Method: paramsLoaded()

1: /*
2: * JOPA
3: * Copyright (C) 2024 Czech Technical University in Prague
4: *
5: * This library is free software; you can redistribute it and/or
6: * modify it under the terms of the GNU Lesser General Public
7: * License as published by the Free Software Foundation; either
8: * version 3.0 of the License, or (at your option) any later version.
9: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library.
17: */
18: package cz.cvut.kbss.jopa.sessions.util;
19:
20: import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
21:
22: import java.net.URI;
23: import java.util.Objects;
24:
25: public final class LoadingParameters<T> {
26:
27: private final Class<T> cls;
28: private final URI identifier;
29: private final Descriptor descriptor;
30: private final boolean forceEager;
31: private boolean bypassCache;
32:
33: public LoadingParameters(Class<T> cls, URI identifier, Descriptor descriptor) {
34: this.cls = cls;
35: this.identifier = identifier;
36: this.descriptor = descriptor;
37: this.forceEager = false;
38: assert paramsLoaded();
39: }
40:
41: public LoadingParameters(Class<T> cls, URI identifier, Descriptor descriptor, boolean forceEager) {
42: this.cls = cls;
43: this.identifier = identifier;
44: this.descriptor = descriptor;
45: this.forceEager = forceEager;
46: assert paramsLoaded();
47: }
48:
49: private boolean paramsLoaded() {
50:• return cls != null && identifier != null && descriptor != null;
51: }
52:
53: public Class<T> getEntityClass() {
54: return cls;
55: }
56:
57: public URI getIdentifier() {
58: return identifier;
59: }
60:
61: public Descriptor getDescriptor() {
62: return descriptor;
63: }
64:
65: public boolean isForceEager() {
66: return forceEager;
67: }
68:
69: public boolean shouldBypassCache() {
70: return bypassCache;
71: }
72:
73: public void bypassCache() {
74: this.bypassCache = true;
75: }
76:
77: @Override
78: public boolean equals(Object o) {
79: if (this == o) {
80: return true;
81: }
82: if (!(o instanceof LoadingParameters<?> that)) {
83: return false;
84: }
85: if (forceEager != that.forceEager) {
86: return false;
87: }
88: if (bypassCache != that.bypassCache) {
89: return false;
90: }
91: return Objects.equals(cls, that.cls) && Objects.equals(identifier, that.identifier) &&
92: Objects.equals(descriptor, that.descriptor);
93: }
94:
95: @Override
96: public int hashCode() {
97: int result = cls.hashCode();
98: result = 31 * result + identifier.hashCode();
99: result = 31 * result + descriptor.hashCode();
100: result = 31 * result + (forceEager ? 1 : 0);
101: result = 31 * result + (bypassCache ? 1 : 0);
102: return result;
103: }
104: }