View Javadoc
1   /*
2    * Portions of this software was developed by employees of the National Institute
3    * of Standards and Technology (NIST), an agency of the Federal Government and is
4    * being made available as a public service. Pursuant to title 17 United States
5    * Code Section 105, works of NIST employees are not subject to copyright
6    * protection in the United States. This software may be subject to foreign
7    * copyright. Permission in the United States and in foreign countries, to the
8    * extent that NIST may hold copyright, to use, copy, modify, create derivative
9    * works, and distribute this software and its documentation without fee is hereby
10   * granted on a non-exclusive basis, provided that this notice and disclaimer
11   * of warranty appears in all copies.
12   *
13   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
19   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25   */
26  
27  package gov.nist.secauto.metaschema.databind.model.annotations;
28  
29  import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
30  import static java.lang.annotation.RetentionPolicy.RUNTIME;
31  
32  import gov.nist.secauto.metaschema.core.model.constraint.IConstraint;
33  import gov.nist.secauto.metaschema.core.model.constraint.IConstraint.Level;
34  
35  import java.lang.annotation.Documented;
36  import java.lang.annotation.Retention;
37  import java.lang.annotation.Target;
38  
39  import edu.umd.cs.findbugs.annotations.NonNull;
40  
41  /**
42   * This annotation defines a rule that requires that the target contents of the
43   * assembly, represented by the containing {@link MetaschemaAssembly}
44   * annotation, reference items in a name index defined by the {@link Index}
45   * constraint.
46   */
47  
48  @Documented
49  @Retention(RUNTIME)
50  @Target(ANNOTATION_TYPE)
51  public @interface IndexHasKey {
52    /**
53     * An optional identifier for the constraint, which must be unique to only this
54     * constraint.
55     *
56     * @return the identifier if provided or an empty string otherwise
57     */
58    @NonNull
59    String id() default "";
60  
61    /**
62     * An optional formal name for the constraint.
63     *
64     * @return the formal name if provided or an empty string otherwise
65     */
66    @NonNull
67    String formalName() default "";
68  
69    /**
70     * An optional description of the constraint.
71     *
72     * @return the description if provided or an empty string otherwise
73     */
74    @NonNull
75    String description() default "";
76  
77    /**
78     * The significance of a violation of this constraint.
79     *
80     * @return the level
81     */
82    @NonNull
83    Level level() default IConstraint.Level.ERROR;
84  
85    /**
86     * An optional metapath that points to the target flag or field value that the
87     * constraint applies to. If omitted the target will be ".", which means the
88     * target is the value of the {@link BoundFlag}, {@link BoundField} or
89     * {@link MetaschemaFieldValue} annotation the constraint appears on. In the
90     * prior case, this annotation may only appear on a {@link BoundField} if the
91     * field has no flags, which results in a {@link BoundField} annotation on a
92     * field instance with a scalar, data type value.
93     *
94     * @return the target metapath
95     */
96    @NonNull
97    String target() default ".";
98  
99    /**
100    * An optional set of properties associated with these allowed values.
101    *
102    * @return the properties or an empty array with no properties
103    */
104   Property[] properties() default {};
105 
106   /**
107    * A reference to a named index.
108    *
109    * @return the index name
110    */
111   @NonNull
112   String indexName();
113 
114   /**
115    * A list of one or more keys to use in looking up an entry in a given index.
116    *
117    * @return one or more keys
118    */
119   @NonNull
120   KeyField[] keyFields();
121 
122   /**
123    * The message to emit when the constraint is violated.
124    *
125    * @return the message or an empty string otherwise
126    */
127   @NonNull
128   String message() default "";
129 
130   /**
131    * Any remarks about the constraint, encoded as an escaped Markdown string.
132    *
133    * @return an encoded markdown string or an empty string if no remarks are
134    *         provided
135    */
136   @NonNull
137   String remarks() default "";
138 }