org.trippi.impl.mpt
Class MPTSession

java.lang.Object
  org.trippi.impl.mpt.MPTSession

All Implemented Interfaces:

TriplestoreSession

public class MPTSession
extends java.lang.Object
implements TriplestoreSession

Field Summary

static java.lang.String[]	TRIPLE_LANGUAGES
static java.lang.String[]	TUPLE_LANGUAGES

Constructor Summary

MPTSession(org.apache.commons.dbcp.BasicDataSource dbPool, org.nsdl.mptstore.core.DatabaseAdaptor adaptor, int fetchSize)

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.
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)
protected static org.nsdl.mptstore.rdf.Node	jrdfToMPT(org.jrdf.graph.Node jrdfNode)
protected static java.util.Set	jrdfToMPT(java.util.Set jrdfTriples) Convert the given set of JRDF Triple objects to MPT Triple objects.
java.lang.String[]	listTripleLanguages()
java.lang.String[]	listTupleLanguages()
TupleIterator	query(java.lang.String query, java.lang.String lang) Perform a tuple query against the store.

Methods inherited from class java.lang.Object

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

Field Detail

TRIPLE_LANGUAGES

public static final java.lang.String[] TRIPLE_LANGUAGES

TUPLE_LANGUAGES

public static final java.lang.String[] TUPLE_LANGUAGES

Constructor Detail

MPTSession

public MPTSession(org.apache.commons.dbcp.BasicDataSource dbPool,
                  org.nsdl.mptstore.core.DatabaseAdaptor adaptor,
                  int fetchSize)

Method Detail

listTripleLanguages

public java.lang.String[] listTripleLanguages()

Specified by:

listTripleLanguages in interface TriplestoreSession

listTupleLanguages

public java.lang.String[] listTupleLanguages()

Specified by:

listTupleLanguages in interface TriplestoreSession

findTriples

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

Specified by:

findTriples in interface TriplestoreSession

Throws:

TrippiException

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

query

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

Description copied from interface: TriplestoreSession

Perform a tuple query against the store.

Specified by:

query in interface TriplestoreSession

Parameters:

query - the text of the query

lang - the query language

Throws:

TrippiException

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.

jrdfToMPT

protected static java.util.Set jrdfToMPT(java.util.Set jrdfTriples)

Convert the given set of JRDF Triple objects to MPT Triple objects.

jrdfToMPT

protected static org.nsdl.mptstore.rdf.Node jrdfToMPT(org.jrdf.graph.Node jrdfNode)

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