Package org.apache.jena.reasoner

Class BaseInfGraph.InfTransactionHandler

java.lang.Object

org.apache.jena.graph.impl.TransactionHandlerBase

org.apache.jena.reasoner.BaseInfGraph.InfTransactionHandler

All Implemented Interfaces:

TransactionHandler

Enclosing class:

BaseInfGraph

public static class BaseInfGraph.InfTransactionHandler
extends TransactionHandlerBase
implements TransactionHandler

Constructor Summary

Constructors

Constructor	Description
InfTransactionHandler(BaseInfGraph base)

Method Summary

Modifier and Type	Method	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

Methods inherited from class java.lang.Object

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

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

calculate, execute

Constructor Detail

InfTransactionHandler

public InfTransactionHandler(BaseInfGraph base)

Method Detail

transactionsSupported

public boolean transactionsSupported()

Description copied from interface: TransactionHandler

Does this handler support transactions at all?

Specified by:

transactionsSupported in interface TransactionHandler

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.

Specified by:

begin in interface TransactionHandler

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.

Specified by:

abort in interface TransactionHandler

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.

Specified by:

commit in interface TransactionHandler