com.knowledgebooks.triple_store
Class TrippleStoreSesameManager

java.lang.Object
  com.knowledgebooks.triple_store.TrippleStoreSesameManager

public class TrippleStoreSesameManager
extends java.lang.Object

Wrapper class for an embedded Sesame RDF data store.

Copyright 2002-2008 by Mark Watson. All rights reserved.

This software is not public domain. It can be legally used under either of the following licenses:

1. KnowledgeBooks.com Non Commercial Royality Free License
2. KnowledgeBooks.com Commercial Use License

see www.knowledgebooks.com for details

Constructor Summary

TrippleStoreSesameManager(java.lang.String data_store_file_root)

TrippleStoreSesameManager(java.lang.String data_store_file_root, boolean clear_index_if_exists)

Method Summary

void	addTriple(org.openrdf.model.URI subject, org.openrdf.model.URI predicate, org.openrdf.model.Literal object)
void	addTriple(org.openrdf.model.URI subject, org.openrdf.model.URI predicate, org.openrdf.model.URI object)
void	addTripleFromPlainText(java.lang.String document_uri, java.lang.String text) Code to use entity extraction to create RDF data
void	addTripleUriUriLiteral(java.lang.String subject, java.lang.String predicate, java.lang.String object)
void	addTripleUriUriUri(java.lang.String subject, java.lang.String predicate, java.lang.String object)
void	close()
java.lang.String	doSparqlQuery(java.lang.String sparql_query) Perform a SPARQL query:
org.openrdf.model.ValueFactory	getValueFactory()

Methods inherited from class java.lang.Object

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

Constructor Detail

TrippleStoreSesameManager

public TrippleStoreSesameManager(java.lang.String data_store_file_root)
                          throws org.openrdf.repository.RepositoryException,
                                 java.io.IOException,
                                 org.openrdf.rio.RDFParseException

Parameters:

data_store_file_root -

Throws:

org.openrdf.repository.RepositoryException

java.io.IOException

org.openrdf.rio.RDFParseException

TrippleStoreSesameManager

public TrippleStoreSesameManager(java.lang.String data_store_file_root,
                                 boolean clear_index_if_exists)
                          throws org.openrdf.repository.RepositoryException,
                                 java.io.IOException,
                                 org.openrdf.rio.RDFParseException

Parameters:

data_store_file_root -

clear_index_if_exists -

Throws:

org.openrdf.repository.RepositoryException

java.io.IOException

org.openrdf.rio.RDFParseException

Method Detail

close

public void close()

addTriple

public void addTriple(org.openrdf.model.URI subject,
                      org.openrdf.model.URI predicate,
                      org.openrdf.model.URI object)
               throws org.openrdf.repository.RepositoryException

Parameters:

subject -

predicate -

object -

Throws:

org.openrdf.repository.RepositoryException

addTriple

public void addTriple(org.openrdf.model.URI subject,
                      org.openrdf.model.URI predicate,
                      org.openrdf.model.Literal object)
               throws org.openrdf.repository.RepositoryException

Parameters:

subject -

predicate -

object -

Throws:

org.openrdf.repository.RepositoryException

getValueFactory

public org.openrdf.model.ValueFactory getValueFactory()

Returns:

addTripleUriUriUri

public void addTripleUriUriUri(java.lang.String subject,
                               java.lang.String predicate,
                               java.lang.String object)
                        throws org.openrdf.repository.RepositoryException

Parameters:

subject -

predicate -

object -

Throws:

org.openrdf.repository.RepositoryException

addTripleUriUriLiteral

public void addTripleUriUriLiteral(java.lang.String subject,
                                   java.lang.String predicate,
                                   java.lang.String object)
                            throws org.openrdf.repository.RepositoryException

Parameters:

subject -

predicate -

object -

Throws:

org.openrdf.repository.RepositoryException

addTripleFromPlainText

public void addTripleFromPlainText(java.lang.String document_uri,
                                   java.lang.String text)
                            throws java.lang.Exception

Code to use entity extraction to create RDF data

Parameters:

document_uri -

text -

Throws:

java.lang.Exception

doSparqlQuery

public java.lang.String doSparqlQuery(java.lang.String sparql_query)
                               throws org.openrdf.repository.RepositoryException,
                                      org.openrdf.query.MalformedQueryException,
                                      org.openrdf.query.QueryEvaluationException

Perform a SPARQL query:

Parameters:

sparql_query -

Returns:

Throws:

org.openrdf.repository.RepositoryException

org.openrdf.query.MalformedQueryException

org.openrdf.query.QueryEvaluationException