org.apache.xindice.core.meta.inline
Class NullWriter

java.lang.Object
  org.apache.xindice.core.meta.inline.NullWriter

All Implemented Interfaces:

InlineMetaWriter

public class NullWriter

extends Object

implements InlineMetaWriter

Write metadata of length zero. Handy for comparing performance of the metadata-free database with a database using the metadata machinery but containing no metadata.

Version:

$Revision: 541508 $, $Date: 2007-05-24 21:54:12 -0400 (Thu, 24 May 2007) $

Constructor Summary

NullWriter()

Method Summary

byte[]	getMetadata(InlineMetaMap map) Create the metadata.
int	getVersion() The header version created by the implementing writer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullWriter

public NullWriter()

Method Detail

getVersion

public int getVersion()

Description copied from interface: InlineMetaWriter

The header version created by the implementing writer.

Specified by:

getVersion in interface InlineMetaWriter

See Also:

InlineMetaWriter.getVersion()

getMetadata

public byte[] getMetadata(InlineMetaMap map)
                   throws InlineMetaException

Description copied from interface: InlineMetaWriter

Create the metadata. The contents are drawn from the map.

Specified by:

getMetadata in interface InlineMetaWriter

Parameters:

map - from which the metadata is drawn

Throws:

InlineMetaException - if the map is not usable by this writer, or is missing required entries.

See Also:

InlineMetaWriter.getMetadata(InlineMetaMap)