org.apache.jena.graph.impl

Class SimpleTransactionHandler

java.lang.Object

org.apache.jena.graph.impl.TransactionHandlerBase

org.apache.jena.graph.impl.SimpleTransactionHandler

All Implemented Interfaces:

TransactionHandler

public class SimpleTransactionHandler
extends TransactionHandlerBase

Constructor Summary

Constructors

Constructor and Description
SimpleTransactionHandler()

Method Summary

Modifier and Type	Method and Description
void	abort() If transactions are supported and there is a transaction in progress, abort it.
void	begin() If transactions are supported, begin a new transaction.
void	commit() If transactions are supported and there is a transaction in progress, commit it.
boolean	transactionsSupported() Does this handler support transactions at all?

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

calculate, execute, executeInTransaction

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleTransactionHandler

public SimpleTransactionHandler()

Method Detail

transactionsSupported

public boolean transactionsSupported()

Description copied from interface: TransactionHandler

Does this handler support transactions at all?

Returns:

true iff begin/abort/commit are implemented and make sense.

begin

public void begin()

Description copied from interface: TransactionHandler

If transactions are supported, begin a new transaction. If transactions are not supported, or they are but this transaction is nested and nested transactions are not supported, throw an UnsupportedOperationException.

abort

public void abort()

Description copied from interface: TransactionHandler

If transactions are supported and there is a transaction in progress, abort it. If transactions are not supported, or there is no transaction in progress, throw an UnsupportedOperationException.

commit

public void commit()

Description copied from interface: TransactionHandler

If transactions are supported and there is a transaction in progress, commit it. If transactions are not supported, , or there is no transaction in progress, throw an UnsupportedOperationException.