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.db4ounit.common.btree;
22:
23: import com.db4o.foundation.*;
24: import com.db4o.internal.*;
25: import com.db4o.internal.freespace.*;
26: import com.db4o.internal.slots.*;
27:
28: public class FreespaceManagerForDebug extends AbstractFreespaceManager {
29:
30: private final SlotListener _listener;
31:
32: public FreespaceManagerForDebug(LocalObjectContainer file,
33: SlotListener listener) {
34: super (file);
35: _listener = listener;
36: }
37:
38: public Slot allocateTransactionLogSlot(int length) {
39: return null;
40: }
41:
42: public void freeTransactionLogSlot(Slot slot) {
43:
44: }
45:
46: public void beginCommit() {
47:
48: }
49:
50: public void commit() {
51:
52: }
53:
54: public void endCommit() {
55:
56: }
57:
58: public int slotCount() {
59: return 0;
60: }
61:
62: public void free(Slot slot) {
63: _listener.onFree(slot);
64: }
65:
66: public void freeSelf() {
67:
68: }
69:
70: public Slot getSlot(int length) {
71: return null;
72: }
73:
74: public int onNew(LocalObjectContainer file) {
75: return 0;
76: }
77:
78: public void read(int freeSlotsID) {
79:
80: }
81:
82: public void start(int slotAddress) {
83:
84: }
85:
86: public byte systemType() {
87: return FM_DEBUG;
88: }
89:
90: public void traverse(Visitor4 visitor) {
91:
92: }
93:
94: public int write() {
95: return 0;
96: }
97:
98: }
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