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.metapath.function;
28
29 import gov.nist.secauto.metaschema.core.metapath.item.IItem;
30
31 import java.util.Objects;
32
33 class SequenceTypeImpl implements ISequenceType {
34 private final Class<? extends IItem> type;
35 private final Occurrence occurrence;
36
37 public SequenceTypeImpl(Class<? extends IItem> type, Occurrence occurrence) {
38 Objects.requireNonNull(type, "type");
39 Objects.requireNonNull(occurrence, "occurrence");
40 this.type = type;
41 this.occurrence = occurrence;
42 }
43
44 @Override
45 public boolean isEmpty() {
46 return false;
47 }
48
49 @Override
50 public Class<? extends IItem> getType() {
51 return type;
52 }
53
54 @Override
55 public Occurrence getOccurrence() {
56 return occurrence;
57 }
58
59 @Override
60 public String toString() {
61 return toSignature();
62 }
63
64 @Override
65 public String toSignature() {
66 StringBuilder builder = new StringBuilder();
67
68 // name
69 builder.append(getType().getName())
70 // occurrence
71 .append(getOccurrence().getIndicator());
72
73 return builder.toString();
74 }
75
76 @Override
77 public int hashCode() {
78 return Objects.hash(occurrence, type);
79 }
80
81 @Override
82 public boolean equals(Object obj) {
83 if (this == obj) {
84 return true; // NOPMD - readability
85 }
86 if (obj == null) {
87 return false; // NOPMD - readability
88 }
89 if (getClass() != obj.getClass()) {
90 return false; // NOPMD - readability
91 }
92 SequenceTypeImpl other = (SequenceTypeImpl) obj;
93 return occurrence == other.occurrence && Objects.equals(type, other.type);
94 }
95 }