
56    String getExecutorName(String serverName) {
57      return this.toString() + "-" + serverName.replace("%", "%%");
58    }
59  }