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| Oracle TopLink API Reference 10g Release 3 (10.1.3) B13698-01
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## oracle.toplink.jts
Class AbstractExternalTransactionController

`java.lang.Object
oracle.toplink.jts.AbstractExternalTransactionController`

All Implemented Interfaces:
  ExternalTransactionController

Direct Known Subclasses:
  JTSExternalTransactionController, WebSphereJTSExternalTransactionController

Deprecated. since OracleAS TopLink 10g (10.1.3). This class is replaced by `AbstractTransactionController`

public abstract class AbstractExternalTransactionController
extends java.lang.Object
implements ExternalTransactionController

Purpose: Abstract implementation of an ExternalTransactionController.

Description: This class implements the registerSynchronizationListener method, satisfying the ExternalTransactionController interface. In order to interface to different transaction services (e.g. OMG OTS service, Java JTS service, etc), the registration of a synchronization object is done in the register method, which is abstract here (i.e. must be overridden in a concrete sub-class). It is also responsible for maintaining the unit of work for the active JTS transactions and allowing it to be created and looked up.

Responsibilities:

- Register a listener to the externally controlled transaction.
- Allow lookup of the unit of work for the active JTS transaction.

See Also:
  `ExternalTransactionController`

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

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