com.bigdata.rdf.vocab
Interface Vocabulary

All Known Implementing Classes:

BaseVocabulary, BSBMVocabulary, LUBMVocabulary, NoVocabulary, RDFSVocabulary, SampleVocab

public interface Vocabulary

Interface for a pre-defined vocabulary.

Version:

$Id: Vocabulary.java 4642 2011-06-08 17:38:38Z thompsonbry $

Author:

Bryan Thompson

Method Summary

Value	asValue(IV iv) Reverse lookup of an IV defined by this vocabulary.
IV	get(Value value) The term identifier for the pre-defined Value.
IConstant<IV>	getConstant(Value value) Returns the IConstant for the Value.
String	getNamespace() The namespace of the owning LexiconRelation.
int	size() The #of defined Values.
Iterator<? extends Value>	values() The Values in an arbitrary order.

Method Detail

getNamespace

String getNamespace()

The namespace of the owning LexiconRelation.

Returns:

size

int size()

The #of defined Values.

Throws:

IllegalStateException - if the values have not been defined.

values

Iterator<? extends Value> values()

The Values in an arbitrary order.

Throws:

IllegalStateException - if the values have not been defined.

get

IV get(Value value)

The term identifier for the pre-defined Value.

Parameters:

value - The value.

Returns:

The IV for that Value -or- null if the Value was not defined by this Vocabulary.

getConstant

IConstant<IV> getConstant(Value value)

Returns the IConstant for the Value.

Parameters:

value - The value.

Returns:

The IConstant.

Throws:

IllegalArgumentException - if that Value is not defined for this vocabulary.

asValue

Value asValue(IV iv)

Reverse lookup of an IV defined by this vocabulary.

Parameters:

iv - The IV.

Returns:

The BigdataValue -or- null if the IV was not defined by the vocabulary.

Since:

TERMS_REFACTOR_BRANCH