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.core.model.constraint;
28  
29  import gov.nist.secauto.metaschema.core.datatype.markup.MarkupMultiline;
30  import gov.nist.secauto.metaschema.core.metapath.MetapathExpression;
31  
32  import java.util.regex.Pattern;
33  
34  import edu.umd.cs.findbugs.annotations.NonNull;
35  import edu.umd.cs.findbugs.annotations.Nullable;
36  
37  public class DefaultKeyField implements IKeyField {
38  
39    @Nullable
40    private final Pattern pattern;
41    @NonNull
42    private final MetapathExpression target;
43    @Nullable
44    private final MarkupMultiline remarks;
45  
46    /**
47     * Construct a new key field based on the provided target. An optional pattern
48     * can be used to extract a portion of the resulting key value.
49     *
50     * @param target
51     *          a Metapath expression identifying the target of the key field
52     * @param pattern
53     *          an optional used to extract a portion of the resulting key value
54     * @param remarks
55     *          optional remarks describing the intent of the constraint
56     */
57    public DefaultKeyField(
58        @NonNull MetapathExpression target,
59        @Nullable Pattern pattern,
60        @Nullable MarkupMultiline remarks) {
61      this.pattern = pattern;
62      this.target = target;
63      this.remarks = remarks;
64    }
65  
66    @Override
67    public Pattern getPattern() {
68      return pattern;
69    }
70  
71    @Override
72    public MetapathExpression getTarget() {
73      return target;
74    }
75  
76    @Override
77    public MarkupMultiline getRemarks() {
78      return remarks;
79    }
80  
81  }