org.trippi.impl.kowari
Class KowariSession

java.lang.Object
  org.trippi.impl.kowari.KowariSession

All Implemented Interfaces:

TriplestoreSession

public class KowariSession
extends java.lang.Object
implements TriplestoreSession

A TriplestoreSession that wraps a Kowari session and an associated Jena Model (for RDQL query support).

Author:

cwilper@cs.cornell.edu

Constructor Summary

KowariSession(org.kowari.store.DatabaseSession dbSession, java.net.URI modelURI, java.net.URI textModelURI, com.hp.hpl.jena.rdf.model.Model jenaModel, AliasManager aliasManager)
Construct a local Kowari session.

KowariSession(org.kowari.server.Session session, java.net.URI modelURI, java.net.URI textModelURI, com.hp.hpl.jena.rdf.model.Model jenaModel, AliasManager aliasManager)
Construct a remote Kowari session.

Method Summary

void	add(java.util.Set triples) Add the given triples to the store.
void	close() Close the session, releasing any resources.
void	delete(java.util.Set triples) Delete the given triples from the store.
void	finalize() Ensure close() gets called at garbage collection time.
TripleIterator	findTriples(java.lang.String lang, java.lang.String queryText)
TripleIterator	findTriples(org.jrdf.graph.SubjectNode subject, org.jrdf.graph.PredicateNode predicate, org.jrdf.graph.ObjectNode object)
org.jrdf.graph.GraphElementFactory	getElementFactory()
java.lang.String[]	listTripleLanguages()
java.lang.String[]	listTupleLanguages()
TupleIterator	query(java.lang.String queryText, java.lang.String language) Perform a tuple query against the store.
static java.lang.String	toString(org.jrdf.graph.Node node)

Methods inherited from class java.lang.Object

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

Constructor Detail

KowariSession

public KowariSession(org.kowari.store.DatabaseSession dbSession,
                     java.net.URI modelURI,
                     java.net.URI textModelURI,
                     com.hp.hpl.jena.rdf.model.Model jenaModel,
                     AliasManager aliasManager)

Construct a local Kowari session.

Parameters:

jenaModel - the Jena Model to use for RDQL queries. If null, this session won't support RDQL queries.

KowariSession

public KowariSession(org.kowari.server.Session session,
                     java.net.URI modelURI,
                     java.net.URI textModelURI,
                     com.hp.hpl.jena.rdf.model.Model jenaModel,
                     AliasManager aliasManager)

Construct a remote Kowari session.

Parameters:

jenaModel - the Jena Model to use for RDQL queries. If null, this session won't support RDQL queries.

Throws:

org.jrdf.graph.GraphException

Method Detail

getElementFactory

public org.jrdf.graph.GraphElementFactory getElementFactory()
                                                     throws org.jrdf.graph.GraphException

Throws:

org.jrdf.graph.GraphException

listTupleLanguages

public java.lang.String[] listTupleLanguages()

Specified by:

listTupleLanguages in interface TriplestoreSession

listTripleLanguages

public java.lang.String[] listTripleLanguages()

Specified by:

listTripleLanguages in interface TriplestoreSession

add

public void add(java.util.Set triples)
         throws TrippiException

Description copied from interface: TriplestoreSession

Add the given triples to the store.

Specified by:

add in interface TriplestoreSession

Parameters:

triples - a Set of Triple objects.

Throws:

TrippiException - if adding to the store otherwise failed.

delete

public void delete(java.util.Set triples)
            throws TrippiException

Description copied from interface: TriplestoreSession

Delete the given triples from the store.

Specified by:

delete in interface TriplestoreSession

Parameters:

triples - a Set of Triple objects.

Throws:

TrippiException - if deleting from the store failed.

findTriples

public TripleIterator findTriples(org.jrdf.graph.SubjectNode subject,
                                  org.jrdf.graph.PredicateNode predicate,
                                  org.jrdf.graph.ObjectNode object)
                           throws TrippiException

Specified by:

findTriples in interface TriplestoreSession

Throws:

TrippiException

findTriples

public TripleIterator findTriples(java.lang.String lang,
                                  java.lang.String queryText)
                           throws TrippiException

Specified by:

findTriples in interface TriplestoreSession

Throws:

TrippiException

query

public TupleIterator query(java.lang.String queryText,
                           java.lang.String language)
                    throws TrippiException

Description copied from interface: TriplestoreSession

Perform a tuple query against the store.

Specified by:

query in interface TriplestoreSession

Parameters:

queryText - the text of the query

language - the query language

Throws:

TrippiException

close

public void close()
           throws TrippiException

Description copied from interface: TriplestoreSession

Close the session, releasing any resources.

Specified by:

close in interface TriplestoreSession

Throws:

TrippiException

finalize

public void finalize()
              throws TrippiException

Ensure close() gets called at garbage collection time.

Overrides:

finalize in class java.lang.Object

Throws:

TrippiException

toString

public static java.lang.String toString(org.jrdf.graph.Node node)