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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.core.model.constraint;
28  
29  import gov.nist.secauto.metaschema.core.datatype.markup.MarkupLine;
30  import gov.nist.secauto.metaschema.core.datatype.markup.MarkupMultiline;
31  import gov.nist.secauto.metaschema.core.metapath.MetapathExpression;
32  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
33  
34  import java.util.List;
35  import java.util.Map;
36  import java.util.Set;
37  
38  import javax.xml.namespace.QName;
39  
40  import edu.umd.cs.findbugs.annotations.NonNull;
41  import edu.umd.cs.findbugs.annotations.Nullable;
42  
43  public final class DefaultIndexHasKeyConstraint
44      extends AbstractKeyConstraint
45      implements IIndexHasKeyConstraint {
46    @NonNull
47    private final String indexName;
48  
49    /**
50     * Create a key reference constraint, which uses a set of key fields to build a
51     * key to match against an index.
52     *
53     * @param id
54     *          the optional identifier for the constraint
55     * @param formalName
56     *          the constraint's formal indexName or {@code null} if not provided
57     * @param description
58     *          the constraint's semantic description or {@code null} if not
59     *          provided
60     * @param source
61     *          information about the constraint source
62     * @param level
63     *          the significance of a violation of this constraint
64     * @param target
65     *          the Metapath expression identifying the nodes the constraint targets
66     * @param properties
67     *          a collection of associated properties
68     * @param indexName
69     *          a reference to the indexName of the index
70     * @param keyFields
71     *          a list of key fields associated with the constraint
72     * @param remarks
73     *          optional remarks describing the intent of the constraint
74     */
75    private DefaultIndexHasKeyConstraint(
76        @Nullable String id,
77        @Nullable String formalName,
78        @Nullable MarkupLine description,
79        @NonNull ISource source,
80        @NonNull Level level,
81        @NonNull MetapathExpression target,
82        @NonNull Map<QName, Set<String>> properties,
83        @NonNull String indexName,
84        @NonNull List<DefaultKeyField> keyFields,
85        @Nullable MarkupMultiline remarks) {
86      super(id, formalName, description, source, level, target, properties, keyFields, remarks);
87      if (indexName.isBlank()) {
88        throw new IllegalArgumentException("The index indexName must be a non-blank string");
89      }
90      this.indexName = indexName;
91    }
92  
93    @Override
94    public String getIndexName() {
95      return indexName;
96    }
97  
98    @Override
99    public <T, R> R accept(IConstraintVisitor<T, R> visitor, T state) {
100     return visitor.visitIndexHasKeyConstraint(this, state);
101   }
102 
103   @NonNull
104   public static Builder builder() {
105     return new Builder();
106   }
107 
108   public static final class Builder
109       extends AbstractKeyConstraintBuilder<Builder, DefaultIndexHasKeyConstraint> {
110     private String indexName;
111 
112     private Builder() {
113       // disable construction
114     }
115 
116     public Builder name(@NonNull String name) {
117       this.indexName = name;
118       return this;
119     }
120 
121     @Override
122     protected Builder getThis() {
123       return this;
124     }
125 
126     @Override
127     protected void validate() {
128       super.validate();
129 
130       ObjectUtils.requireNonNull(indexName);
131     }
132 
133     protected String getIndexName() {
134       return indexName;
135     }
136 
137     @Override
138     protected DefaultIndexHasKeyConstraint newInstance() {
139       return new DefaultIndexHasKeyConstraint(
140           getId(),
141           getFormalName(),
142           getDescription(),
143           ObjectUtils.notNull(getSource()),
144           getLevel(),
145           getTarget(),
146           getProperties(),
147           ObjectUtils.notNull(getIndexName()),
148           getKeyFields(),
149           getRemarks());
150     }
151   }
152 }