org.openanzo.model
Interface ITransactionManager

All Known Subinterfaces:

ITransactionQueueManager

All Known Implementing Classes:

TransactionManager, TransactionQueueManager

public interface ITransactionManager

Transaction Manager for INamedGraphs and IContainers

Author:

Matthew Roy ( mroy@cambridgesemantics.com )

Method Summary

void	abort() Abort the current transaction
void	begin() Begin a transaction, blocking if another thread already started a transaction
void	beginNonBlocking() Begin a transaction
void	commit() Commit the current transaction
boolean	currentThreadOwnsTransaction() Return whether the current thread owns the TransactionQueue lock
boolean	isInTransaction() Get whether or not a transaction has begun.

Method Detail

beginNonBlocking

void beginNonBlocking()
                      throws AnzoException

Begin a transaction

Throws:

AnzoException - if another thread already started a transaction

begin

void begin()
           throws AnzoException

Begin a transaction, blocking if another thread already started a transaction

Throws:

AnzoException

commit

void commit()
            throws AnzoException

Commit the current transaction

Throws:

AnzoException - if another thread started the transaction or if no transaction is in started

abort

void abort()
           throws AnzoException

Abort the current transaction

Throws:

AnzoException - if another thread started the transaction or if no transaction is in started

isInTransaction

boolean isInTransaction()

Get whether or not a transaction has begun.

Returns:

true if a transaction has begun

currentThreadOwnsTransaction

boolean currentThreadOwnsTransaction()

Return whether the current thread owns the TransactionQueue lock

Returns:

true if within a transaction and current thread started it