Package com.cmobilecom.af.model.phase

Interface Transaction

All Known Implementing Classes:

JTATransaction, ResourceLocalTransaction

public interface Transaction

Transaction: resource local or JTA.

Since:

5.9

Method Summary

Modifier and Type	Method	Description
void	begin(boolean join)	Begin a new transaction or join current transaction.
void	commit()	Commit current transaction.
DataAccessUnit	getDataAccessUnit()	Get the DataAccessUnit of associated persistence unit.
boolean	isActive()	Is current transaction active?
void	rollback()	Rollback current transaction.
void	setDataAccessUnit(DataAccessUnit dataAccessUnit)	Change dataAccessUnit.
void	setTransactionTimeout(int timeout)	Set transaction timeout.

Method Detail

commit

void commit()
     throws SystemException

Commit current transaction.

Throws:

SystemException - throw if an error occurs

rollback

void rollback()
       throws SystemException

Rollback current transaction.

Throws:

SystemException - throw if an error occurs

begin

void begin(boolean join)
    throws SystemException

Begin a new transaction or join current transaction. Beginning a new transaction will commit current transaction.

Parameters:

join - whether to join current transaction

Throws:

SystemException - throw if an error occurs

setTransactionTimeout

void setTransactionTimeout(int timeout)

Set transaction timeout. Timeout without activities.

Parameters:

timeout - timeout in milliseconds

isActive

boolean isActive()

Is current transaction active?

Returns:

true if active, false otherwise

getDataAccessUnit

DataAccessUnit getDataAccessUnit()

Get the DataAccessUnit of associated persistence unit.

Returns:

DataAccessUnit object. return null for JTA.

Since:

5.13

setDataAccessUnit

void setDataAccessUnit(DataAccessUnit dataAccessUnit)
                throws SystemException

Change dataAccessUnit. Ignored for JTA.

If current transaction is active, commit it and start a new transaction for the new dataAccessUnit.

Parameters:

dataAccessUnit - instance type or instance.

Throws:

SystemException - throw if an error occurs