org.apache.jena.sparql.graph

Class GraphZero

java.lang.Object

org.apache.jena.graph.impl.GraphBase

org.apache.jena.sparql.graph.GraphZero

All Implemented Interfaces:

Graph, GraphWithPerform

public class GraphZero
extends GraphBase

Invariant empty graph.

See Also:

GraphSink

Field Summary

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

TOSTRING_TRIPLE_BASE, TOSTRING_TRIPLE_LIMIT

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

emptyGraph

Method Summary

Modifier and Type	Method and Description
Capabilities	getCapabilities()
TransactionHandler	getTransactionHandler()
static Graph	instance()
void	performAdd(Triple t)
void	performDelete(Triple t)

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

add, clear, close, contains, contains, delete, dependsOn, find, find, forTestingOnly_graphBaseFind, getEventManager, getPrefixMapping, getStatisticsHandler, isClosed, isEmpty, isIsomorphicWith, notifyAdd, notifyDelete, remove, size, toString, toString

Methods inherited from class java.lang.Object

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

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

find

Method Detail

instance

public static Graph instance()

getTransactionHandler

public TransactionHandler getTransactionHandler()

Specified by:

getTransactionHandler in interface Graph

Overrides:

getTransactionHandler in class GraphBase

performAdd

public void performAdd(Triple t)

Specified by:

performAdd in interface GraphWithPerform

Overrides:

performAdd in class GraphBase

performDelete

public void performDelete(Triple t)

Specified by:

performDelete in interface GraphWithPerform

Overrides:

performDelete in class GraphBase

getCapabilities

public Capabilities getCapabilities()

Specified by:

getCapabilities in interface Graph

Overrides:

getCapabilities in class GraphBase