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Java > Open Source Codes > com > db4o > SlotReader


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 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;
22
23 import com.db4o.foundation.*;
24
25 /**
26  * @exclude
27  */
28 public interface SlotReader {
29
30     int offset();
31
32     void offset(int offset);
33     void incrementOffset(int numBytes);
34     void incrementIntSize();
35
36     void readBegin(byte identifier);
37     void readEnd();
38
39     byte readByte();
40     void append(byte value);
41
42     int readInt();
43     void writeInt(int value);
44
45     long readLong();
46     void writeLong(long value);
47
48     public BitMap4 readBitMap(int bitCount);
49     
50     void copyBytes(byte[] target,int sourceOffset,int targetOffset,int length);
51 }
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