Method: addDeletedObjectChangeSet(ObjectChangeSet)

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.change;
16:
17: import cz.cvut.kbss.jopa.sessions.ObjectChangeSet;
18: import cz.cvut.kbss.jopa.sessions.UnitOfWorkChangeSet;
19:
20: import java.util.*;
21:
22: public class UnitOfWorkChangeSetImpl implements UnitOfWorkChangeSet {
23:
24:         private Set<ObjectChangeSet> deletedObjects;
25:         private Map<Object, ObjectChangeSet> objectChanges;
26:         private Set<ObjectChangeSet> newObjectChanges;
27:
28:         public UnitOfWorkChangeSetImpl() {
29:                 super();
30:                 this.objectChanges = new HashMap<>();
31:                 this.deletedObjects = new HashSet<>();
32:                 this.newObjectChanges = new HashSet<>();
33:         }
34:
35:         @Override
36:         public void addObjectChangeSet(ObjectChangeSet objectChangeSet) {
37:                 if (objectChangeSet.isNew()) {
38:                         addNewObjectChangeSet(objectChangeSet);
39:                 } else {
40:                         objectChanges.put(objectChangeSet.getChangedObject(), objectChangeSet);
41:                 }
42:         }
43:
44:         @Override
45:         public void addDeletedObjectChangeSet(ObjectChangeSet deletedObject) {
46:                 deletedObjects.add(deletedObject);
47:         }
48:
49:         @Override
50:         public void addNewObjectChangeSet(ObjectChangeSet newObject) {
51:                 newObject.setNew(true);
52:                 newObjectChanges.add(newObject);
53:         }
54:
55:         @Override
56:         public Collection<ObjectChangeSet> getExistingObjectsChanges() {
57:                 return Collections.unmodifiableCollection(objectChanges.values());
58: }
59:
60: @Override
61: public ObjectChangeSet getExistingObjectChanges(Object original) {
62: return null;
63: }
64:
65: @Override
66:         public Set<ObjectChangeSet> getDeletedObjects() {
67:                 return this.deletedObjects;
68:         }
69:
70:         @Override
71:         public Set<ObjectChangeSet> getNewObjects() {
72:                 return this.newObjectChanges;
73:         }
74:
75:         @Override
76:         public boolean hasDeleted() {
77:                 return !deletedObjects.isEmpty();
78:         }
79:
80:         @Override
81:         public boolean hasChanges() {
82:                 return hasDeleted() || hasNew() || !objectChanges.isEmpty();
83:         }
84:
85:         @Override
86:         public boolean hasNew() {
87:                 return !this.newObjectChanges.isEmpty();
88:         }
89: }