com.bigdata.rdf.internal

Class DefaultExtensionFactory

java.lang.Object

com.bigdata.rdf.internal.DefaultExtensionFactory

All Implemented Interfaces:

IExtensionFactory

Direct Known Subclasses:

BSBMExtensionFactory, CompressedTimestampExtensionFactory

public class DefaultExtensionFactory
extends Object
implements IExtensionFactory

Default IExtensionFactory. The following extensions are supported:

DateTimeExtension

Inlining literals which represent xsd:dateTime values into the statement indices.

XSDStringExtension

Inlining xsd:string literals into the statement indices.

DerivedNumericsExtension

Inlining literals which represent derived numeric values into the statement indices.

Constructor Summary

Constructors

Constructor and Description
DefaultExtensionFactory()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	_init(IDatatypeURIResolver resolver, ILexiconConfiguration<BigdataValue> config, Collection<IExtension<? extends BigdataValue>> extensions) Give subclasses a chance to add extensions.
Iterator<IExtension<? extends BigdataValue>>	getExtensions() Return the supported extensions.
void	init(IDatatypeURIResolver resolver, ILexiconConfiguration<BigdataValue> config) This will be called very early in the IExtensionFactory lifecycle so that the BlobIVs for the IExtension's datatype URIs will be on hand when needed.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultExtensionFactory

public DefaultExtensionFactory()

Method Detail

init

public void init(IDatatypeURIResolver resolver,
        ILexiconConfiguration<BigdataValue> config)

Description copied from interface: IExtensionFactory

This will be called very early in the IExtensionFactory lifecycle so that the BlobIVs for the IExtension's datatype URIs will be on hand when needed. Also gets other relevant configuration information from the lexicon such as whether or not to inline xsd:datetimes and what timezone to use to do so.

Specified by:

init in interface IExtensionFactory

Parameters:

resolver - The interface used to resolve an URI to an BigdataURI.

config - The ILexiconConfiguration.

_init

protected void _init(IDatatypeURIResolver resolver,
         ILexiconConfiguration<BigdataValue> config,
         Collection<IExtension<? extends BigdataValue>> extensions)

Give subclasses a chance to add extensions.

Parameters:

resolver - IDatatypeURIResolver from init(IDatatypeURIResolver, ILexiconConfiguration).

config - The ILexiconConfiguration from init(IDatatypeURIResolver, ILexiconConfiguration).

extensions - The extensions that have already been registered.

See Also:

init(IDatatypeURIResolver, ILexiconConfiguration)

getExtensions

public Iterator<IExtension<? extends BigdataValue>> getExtensions()

Description copied from interface: IExtensionFactory

Return the supported extensions.

Specified by:

getExtensions in interface IExtensionFactory