01: /**
02: * com.mckoi.database.global.BlobAccessor 20 Jan 2003
03: *
04: * Mckoi SQL Database ( http://www.mckoi.com/database )
05: * Copyright (C) 2000, 2001, 2002 Diehl and Associates, Inc.
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * Version 2 as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License Version 2 for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * Version 2 along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19: *
20: * Change Log:
21: *
22: *
23: */package com.mckoi.database.global;
24:
25: /**
26: * An interface that provides access to basic information about a BLOB so that
27: * we may compare BLOBs implemented in different ways.
28: *
29: * @author Tobias Downer
30: */
31:
32: public interface BlobAccessor {
33:
34: /**
35: * Returns the size of the BLOB.
36: */
37: int length();
38:
39: /**
40: * Returns an InputStream that allows us to read the contents of the blob
41: * from start to finish. This object should be wrapped in a
42: * BufferedInputStream if 'read()' type efficiency is required.
43: */
44: java.io.InputStream getInputStream();
45:
46: }
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