com.hp.hpl.jena.sparql.core

Class DatasetGraphSimpleMem

java.lang.Object

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

com.hp.hpl.jena.sparql.core.DatasetGraphBaseFind

com.hp.hpl.jena.sparql.core.DatasetGraphTriplesQuads

com.hp.hpl.jena.sparql.core.DatasetGraphCaching

com.hp.hpl.jena.sparql.core.DatasetGraphSimpleMem

All Implemented Interfaces:

DatasetGraph, Closeable

public class DatasetGraphSimpleMem
extends DatasetGraphCaching

Very simple, non-scalable DatasetGraph implementation of a triples+quads style for testing.

Constructor Summary

Constructors

Constructor and Description
DatasetGraphSimpleMem()

Method Summary

Methods

Modifier and Type	Method and Description
Iterator<Quad>	findInAnyNamedGraphs(Node s, Node p, Node o)
Iterator<Quad>	findInDftGraph(Node s, Node p, Node o)
Iterator<Quad>	findInSpecificNamedGraph(Node g, Node s, Node p, Node o)
Iterator<Node>	listGraphNodes() Iterate over all names of named graphs
static Node	nullAsAny(Node x) Convert null to Node.ANY
static Node	nullAsDft(Node x, Node dft) Convert null to some default Node

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

addGraph, close, containsGraph, getDefaultGraph, getGraph, removeGraph

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

add, add, delete, delete

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

find, findNG

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

contains, contains, deleteAny, find, find, getContext, getLock, isEmpty, setDefaultGraph, size, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DatasetGraphSimpleMem

public DatasetGraphSimpleMem()

Method Detail

findInDftGraph

public Iterator<Quad> findInDftGraph(Node s,
                            Node p,
                            Node o)

findInSpecificNamedGraph

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

findInAnyNamedGraphs

public Iterator<Quad> findInAnyNamedGraphs(Node s,
                                  Node p,
                                  Node o)

nullAsAny

public static Node nullAsAny(Node x)

Convert null to Node.ANY

nullAsDft

public static Node nullAsDft(Node x,
             Node dft)

Convert null to some default Node

listGraphNodes

public Iterator<Node> listGraphNodes()

Description copied from interface: DatasetGraph

Iterate over all names of named graphs