Method: static {...}

1: /**
2: * Copyright (C) 2022 Czech Technical University in Prague
3: *
4: * This program is free software: you can redistribute it and/or modify it under
5: * the terms of the GNU General Public License as published by the Free Software
6: * Foundation, either version 3 of the License, or (at your option) any
7: * later version.
8: *
9: * This program is distributed in the hope that it will be useful, but WITHOUT
10: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12: * details. You should have received a copy of the GNU General Public License
13: * along with this program. If not, see <http://www.gnu.org/licenses/>.
14: */
15: package cz.cvut.kbss.ontodriver.model;
16:
17: import java.net.URI;
18: import java.util.Random;
19:
20: class PropertyAssertion extends Assertion {
21:
22: private static final URI UNSPECIFIED_PROPERTY = URI.create("http://" + Math.abs(new Random().nextInt()));
23:
24: PropertyAssertion(boolean isInferred) {
25: super(UNSPECIFIED_PROPERTY, isInferred);
26: }
27:
28: PropertyAssertion(String language, boolean isInferred) {
29: super(UNSPECIFIED_PROPERTY, language, isInferred);
30: }
31:
32: PropertyAssertion(URI identifier, boolean isInferred) {
33: super(identifier, isInferred);
34: }
35:
36: PropertyAssertion(URI identifier, String language, boolean isInferred) {
37: super(identifier, language, isInferred);
38: }
39:
40: @Override
41: public AssertionType getType() {
42: return AssertionType.PROPERTY;
43: }
44:
45: @Override
46: public int hashCode() {
47: int prime = 31;
48: return prime * super.hashCode();
49: }
50:
51: @Override
52: public boolean equals(Object obj) {
53: return this == obj || super.equals(obj) && getClass() == obj.getClass();
54: }
55:
56: @Override
57: public String toString() {
58: return super.toString() + (language != null ? " @" + language : "");
59: }
60: }