com.hp.hpl.jena.sparql.core

Class DatasetGraphQuad

java.lang.Object

com.hp.hpl.jena.sparql.core.DatasetGraphBase

com.hp.hpl.jena.sparql.core.DatasetGraphQuad

All Implemented Interfaces:

DatasetGraph, Closeable

Direct Known Subclasses:

GraphStoreNull

public abstract class DatasetGraphQuad
extends DatasetGraphBase

A DatasetGraph base class for pure quad-centric storage.

Constructor Summary

Constructors

Constructor and Description
DatasetGraphQuad()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	add(Quad quad) Add a quad
abstract void	delete(Quad quad) Delete a quad
abstract Iterator<Quad>	find(Node g, Node s, Node p, Node o) Find matching quads in the dataset (including default graph) - may include wildcards, Node.ANY or null
abstract Iterator<Quad>	findNG(Node g, Node s, Node p, Node o) Find matching quads in the dataset in named graphs only - may include wildcards, Node.ANY or null
Iterator<Node>	listGraphNodes() Iterate over all names of named graphs
void	removeGraph(Node graphName) Remove all data associated with the named graph

Methods inherited from class com.hp.hpl.jena.sparql.core.DatasetGraphBase

add, addGraph, close, contains, contains, containsGraph, delete, deleteAny, find, find, getContext, getDefaultGraph, getGraph, getLock, isEmpty, setDefaultGraph, size, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DatasetGraphQuad

public DatasetGraphQuad()

Method Detail

listGraphNodes

public Iterator<Node> listGraphNodes()

Description copied from interface: DatasetGraph

Iterate over all names of named graphs

removeGraph

public void removeGraph(Node graphName)

Description copied from interface: DatasetGraph

Remove all data associated with the named graph

Specified by:

removeGraph in interface DatasetGraph

Overrides:

removeGraph in class DatasetGraphBase

find

public abstract Iterator<Quad> find(Node g,
                  Node s,
                  Node p,
                  Node o)

Description copied from interface: DatasetGraph

Find matching quads in the dataset (including default graph) - may include wildcards, Node.ANY or null

See Also:

Graph.find(Node,Node,Node)

findNG

public abstract Iterator<Quad> findNG(Node g,
                    Node s,
                    Node p,
                    Node o)

Description copied from interface: DatasetGraph

Find matching quads in the dataset in named graphs only - may include wildcards, Node.ANY or null

See Also:

Graph.find(Node,Node,Node)

add

public abstract void add(Quad quad)

Description copied from interface: DatasetGraph

Add a quad

Specified by:

add in interface DatasetGraph

Overrides:

add in class DatasetGraphBase

delete

public abstract void delete(Quad quad)

Description copied from interface: DatasetGraph

Delete a quad

Specified by:

delete in interface DatasetGraph

Overrides:

delete in class DatasetGraphBase