org.apache.jena.sparql.core

Class DatasetGraphTrackActive

java.lang.Object

org.apache.jena.sparql.core.DatasetGraphWrapper

org.apache.jena.sparql.core.DatasetGraphTrackActive

All Implemented Interfaces:

org.apache.jena.atlas.lib.Closeable, org.apache.jena.atlas.lib.Sync, DatasetGraph, Transactional

Direct Known Subclasses:

DatasetGraphWithLock

public abstract class DatasetGraphTrackActive
extends DatasetGraphWrapper

Check the transactional state of a DatasetGraph

Method Summary

Modifier and Type	Method and Description
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	close() Close the dataset
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
abstract boolean	isInTransaction() Say whether inside a transaction.

Methods inherited from class org.apache.jena.sparql.core.DatasetGraphWrapper

add, add, addGraph, clear, contains, contains, containsGraph, delete, delete, deleteAny, find, find, find, findNG, getBase, getContext, getDefaultGraph, getGraph, getLock, getWrapped, isEmpty, listGraphNodes, removeGraph, setDefaultGraph, size, supportsTransactionAbort, supportsTransactions, sync, toString

Methods inherited from class java.lang.Object

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

Method Detail

begin

public final void begin(ReadWrite readWrite)

Description copied from interface: Transactional

Start either a READ or WRITE transaction

Specified by:

begin in interface Transactional

Overrides:

begin in class DatasetGraphWrapper

commit

public final 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

Overrides:

commit in class DatasetGraphWrapper

abort

public final 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

Overrides:

abort in class DatasetGraphWrapper

end

public final 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

Overrides:

end in class DatasetGraphWrapper

isInTransaction

public abstract boolean isInTransaction()

Description copied from interface: Transactional

Say whether inside a transaction.

Specified by:

isInTransaction in interface Transactional

Overrides:

isInTransaction in class DatasetGraphWrapper

close

public void close()

Description copied from interface: DatasetGraph

Close the dataset

Specified by:

close in interface org.apache.jena.atlas.lib.Closeable

Specified by:

close in interface DatasetGraph

Overrides:

close in class DatasetGraphWrapper