com.hp.hpl.jena.sparql.modify
Class GraphStoreNullTransactional

java.lang.Object
  com.hp.hpl.jena.sparql.core.DatasetGraphBase
      com.hp.hpl.jena.sparql.core.DatasetGraphQuad
          com.hp.hpl.jena.sparql.modify.GraphStoreNull
              com.hp.hpl.jena.sparql.modify.GraphStoreNullTransactional

All Implemented Interfaces:

DatasetGraph, Transactional, GraphStore, Closeable

public class GraphStoreNullTransactional
extends GraphStoreNull
implements Transactional

A transactional black hole for Quads, add as many as you want and it will forget them all. Useful for testing.

Constructor Summary

GraphStoreNullTransactional()

Method Summary

void	abort() Abort a transaction - finish the transaction and undo any changes (if a "write" transaction)
void	begin(ReadWrite readWrite) Start either a READ or WRITE transaction
void	commit() Commit a transaction - finish the transaction and make any changes permanent (if a "write" transaction)
void	end() Finish the transaction - if a write transaction and commit() has not been called, then abort
boolean	isInTransaction() Say whether a transaction is active

Methods inherited from class com.hp.hpl.jena.sparql.modify.GraphStoreNull

add, addGraph, delete, find, findNG, finishRequest, getDefaultGraph, getGraph, startRequest, toDataset

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

listGraphNodes, removeGraph

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

add, close, contains, contains, containsGraph, delete, deleteAny, find, find, getContext, getLock, isEmpty, setDefaultGraph, size, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.hp.hpl.jena.sparql.core.DatasetGraph

add, close, contains, contains, containsGraph, delete, deleteAny, find, find, getContext, getLock, isEmpty, listGraphNodes, removeGraph, setDefaultGraph, size

Constructor Detail

GraphStoreNullTransactional

public GraphStoreNullTransactional()

Method Detail

begin

public void begin(ReadWrite readWrite)

Description copied from interface: Transactional

Start either a READ or WRITE transaction

Specified by:

begin in interface Transactional

commit

public void commit()

Description copied from interface: Transactional

Commit a transaction - finish the transaction and make any changes permanent (if a "write" transaction)

Specified by:

commit in interface Transactional

abort

public void abort()

Description copied from interface: Transactional

Abort a transaction - finish the transaction and undo any changes (if a "write" transaction)

Specified by:

abort in interface Transactional

isInTransaction

public boolean isInTransaction()

Description copied from interface: Transactional

Say whether a transaction is active

Specified by:

isInTransaction in interface Transactional

end

public void end()

Description copied from interface: Transactional

Finish the transaction - if a write transaction and commit() has not been called, then abort

Specified by:

end in interface Transactional