| /** |
| * JDBM LICENSE v1.00 |
| * |
| * Redistribution and use of this software and associated documentation |
| * ("Software"), with or without modification, are permitted provided |
| * that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain copyright |
| * statements and notices. Redistributions must also contain a |
| * copy of this document. |
| * |
| * 2. Redistributions in binary form must reproduce the |
| * above copyright notice, this list of conditions and the |
| * following disclaimer in the documentation and/or other |
| * materials provided with the distribution. |
| * |
| * 3. The name "JDBM" must not be used to endorse or promote |
| * products derived from this Software without prior written |
| * permission of Cees de Groot. For written permission, |
| * please contact cg@cdegroot.com. |
| * |
| * 4. Products derived from this Software may not be called "JDBM" |
| * nor may "JDBM" appear in their names without prior written |
| * permission of Cees de Groot. |
| * |
| * 5. Due credit should be given to the JDBM Project |
| * (http://jdbm.sourceforge.net/). |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS |
| * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Copyright 2000 (C) Cees de Groot. All Rights Reserved. |
| * Contributions are Copyright (C) 2000 by their associated contributors. |
| * |
| * $Id: Magic.java,v 1.1 2000/05/06 00:00:31 boisvert Exp $ |
| */ |
| |
| package jdbm.recman; |
| |
| /** |
| * This interface contains magic cookies. |
| */ |
| public interface Magic { |
| /** Magic cookie at start of file */ |
| public short FILE_HEADER = 0x1350; |
| |
| /** Magic for blocks. They're offset by the block type magic codes. */ |
| public short BLOCK = 0x1351; |
| |
| /** Magics for blocks in certain lists. Offset by baseBlockMagic */ |
| short FREE_PAGE = 0; |
| short USED_PAGE = 1; |
| short TRANSLATION_PAGE = 2; |
| short FREELOGIDS_PAGE = 3; |
| short FREEPHYSIDS_PAGE = 4; |
| |
| /** Number of lists in a file */ |
| public short NLISTS = 5; |
| |
| /** |
| * Maximum number of blocks in a file, leaving room for a 16 bit |
| * offset encoded within a long. |
| */ |
| long MAX_BLOCKS = 0x7FFFFFFFFFFFL; |
| |
| /** Magic for transaction file */ |
| short LOGFILE_HEADER = 0x1360; |
| |
| /** Size of an externalized byte */ |
| public short SZ_BYTE = 1; |
| /** Size of an externalized short */ |
| public short SZ_SHORT = 2; |
| /** Size of an externalized int */ |
| public short SZ_INT = 4; |
| /** Size of an externalized long */ |
| public short SZ_LONG = 8; |
| } |