View Javadoc

1   /*
2    * Copyright (c) 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.hbql.util;
22  
23  import java.lang.annotation.ElementType;
24  import java.lang.annotation.Retention;
25  import java.lang.annotation.RetentionPolicy;
26  import java.lang.annotation.Target;
27  
28  /**
29   * A package attribute that captures the version of hbase that was compiled.
30   * Copied down from hadoop.  All is same except name of interface.
31   */
32  @Retention(RetentionPolicy.RUNTIME)
33  @Target(ElementType.PACKAGE)
34  public @interface VersionAnnotation {
35  
36      /**
37       * Get the Hadoop version
38       *
39       * @return the version string "0.6.3-dev"
40       */
41      String version();
42  
43      /**
44       * Get the username that compiled Hadoop.
45       */
46      String user();
47  
48      /**
49       * Get the date when Hadoop was compiled.
50       *
51       * @return the date in unix 'date' format
52       */
53      String date();
54  
55      /**
56       * Get the url for the subversion repository.
57       */
58      String url();
59  
60      /**
61       * Get the subversion revision.
62       *
63       * @return the revision number as a string (eg. "451451")
64       */
65      String revision();
66  }