org.openprovenance.jena
Class TripleStore

java.lang.Object
  org.openprovenance.jena.TripleStore

public class TripleStore
extends Object

A class to set up a Jena triple store and a pellet reasoner + a some helper functions. This code is inspired by Clark & Parsia example to use Pellet with Jena, and by an IBM example to write sparql queries in Jena.

Field Summary

static String	OPMO_NS
static String	OPMV_NS

Constructor Summary

TripleStore()

Method Summary

com.hp.hpl.jena.rdf.model.Model	getModel()
Querier	getQuerier()
void	loadOPMOOntology()
void	loadOPMVOntology()
static void	printIterator(Iterator<?> i, String header)
void	readFile(String url, String lang)
void	readFiles(String[] urls, String lang)
void	readResource(String name, String base, String lang)
void	runQueryAndFormatResult(String queryString)
void	setUp()
Querier	setUpReasonerForFile(String file, String lang, String prefix, String ns) Initializes reasoner with OPMV and OPMO ontology, and loads rdf file.
com.hp.hpl.jena.reasoner.ValidityReport	validate()
void	write(OutputStream os)

Methods inherited from class java.lang.Object

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

Field Detail

OPMO_NS

public static String OPMO_NS

OPMV_NS

public static String OPMV_NS

Constructor Detail

TripleStore

public TripleStore()

Method Detail

setUp

public void setUp()

setUpReasonerForFile

public Querier setUpReasonerForFile(String file,
                                    String lang,
                                    String prefix,
                                    String ns)

Initializes reasoner with OPMV and OPMO ontology, and loads rdf file.

Parameters:

file - url to file

lang - rdf language

prefix - prefix

ns - namespace

Returns:

Querier object

readFile

public void readFile(String url,
                     String lang)

readFiles

public void readFiles(String[] urls,
                      String lang)

readResource

public void readResource(String name,
                         String base,
                         String lang)

printIterator

public static void printIterator(Iterator<?> i,
                                 String header)

validate

public com.hp.hpl.jena.reasoner.ValidityReport validate()

getModel

public com.hp.hpl.jena.rdf.model.Model getModel()

loadOPMVOntology

public void loadOPMVOntology()

loadOPMOOntology

public void loadOPMOOntology()

runQueryAndFormatResult

public void runQueryAndFormatResult(String queryString)

write

public void write(OutputStream os)

getQuerier

public Querier getQuerier()