org.quartz.ee.jta

Class UserTransactionHelper

java.lang.Object

org.quartz.ee.jta.UserTransactionHelper

public class UserTransactionHelper
extends java.lang.Object

A helper for obtaining a handle to a UserTransaction...

To ensure proper cleanup of the InitalContext used to create/lookup the UserTransaction, be sure to always call returnUserTransaction() when you are done with the UserTransaction.

Author:

James House

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_USER_TX_LOCATION

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getUserTxLocation()
static javax.transaction.UserTransaction	lookupUserTransaction() Create/Lookup a UserTransaction in the InitialContext via the name set in setUserTxLocation().
static void	returnUserTransaction(javax.transaction.UserTransaction userTransaction) Return a UserTransaction that was retrieved via getUserTransaction().
static void	setUserTxLocation(java.lang.String userTxURL) Set the JNDI URL at which the Application Server's UserTransaction can be found.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_USER_TX_LOCATION

public static final java.lang.String DEFAULT_USER_TX_LOCATION

See Also:

Constant Field Values

Method Detail

getUserTxLocation

public static java.lang.String getUserTxLocation()

setUserTxLocation

public static void setUserTxLocation(java.lang.String userTxURL)

Set the JNDI URL at which the Application Server's UserTransaction can be found. If not set, the default value is "java:comp/UserTransaction" - which works for nearly all application servers.

lookupUserTransaction

public static javax.transaction.UserTransaction lookupUserTransaction()
                                                               throws SchedulerException

Create/Lookup a UserTransaction in the InitialContext via the name set in setUserTxLocation().

Throws:

SchedulerException

returnUserTransaction

public static void returnUserTransaction(javax.transaction.UserTransaction userTransaction)

Return a UserTransaction that was retrieved via getUserTransaction(). This will make sure that the InitalContext used to lookup/create the UserTransaction is properly cleaned up.