Package: MapValueMerger

MapValueMerger

name	instruction	branch	complexity	line	method
MapValueMerger()	M: 0 C: 3 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 1 100%	M: 0 C: 1 100%
mergeValue(Object, ChangeRecord, Descriptor)	M: 0 C: 26 100%	M: 0 C: 2 100%	M: 0 C: 2 100%	M: 0 C: 9 100%	M: 0 C: 1 100%

Coverage

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.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.ChangeRecord;
20: import cz.cvut.kbss.jopa.utils.CollectionFactory;
21: import cz.cvut.kbss.jopa.utils.EntityPropertiesUtils;
22:
23: import java.util.Map;
24:
25: public class MapValueMerger implements ValueMerger {
26:
27: @Override
28: public void mergeValue(Object target, ChangeRecord changeRecord, Descriptor attributeDescriptor) {
29: final FieldSpecification<?, ?> att = changeRecord.getAttribute();
30: final Map<?, ?> mergedMap = (Map<?, ?>) changeRecord.getNewValue();
31: // This is a simplified version which will work only for the @Properties attributes
32: // Bus since JOPA does not currently support any other use of Maps, it should be ok
33:
34:• if (mergedMap == null) {
35: EntityPropertiesUtils.setFieldValue(att.getJavaField(), target, null);
36: return;
37: }
38:
39: final Map<Object, Object> newMap = CollectionFactory.createDefaultMap();
40: newMap.putAll(mergedMap);
41: EntityPropertiesUtils.setFieldValue(att.getJavaField(), target, newMap);
42: }
43: }