org.topbraid.jenax.util

Class DiffGraph

java.lang.Object

org.apache.jena.graph.impl.WrappedGraph

org.topbraid.jenax.util.TransparentWrappedGraph

org.topbraid.jenax.util.DiffGraph

All Implemented Interfaces:

org.apache.jena.graph.Graph, org.apache.jena.graph.impl.GraphWithPerform

public class DiffGraph
extends TransparentWrappedGraph

A WrappedGraph that filters out deleted triples or adds added triples, without modifying the underlying base graph. Similar to BufferingGraph in TopBraid, but with minimal code dependencies and simpler contracts that are just right for use in SPARQLMotion.

Author:

Holger Knublauch

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.jena.graph.impl.GraphWithPerform	addedGraph This graph has additional triples that are not in the delegate.
protected Set<org.apache.jena.graph.Triple>	deletedTriples This Set has triples that are in the delegate but are excluded from the filtered graph.

Fields inherited from class org.apache.jena.graph.impl.WrappedGraph

base, gem

Fields inherited from interface org.apache.jena.graph.Graph

emptyGraph

Constructor Summary

Constructors

Constructor and Description
DiffGraph(org.apache.jena.graph.Graph base)

Method Summary

Modifier and Type	Method and Description
void	add(org.apache.jena.graph.Triple t)
boolean	contains(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
boolean	contains(org.apache.jena.graph.Triple t)
protected boolean	containsByEquals(org.apache.jena.graph.Graph g, org.apache.jena.graph.Triple t)
void	delete(org.apache.jena.graph.Triple t)
org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple>	find(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple>	find(org.apache.jena.graph.Triple m)
org.apache.jena.graph.Graph	getAddedGraph()
Set<org.apache.jena.graph.Triple>	getDeletedTriples()
org.apache.jena.shared.PrefixMapping	getPrefixMapping()
boolean	isEmpty()
boolean	isIsomorphicWith(org.apache.jena.graph.Graph g)
void	performAdd(org.apache.jena.graph.Triple t)
void	performDelete(org.apache.jena.graph.Triple t)
int	size()

Methods inherited from class org.topbraid.jenax.util.TransparentWrappedGraph

getDelegate

Methods inherited from class org.apache.jena.graph.impl.WrappedGraph

clear, close, dependsOn, getCapabilities, getEventManager, getStatisticsHandler, getTransactionHandler, getWrapped, isClosed, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jena.graph.Graph

find

Field Detail

addedGraph

protected org.apache.jena.graph.impl.GraphWithPerform addedGraph

This graph has additional triples that are not in the delegate.

deletedTriples

protected Set<org.apache.jena.graph.Triple> deletedTriples

This Set has triples that are in the delegate but are excluded from the filtered graph.

Constructor Detail

DiffGraph

public DiffGraph(org.apache.jena.graph.Graph base)

Method Detail

add

public void add(org.apache.jena.graph.Triple t)

Specified by:

add in interface org.apache.jena.graph.Graph

Overrides:

add in class org.apache.jena.graph.impl.WrappedGraph

delete

public void delete(org.apache.jena.graph.Triple t)

Specified by:

delete in interface org.apache.jena.graph.Graph

Overrides:

delete in class org.apache.jena.graph.impl.WrappedGraph

getAddedGraph

public org.apache.jena.graph.Graph getAddedGraph()

contains

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

Specified by:

contains in interface org.apache.jena.graph.Graph

Overrides:

contains in class org.apache.jena.graph.impl.WrappedGraph

contains

public boolean contains(org.apache.jena.graph.Triple t)

Specified by:

contains in interface org.apache.jena.graph.Graph

Overrides:

contains in class org.apache.jena.graph.impl.WrappedGraph

containsByEquals

protected boolean containsByEquals(org.apache.jena.graph.Graph g,
                                   org.apache.jena.graph.Triple t)

find

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

Specified by:

find in interface org.apache.jena.graph.Graph

Overrides:

find in class org.apache.jena.graph.impl.WrappedGraph

find

public org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple> find(org.apache.jena.graph.Triple m)

Specified by:

find in interface org.apache.jena.graph.Graph

Overrides:

find in class org.apache.jena.graph.impl.WrappedGraph

getDeletedTriples

public Set<org.apache.jena.graph.Triple> getDeletedTriples()

getPrefixMapping

public org.apache.jena.shared.PrefixMapping getPrefixMapping()

Specified by:

getPrefixMapping in interface org.apache.jena.graph.Graph

Overrides:

getPrefixMapping in class org.apache.jena.graph.impl.WrappedGraph

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface org.apache.jena.graph.Graph

Overrides:

isEmpty in class org.apache.jena.graph.impl.WrappedGraph

isIsomorphicWith

public boolean isIsomorphicWith(org.apache.jena.graph.Graph g)

Specified by:

isIsomorphicWith in interface org.apache.jena.graph.Graph

Overrides:

isIsomorphicWith in class org.apache.jena.graph.impl.WrappedGraph

performAdd

public void performAdd(org.apache.jena.graph.Triple t)

Specified by:

performAdd in interface org.apache.jena.graph.impl.GraphWithPerform

Overrides:

performAdd in class org.apache.jena.graph.impl.WrappedGraph

performDelete

public void performDelete(org.apache.jena.graph.Triple t)

Specified by:

performDelete in interface org.apache.jena.graph.impl.GraphWithPerform

Overrides:

performDelete in class org.apache.jena.graph.impl.WrappedGraph

size

public int size()

Specified by:

size in interface org.apache.jena.graph.Graph

Overrides:

size in class org.apache.jena.graph.impl.WrappedGraph