com.bigdata.rdf.lexicon

Class IVDocIdExtension

java.lang.Object

com.bigdata.rdf.lexicon.IVDocIdExtension

All Implemented Interfaces:

IKeyBuilderExtension<IV>

public class IVDocIdExtension
extends Object
implements IKeyBuilderExtension<IV>

Implementation provides for the use of IVs in the FullTextIndex.

Version:

$Id$

Author:

Bryan Thompson

Constructor Summary

Constructors

Constructor and Description
IVDocIdExtension()

Method Summary

Methods

Modifier and Type	Method and Description
int	byteLength(IV obj) Return as-encoded byte length of an object.
IV	decode(byte[] key, int off) Decode an object from an unsigned byte[] key.
void	encode(IKeyBuilder keyBuilder, IV obj) Encode the object.

Methods inherited from class java.lang.Object

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

Constructor Detail

IVDocIdExtension

public IVDocIdExtension()

Method Detail

byteLength

public int byteLength(IV obj)

Description copied from interface: IKeyBuilderExtension

Return as-encoded byte length of an object.

Specified by:

byteLength in interface IKeyBuilderExtension<IV>

Parameters:

obj - The object.

Returns:

The byte length when encoded into a component of an unsigned byte[] key.

decode

public IV decode(byte[] key,
        int off)

Description copied from interface: IKeyBuilderExtension

Decode an object from an unsigned byte[] key.

Specified by:

decode in interface IKeyBuilderExtension<IV>

Parameters:

key - The key.

off - The offset of the start of the encoded object.

Returns:

The decoded object.

encode

public void encode(IKeyBuilder keyBuilder,
          IV obj)

Description copied from interface: IKeyBuilderExtension

Encode the object.

Specified by:

encode in interface IKeyBuilderExtension<IV>

Parameters:

keyBuilder - The object being used to encode the key.

obj - The object to be encoded.