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.marshall;
22:
23: /**
24: * a buffer interface with methods to read.
25: */
26: public interface ReadBuffer {
27:
28: /**
29: * reads a byte from the buffer.
30: * @return the byte
31: */
32: byte readByte();
33:
34: /**
35: * reads an array of bytes from the buffer.
36: * The length of the array that is passed as a parameter specifies the
37: * number of bytes that are to be read. The passed bytes buffer parameter
38: * is directly filled.
39: * @param bytes the byte array to read the bytes into.
40: */
41: void readBytes(byte[] bytes);
42:
43: /**
44: * reads an int from the buffer.
45: * @return the int
46: */
47: int readInt();
48:
49: /**
50: * reads a long from the buffer.
51: * @return the long
52: */
53: long readLong();
54:
55: }
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