Module org.apache.jena.arq

Package org.apache.jena.system.buffering

Class BufferingGraph

java.lang.Object

org.apache.jena.sparql.graph.GraphWrapper

org.apache.jena.system.buffering.BufferingGraph

All Implemented Interfaces:

Graph, BufferingCtl

public class BufferingGraph
extends GraphWrapper
implements BufferingCtl

A graph that buffers changes (including prefixes changes) until flush() or flushDirect() is called.

Field Summary

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

emptyGraph

Constructor Summary

Constructors

Constructor	Description
BufferingGraph(Graph graph)

Method Summary

Modifier and Type	Method	Description
void	add(Triple t)
Graph	base()
boolean	contains(Node s, Node p, Node o)
boolean	contains(Triple triple)
static BufferingGraph	create(Graph graph)
void	delete(Triple t)
ExtendedIterator<Triple>	find(Node s, Node p, Node o)
ExtendedIterator<Triple>	find(Triple m)
void	flush()	Flush the changes to the base graph, using a Graph transaction if possible.
void	flushDirect()	Flush the changes directly to the base graph.
Graph	getAdded()
Set<Triple>	getDeleted()
PrefixMapping	getPrefixMapping()
boolean	isEmpty()
int	size()

Methods inherited from class org.apache.jena.sparql.graph.GraphWrapper

clear, close, dependsOn, get, getCapabilities, getEventManager, getTransactionHandler, isClosed, isIsomorphicWith, remove

Methods inherited from class java.lang.Object

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

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

add, delete, find, stream, stream

Constructor Details

BufferingGraph

public BufferingGraph(Graph graph)

Method Details

create

public static BufferingGraph create(Graph graph)

base

public Graph base()

flush

public void flush()

Flush the changes to the base graph, using a Graph transaction if possible.

Specified by:

flush in interface BufferingCtl

flushDirect

public void flushDirect()

Flush the changes directly to the base graph.

add

public void add(Triple t)

Specified by:

add in interface Graph

Overrides:

add in class GraphWrapper

delete

public void delete(Triple t)

Specified by:

delete in interface Graph

Overrides:

delete in class GraphWrapper

getAdded

public Graph getAdded()

getDeleted

public Set<Triple> getDeleted()

contains

public boolean contains(Node s,
 Node p,
 Node o)

Specified by:

contains in interface Graph

Overrides:

contains in class GraphWrapper

contains

public boolean contains(Triple triple)

Specified by:

contains in interface Graph

Overrides:

contains in class GraphWrapper

find

public ExtendedIterator<Triple> find(Node s,
 Node p,
 Node o)

Specified by:

find in interface Graph

Overrides:

find in class GraphWrapper

find

public ExtendedIterator<Triple> find(Triple m)

Specified by:

find in interface Graph

Overrides:

find in class GraphWrapper

getPrefixMapping

public PrefixMapping getPrefixMapping()

Specified by:

getPrefixMapping in interface Graph

Overrides:

getPrefixMapping in class GraphWrapper

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Graph

Overrides:

isEmpty in class GraphWrapper

size

public int size()

Specified by:

size in interface Graph

Overrides:

size in class GraphWrapper