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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 unqiue index over the contents of the assembly
43   * represented by the containing {@link MetaschemaAssembly} annotation.
44   */
45  @Documented
46  @Retention(RUNTIME)
47  @Target(ANNOTATION_TYPE)
48  public @interface Index {
49    /**
50     * An optional identifier for the constraint, which must be unique to only this
51     * constraint.
52     *
53     * @return the identifier if provided or an empty string otherwise
54     */
55    @NonNull
56    String id() default "";
57  
58    /**
59     * An optional formal name for the constraint.
60     *
61     * @return the formal name if provided or an empty string otherwise
62     */
63    @NonNull
64    String formalName() default "";
65  
66    /**
67     * An optional description of the constraint.
68     *
69     * @return the description if provided or an empty string otherwise
70     */
71    @NonNull
72    String description() default "";
73  
74    /**
75     * The significance of a violation of this constraint.
76     *
77     * @return the level
78     */
79    @NonNull
80    Level level() default IConstraint.Level.ERROR;
81  
82    /**
83     * An optional metapath that points to the target flag or field value that the
84     * constraint applies to. If omitted the target will be ".", which means the
85     * target is the value of the {@link BoundFlag}, {@link BoundField} or
86     * {@link MetaschemaFieldValue} annotation the constraint appears on. In the
87     * prior case, this annotation may only appear on a {@link BoundField} if the
88     * field has no flags, which results in a {@link BoundField} annotation on a
89     * field instance with a scalar, data type value.
90     *
91     * @return the target metapath
92     */
93    @NonNull
94    String target() default ".";
95  
96    /**
97     * An optional set of properties associated with these allowed values.
98     *
99     * @return the properties or an empty array with no properties
100    */
101   Property[] properties() default {};
102 
103   /**
104    * The unique name of the index.
105    *
106    * @return the index name
107    */
108   @NonNull
109   String name();
110 
111   /**
112    * A list of one or more keys to use in looking up an entry in a given index.
113    *
114    * @return one or more keys
115    */
116   @NonNull
117   KeyField[] keyFields();
118 
119   /**
120    * The message to emit when the constraint is violated.
121    *
122    * @return the message or an empty string otherwise
123    */
124   @NonNull
125   String message() default "";
126 
127   /**
128    * Any remarks about the constraint, encoded as an escaped Markdown string.
129    *
130    * @return an encoded markdown string or an empty string if no remarks are
131    *         provided
132    */
133   @NonNull
134   String remarks() default "";
135 }