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