GraphZero (Apache Jena ARQ)

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

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, 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
add, delete, find, stream, stream

Method Details
- 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