com.whitestein.lsps.vaadin.util

Interface TransactionAccessor

All Known Implementing Classes:

TransactionAccessorImpl

public interface TransactionAccessor

Interface for accessing DB transactions.

Author:

mhi

Method Summary

Modifier and Type	Method and Description
void	checkTransactionRunning() Checks that the transaction is running.
void	closeTransaction() Closes the current transaction.
UserTransaction	getUserTransaction() Returns the current transaction.
boolean	isTransactionRunning() Returns true if a transaction is running.
void	startTransaction() Starts a transaction, if there is none yet.

Method Detail

getUserTransaction

UserTransaction getUserTransaction()

Returns the current transaction.

Returns:

transaction

startTransaction

void startTransaction()

Starts a transaction, if there is none yet.

closeTransaction

void closeTransaction()

Closes the current transaction. If the transaction is marked for rollback, it's rolled back, otherwise the transaction is committed if present.

isTransactionRunning

boolean isTransactionRunning()

Returns true if a transaction is running.

Returns:

true if a transaction is running, false if not.

checkTransactionRunning

void checkTransactionRunning()

Checks that the transaction is running.

Throws:

IllegalStateException - if the transaction is not running.