01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.internal;
22:
23: import com.db4o.internal.slots.*;
24:
25: /**
26: * TODO: Check if all time-consuming stuff is overridden!
27: */
28: class TransactionObjectCarrier extends LocalTransaction {
29:
30: TransactionObjectCarrier(ObjectContainerBase container,
31: Transaction parentTransaction,
32: TransactionalReferenceSystem referenceSystem) {
33: super (container, parentTransaction, referenceSystem);
34: }
35:
36: public void commit() {
37: // do nothing
38: }
39:
40: public void slotFreeOnCommit(int id, Slot slot) {
41: // do nothing
42: }
43:
44: public void slotFreeOnRollback(int id, Slot slot) {
45: // do nothing
46: }
47:
48: void produceUpdateSlotChange(int id, Slot slot) {
49: setPointer(id, slot);
50: }
51:
52: void slotFreeOnRollbackCommitSetPointer(int id, Slot slot,
53: boolean forFreespace) {
54: setPointer(id, slot);
55: }
56:
57: void slotFreePointerOnCommit(int a_id, Slot slot) {
58: // do nothing
59: }
60:
61: public void slotFreePointerOnCommit(int a_id) {
62: // do nothing
63: }
64:
65: public void setPointer(int a_id, Slot slot) {
66: writePointer(a_id, slot);
67: }
68:
69: boolean supportsVirtualFields() {
70: return false;
71: }
72:
73: }
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