File	Doc	Category	Size	Date	Package
UserTransaction.java	API Doc	Glassfish v2 API	6345	Fri May 04 22:35:24 BST 2007	javax.transaction

UserTransaction

Fields Summary

Constructors Summary

Methods Summary
public void	begin() Create a new transaction and associate it with the current thread. exception NotSupportedException Thrown if the thread is already associated with a transaction and the Transaction Manager implementation does not support nested transactions. exception SystemException Thrown if the transaction manager encounters an unexpected error condition.
public void	commit() Complete the transaction associated with the current thread. When this method completes, the thread is no longer associated with a transaction. exception RollbackException Thrown to indicate that the transaction has been rolled back rather than committed. exception HeuristicMixedException Thrown to indicate that a heuristic decision was made and that some relevant updates have been committed while others have been rolled back. exception HeuristicRollbackException Thrown to indicate that a heuristic decision was made and that all relevant updates have been rolled back. exception SecurityException Thrown to indicate that the thread is not allowed to commit the transaction. exception IllegalStateException Thrown if the current thread is not associated with a transaction. exception SystemException Thrown if the transaction manager encounters an unexpected error condition.
public int	getStatus() Obtain the status of the transaction associated with the current thread. return The transaction status. If no transaction is associated with the current thread, this method returns the Status.NoTransaction value. exception SystemException Thrown if the transaction manager encounters an unexpected error condition.
public void	rollback() Roll back the transaction associated with the current thread. When this method completes, the thread is no longer associated with a transaction. exception SecurityException Thrown to indicate that the thread is not allowed to roll back the transaction. exception IllegalStateException Thrown if the current thread is not associated with a transaction. exception SystemException Thrown if the transaction manager encounters an unexpected error condition.
public void	setRollbackOnly() Modify the transaction associated with the current thread such that the only possible outcome of the transaction is to roll back the transaction. exception IllegalStateException Thrown if the current thread is not associated with a transaction. exception SystemException Thrown if the transaction manager encounters an unexpected error condition.
public void	setTransactionTimeout(int seconds) Modify the timeout value that is associated with transactions started by the current thread with the begin method. If an application has not called this method, the transaction service uses some default value for the transaction timeout. param seconds The value of the timeout in seconds. If the value is zero, the transaction service restores the default value. If the value is negative a SystemException is thrown. exception SystemException Thrown if the transaction manager encounters an unexpected error condition.