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1   /*
2    * Copyright 2012 smartics, Kronseder & Reiner GmbH
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package de.smartics.projectdoc.annotations;
17  
18  import java.lang.annotation.Documented;
19  import java.lang.annotation.ElementType;
20  import java.lang.annotation.Retention;
21  import java.lang.annotation.RetentionPolicy;
22  import java.lang.annotation.Target;
23  
24  /**
25   * Specifies the categories a document is associated with. A document may be
26   * added to none or any number of categories.
27   * <p>
28   * Categories are organized hierarchically. This organization is not reflected
29   * in the annotation. The annotations simply identify the categories by their
30   * name.
31   * </p>
32   * <p>
33   * Annotations found at the type level are inherited to the elements defined in
34   * this type.
35   * </p>
36   * <p>
37   * This is a filing element.
38   * </p>
39   *
40   * <pre>
41   * {@source "Usage Example"
42   * {@annotation}DocCategory("parent-category")
43   *   public interface TestProperties
44   *   {
45   *     String inheritAll();
46   *
47   *     {@annotation}DocCategory({ "sample-category one" })
48   *     String oneValue();
49   *
50   *     {@annotation}DocCategory({ "sample-category one", "sample-category two", "sample-category three" })
51   *     String multipleValues();
52   *   }
53   *   }
54   * </pre>
55   *
56   * @see Document
57   * @see DocParent
58   * @see DocTag
59   */
60  @Documented
61  @Target({ ElementType.TYPE, ElementType.FIELD, ElementType.METHOD })
62  @Retention(RetentionPolicy.RUNTIME)
63  public @interface DocCategory
64  {
65    /**
66     * The names of the categories the annotated element belongs to.
67     */
68    String[] value();
69  }