TransactionHelper (Oracle WebLogic Server API Reference)

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Oracle Fusion Middleware
Oracle WebLogic Server API Reference
11g Release 1 (10.3.3)

Part Number E13941-03

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weblogic.transaction
Class TransactionHelper

java.lang.Object
  weblogic.transaction.TransactionHelper

public abstract class TransactionHelper
extends Object
extends Object

Helper for managing transactions required by higher-level functionality.

See Also:: This class is a convenience wrapper for gaining access to objects and resources related to the transaction manager, on both client and server processes.

Constructor Summary
`TransactionHelper()`

Method Summary
`javax.transaction.Transaction`	`getTransaction()` Gets the transaction associated with this thread.
`static TransactionHelper`	`getTransactionHelper()` Get the TransactionHelper singleton.
`abstract ClientTransactionManager`	`getTransactionManager()` Return an implementation of TransactionManager suitable for use in the current client.
`abstract UserTransaction`	`getUserTransaction()` Return an implementation of UserTransaction suitable for use in the current client.
`static TransactionHelper`	`popTransactionHelper()` Pop the TransactionHelper singleton.
`static void`	`pushTransactionHelper(TransactionHelper helper)` Push the TransactionHelper singleton.
`static void`	`setTransactionHelper(TransactionHelper helper)` Set the TransactionHelper singleton.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

TransactionHelper

public TransactionHelper()

Method Detail

getTransactionHelper

public static TransactionHelper getTransactionHelper()

Get the TransactionHelper singleton.

Returns:: A suitable TransactionHelper implementation for client or server.

setTransactionHelper

public static void setTransactionHelper(TransactionHelper helper)

Set the TransactionHelper singleton. This should be set at startup and not synchronized.

Parameters:: helper - - a suitable TransactionHelper implementation for client or server.

pushTransactionHelper

public static void pushTransactionHelper(TransactionHelper helper)

Push the TransactionHelper singleton. This does nothing in a server since there only can ever be one TM.

Parameters:: helper - - a suitable TransactionHelper implementation for client or server.

popTransactionHelper

public static TransactionHelper popTransactionHelper()
                                              throws EmptyStackException

Pop the TransactionHelper singleton. This does nothing in a server since there only can ever be one TM.

Throws:: EmptyStackException

getUserTransaction

public abstract UserTransaction getUserTransaction()

Return an implementation of UserTransaction suitable for use in the current client.

See Also:: UserTransaction

getTransactionManager

public abstract ClientTransactionManager getTransactionManager()

Return an implementation of TransactionManager suitable for use in the current client.

See Also:: TransactionManager

getTransaction

public javax.transaction.Transaction getTransaction()

Gets the transaction associated with this thread. This simply calls TransactionManager.getTransaction().

Returns:: null (if there is no associated transaction or if an exception was raised)
See Also:: TransactionManager