Package: ManagedTypeValueMerger

ManagedTypeValueMerger

name	instruction	branch	complexity	line	method
ManagedTypeValueMerger(UnitOfWorkImpl)	M: 0 C: 6 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 3 100%	M: 0 C: 1 100%
getValueToSet(Object, Descriptor)	M: 0 C: 30 100%	M: 0 C: 6 100%	M: 0 C: 4 100%	M: 0 C: 8 100%	M: 0 C: 1 100%
mergeValue(FieldSpecification, Object, Object, Object, Descriptor)	M: 0 C: 11 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 3 100%	M: 0 C: 1 100%

Coverage

1: /**
2: * Copyright (C) 2016 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.jopa.sessions.merge;
16:
17: import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
18: import cz.cvut.kbss.jopa.model.metamodel.FieldSpecification;
19: import cz.cvut.kbss.jopa.sessions.UnitOfWorkImpl;
20: import cz.cvut.kbss.jopa.utils.EntityPropertiesUtils;
21:
22: class ManagedTypeValueMerger implements ValueMerger {
23:
24: private final UnitOfWorkImpl uow;
25:
26: ManagedTypeValueMerger(UnitOfWorkImpl uow) {
27: this.uow = uow;
28: }
29:
30: @Override
31: public void mergeValue(FieldSpecification<?, ?> att, Object target, Object originalValue, Object mergedValue,
32: Descriptor attributeDescriptor) {
33: final Object toSet = getValueToSet(mergedValue, attributeDescriptor);
34: EntityPropertiesUtils.setFieldValue(att.getJavaField(), target, toSet);
35: }
36:
37: Object getValueToSet(Object mergedValue, Descriptor descriptor) {
38:• if (mergedValue == null) {
39: return null;
40: }
41: final Object identifier = EntityPropertiesUtils.getIdentifier(mergedValue, uow.getMetamodel());
42:• if (identifier == null) {
43: return mergedValue;
44: }
45: final Class<?> type = mergedValue.getClass();
46: final Object managedInstance = uow.readObject(type, identifier, descriptor);
47: // If the object cannot be found, it is a new one (not yet registered), which we can assign directly
48:• return managedInstance != null ? managedInstance : mergedValue;
49: }
50: }