Module org.apache.jena.tdb

Package org.apache.jena.tdb1.store

Class TripleTable

java.lang.Object

org.apache.jena.tdb1.store.TableBase

org.apache.jena.tdb1.store.TripleTable

All Implemented Interfaces:

org.apache.jena.atlas.lib.Closeable, org.apache.jena.atlas.lib.Sync

public class TripleTable
extends TableBase

TripleTable - a collection of TupleIndexes for 3-tuples together with a node table. Normally, based on 3 indexes (SPO, POS, OSP) but other indexing structures can be configured. The node table form can map to and from NodeIds (longs)

Constructor Summary

Constructors

Constructor	Description
TripleTable(TupleIndex[] indexes, NodeTable nodeTable, DatasetControl policy)

Method Summary

Modifier and Type	Method	Description
boolean	add(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
boolean	add(org.apache.jena.graph.Triple triple)
void	clearTriples()	Clear - does not clear the associated node tuple table
boolean	delete(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)	Delete a triple - return true if it was deleted, false if it didn't exist
boolean	delete(org.apache.jena.graph.Triple triple)	Delete a triple - return true if it was deleted, false if it didn't exist
Iterator<org.apache.jena.graph.Triple>	find(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)	Find matching triples

Methods inherited from class org.apache.jena.tdb1.store.TableBase

close, getNodeTupleTable, getPolicy, isEmpty, sync

Methods inherited from class java.lang.Object

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

Constructor Details

TripleTable

public TripleTable(TupleIndex[] indexes,
 NodeTable nodeTable,
 DatasetControl policy)

Method Details

add

public boolean add(org.apache.jena.graph.Triple triple)

add

public boolean add(org.apache.jena.graph.Node s,
 org.apache.jena.graph.Node p,
 org.apache.jena.graph.Node o)

delete

public boolean delete(org.apache.jena.graph.Triple triple)

Delete a triple - return true if it was deleted, false if it didn't exist

delete

public boolean delete(org.apache.jena.graph.Node s,
 org.apache.jena.graph.Node p,
 org.apache.jena.graph.Node o)

Delete a triple - return true if it was deleted, false if it didn't exist

find

public Iterator<org.apache.jena.graph.Triple> find(org.apache.jena.graph.Node s,
 org.apache.jena.graph.Node p,
 org.apache.jena.graph.Node o)

Find matching triples

clearTriples

public void clearTriples()

Clear - does not clear the associated node tuple table