org::openisis::PureDb Class Reference

Inheritance diagram for org::openisis::PureDb:

List of all members.

Public Member Functions
	PureDb (String enc, String dbname, String[] args) throws IOException
Rec	readRow (int rowid)
short	writeRow (Rec row)
short	writeXRow (Rec row, Rec idx)
Rec	scanRow (int rowid, int tag, String txt)
int[]	search (String key, int mode)
Iterator	terms (String prefix)

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Detailed Description

This class is the pure java implementation of class Db. Unfortunately, it's still empty :(

Id

PureDb.java,v 1.4 2003/04/08 00:20:53 kripke Exp

Version:

Revision

1.4

Author:

Author

kripke

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Member Function Documentation

Rec org::openisis::PureDb::readRow

(

int

rowid

)

[inline, virtual]

read a cooked row.

Parameters:

rowid

the mfn

Returns:

a Rec or null, if row not available.

Implements org::openisis::Db.

Rec org::openisis::PureDb::scanRow	(	int	rowid,
		int	tag,
		String	txt
	)			[inline, virtual]

read the first row with rowid >= given rowid and containing txt in subfield tag (any, if 0).

Parameters:

rowid

the mfn

Returns:

a Rec or null, if row not available.

Implements org::openisis::Db.

int [] org::openisis::PureDb::search	(	String	key,
		int	mode
	)			[inline, virtual]

read the array of rowids matching key.

Parameters:

	key	key to look for
	mode	one of the QRY_ constants above. may be ored with a tag<<16 to limit search to that field

Implements org::openisis::Db.

short org::openisis::PureDb::writeRow

(

Rec

rec

)

[inline, virtual]

write a cooked row.

Parameters:

row

the Rec to be written

Returns:

0 if write succeeded, else a negative error code

Implements org::openisis::Db.

short org::openisis::PureDb::writeXRow	(	Rec	rec,
		Rec	idx
	)			[inline, virtual]

write a cooked row together with index information.

Parameters:

row

the Rec to be written

Returns:

0 on success else a negative error code

Implements org::openisis::Db.

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The documentation for this class was generated from the following file:

• contrib/openisis/org/openisis/PureDb.java