Method: populatesAttributes()

1: /*
2: * JOPA
3: * Copyright (C) 2023 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;
19:
20: import cz.cvut.kbss.jopa.adapters.IndirectMultilingualString;
21: import cz.cvut.kbss.jopa.model.MultilingualString;
22: import cz.cvut.kbss.jopa.utils.EntityPropertiesUtils;
23:
24: import java.lang.reflect.Field;
25:
26: class MultilingualStringInstanceBuilder extends AbstractInstanceBuilder {
27:
28: MultilingualStringInstanceBuilder(CloneBuilderImpl builder, UnitOfWorkImpl uow) {
29: super(builder, uow);
30: }
31:
32: @Override
33: Object buildClone(Object cloneOwner, Field field, Object original, CloneConfiguration cloneConfiguration) {
34: if (original == null) {
35: return null;
36: }
37: assert original instanceof MultilingualString;
38: MultilingualString orig = (MultilingualString) original;
39: if (orig instanceof IndirectMultilingualString) {
40: orig = ((IndirectMultilingualString) orig).unwrap();
41: }
42: return new IndirectMultilingualString(cloneOwner, field, uow, new MultilingualString(orig.getValue()));
43: }
44:
45: @Override
46: void mergeChanges(Field field, Object target, Object originalValue, Object cloneValue) {
47: MultilingualString clone = (MultilingualString) cloneValue;
48: if (clone instanceof IndirectMultilingualString) {
49: clone = ((IndirectMultilingualString) clone).unwrap();
50: }
51: EntityPropertiesUtils
52: .setFieldValue(field, target, clone != null ? new MultilingualString(clone.getValue()) : null);
53: }
54:
55: @Override
56: boolean populatesAttributes() {
57: return true;
58: }
59: }