jdbm.recman
Interface Magic

public interface Magic

This interface contains magic cookies.

Field Summary

static short	BLOCK Magic for blocks.
static short	FILE_HEADER Magic cookie at start of file
static short	FREE_PAGE Magics for blocks in certain lists.
static short	FREELOGIDS_PAGE
static short	FREEPHYSIDS_PAGE
static short	LOGFILE_HEADER Magic for transaction file
static long	MAX_BLOCKS Maximum number of blocks in a file, leaving room for a 16 bit offset encoded within a long.
static short	NLISTS Number of lists in a file
static short	SZ_BYTE Size of an externalized byte
static short	SZ_INT Size of an externalized int
static short	SZ_LONG Size of an externalized long
static short	SZ_SHORT Size of an externalized short
static short	TRANSLATION_PAGE
static short	USED_PAGE

Field Detail

FILE_HEADER

static final short FILE_HEADER

Magic cookie at start of file

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Constant Field Values

BLOCK

static final short BLOCK

Magic for blocks. They're offset by the block type magic codes.

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FREE_PAGE

static final short FREE_PAGE

Magics for blocks in certain lists. Offset by baseBlockMagic

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USED_PAGE

static final short USED_PAGE

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TRANSLATION_PAGE

static final short TRANSLATION_PAGE

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FREELOGIDS_PAGE

static final short FREELOGIDS_PAGE

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FREEPHYSIDS_PAGE

static final short FREEPHYSIDS_PAGE

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NLISTS

static final short NLISTS

Number of lists in a file

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MAX_BLOCKS

static final long MAX_BLOCKS

Maximum number of blocks in a file, leaving room for a 16 bit offset encoded within a long.

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LOGFILE_HEADER

static final short LOGFILE_HEADER

Magic for transaction file

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SZ_BYTE

static final short SZ_BYTE

Size of an externalized byte

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SZ_SHORT

static final short SZ_SHORT

Size of an externalized short

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SZ_INT

static final short SZ_INT

Size of an externalized int

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SZ_LONG

static final short SZ_LONG

Size of an externalized long

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