Package: ValueMerger

ValueMerger

Coverage

1: /*
2: * Copyright (C) 2023 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.sessions.ChangeRecord;
19:
20: @FunctionalInterface
21: public interface ValueMerger {
22:
23: /**
24: * Merges new value specified by the change record into the target object.
25: * <p>
26: * Note that the change record may be modified during the merge (e.g., in case the new value is a detached instance of a managed type and
27: * a corresponding object needs to be loaded from the underlying repository).
28: *
29: * @param target Target of the merge
30: * @param changeRecord Description of the change (including the new value)
31: * @param attributeDescriptor Specifies context of the merged attribute
32: */
33: void mergeValue(Object target, ChangeRecord changeRecord, Descriptor attributeDescriptor);
34: }