it.uniroma2.art.owlart.query
Class QueryLanguage

java.lang.Object
  it.uniroma2.art.owlart.query.QueryLanguage

public class QueryLanguage
extends java.lang.Object

This class is both a definition class for query languages as well as a static container for languages which can be accepted by a specific RDF triple store technology

Author:

Armando Stellato

Field Summary

static QueryLanguage

SPARQL the SPARQL query language, the standard RDF query language recommended by W3C

Method Summary

java.lang.String	getName() returns the name of the Query Language
static QueryLanguage	parseLanguage(java.lang.String ql) given a string identifier, returns the query language associated to it in this class registry
static void	registerNewLanguage(java.lang.String langName) this method can be used by developers of new triple store technology adapters for OWL Art API, to register a new query language which can be accepted by their wrapped technology
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

SPARQL

public static final QueryLanguage SPARQL

the SPARQL query language, the standard RDF query language recommended by W3C

Method Detail

getName

public java.lang.String getName()

returns the name of the Query Language

Returns:

registerNewLanguage

public static void registerNewLanguage(java.lang.String langName)

this method can be used by developers of new triple store technology adapters for OWL Art API, to register a new query language which can be accepted by their wrapped technology

Parameters:

langName -

parseLanguage

public static QueryLanguage parseLanguage(java.lang.String ql)

given a string identifier, returns the query language associated to it in this class registry

Parameters:

ql -

Returns:

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object