org::openisis::NativeDb Class Reference

Inheritance diagram for org::openisis::NativeDb:

List of all members.

Classes
class	TermIterator
Public Member Functions
byte[]	cvt (String txt)
String	cvt (byte[] b)
	NativeDb (String enc, String dbname, String[] args) throws IOException
Rec	readRow (int rowid)
short	writeRow (Rec rec)
short	writeXRow (Rec rec, Rec idx)
Rec	scanRow (int rowid, int tag, String txt)
int[]	search (String key, int mode)
Iterator	terms (String prefix)
Public Attributes
final short	db
Package Functions
Rec	mkRow (Object[] buf)
Object[]	mkBuf (Rec rec)
Static Package Functions
	[static initializer]

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Detailed Description

This class is the native implementation of class Db.

Installation

The shared library "openjsis" must be loadable. On a UNIX System, make sure that the file libopenjsis.so resides in a directory listed by the environment variable LD_LIBRARY_PATH or in /etc/ld.so.conf. If you just drop it in /usr/lib or similar dir, you may have to run a command like ldconfig.

On Windows, put openjsis.dll somewhere in the PATH.

Id

NativeDb.java,v 1.5 2003/04/08 00:20:53 kripke Exp

Version:

Revision

1.5

Author:

Author

kripke

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Member Function Documentation

Rec org::openisis::NativeDb::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::NativeDb::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::NativeDb::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::NativeDb::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::NativeDb::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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Member Data Documentation

final short org::openisis::NativeDb::db

Number of this db.

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

• contrib/openisis/org/openisis/NativeDb.java