com.arjuna.mw.wst11
Class BusinessActivityManager

java.lang.Object
  com.arjuna.mw.wst11.BusinessActivityManager

public abstract class BusinessActivityManager
extends Object

This is the interface that the core exposes in order to allow different types of participants to be enrolled. The messaging layer continues to work in terms of the registrar, but internally we map to one of these methods. As with UserTransaction a TransactionManager does not represent a specific transaction, but rather is responsible for providing access to an implicit per-thread transaction context.

Since:

XTS 1.0.

Version:

$Id: BusinessActivityManager.java,v 1.4.8.1 2005/11/22 10:36:05 kconner Exp $

Author:

Mark Little (mark.little@arjuna.com)

Constructor Summary

BusinessActivityManager()

Method Summary

abstract TxContext	currentTransaction() The currentTransaction method returns the TxContext for the current transaction, or null if there is none.
abstract BAParticipantManager	enlistForBusinessAgreementWithCoordinatorCompletion(BusinessAgreementWithCoordinatorCompletionParticipant bawcp, String id) Enlist a participant for the BusinessAgreementWithCoordinatorCompletion protocol.
abstract BAParticipantManager	enlistForBusinessAgreementWithParticipantCompletion(BusinessAgreementWithParticipantCompletionParticipant bap, String id) Enlist a participant for the BusinessAgreement protocol.
static BusinessActivityManager	getBusinessActivityManager() Get the business activity manager.
abstract void	resume(TxContext txContext) The resume method can be used to (re-)associate a thread with a transaction(s) via its TxContext.
static void	setBusinessActivityManager(BusinessActivityManager manager) Set the business activity manager.
abstract TxContext	suspend() A thread of control may require periods of non-transactionality so that it may perform work that is not associated with a specific transaction.

Methods inherited from class java.lang.Object

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

Constructor Detail

BusinessActivityManager

public BusinessActivityManager()

Method Detail

getBusinessActivityManager

public static BusinessActivityManager getBusinessActivityManager()

Get the business activity manager.

Returns:

The business activity manager.

setBusinessActivityManager

public static void setBusinessActivityManager(BusinessActivityManager manager)

Set the business activity manager.

Parameters:

manager - The business activity manager.

enlistForBusinessAgreementWithParticipantCompletion

public abstract BAParticipantManager enlistForBusinessAgreementWithParticipantCompletion(BusinessAgreementWithParticipantCompletionParticipant bap,
                                                                                         String id)
                                                                                  throws WrongStateException,
                                                                                         UnknownTransactionException,
                                                                                         SystemException

Enlist a participant for the BusinessAgreement protocol.

Returns:

the BAParticipantManager for this transaction.

Throws:

WrongStateException

UnknownTransactionException

SystemException

enlistForBusinessAgreementWithCoordinatorCompletion

public abstract BAParticipantManager enlistForBusinessAgreementWithCoordinatorCompletion(BusinessAgreementWithCoordinatorCompletionParticipant bawcp,
                                                                                         String id)
                                                                                  throws WrongStateException,
                                                                                         UnknownTransactionException,
                                                                                         SystemException

Enlist a participant for the BusinessAgreementWithCoordinatorCompletion protocol.

Returns:

the BAParticipantManager for this transaction.

Throws:

WrongStateException

UnknownTransactionException

SystemException

resume

public abstract void resume(TxContext txContext)
                     throws UnknownTransactionException,
                            SystemException

The resume method can be used to (re-)associate a thread with a transaction(s) via its TxContext. Prior to association, the thread is disassociated with any transaction(s) with which it may be currently associated. If the TxContext is null, then the thread is associated with no transaction. The UnknownTransactionException exception is thrown if the transaction that the TxContext refers to is invalid in the scope of the invoking thread.

Throws:

UnknownTransactionException

SystemException

suspend

public abstract TxContext suspend()
                           throws SystemException

A thread of control may require periods of non-transactionality so that it may perform work that is not associated with a specific transaction. In order to do this it is necessary to disassociate the thread from any transactions. The suspend method accomplishes this, returning a TxContext instance, which is a handle on the transaction. The thread is then no longer associated with any transaction.

Throws:

SystemException

currentTransaction

public abstract TxContext currentTransaction()
                                      throws SystemException

The currentTransaction method returns the TxContext for the current transaction, or null if there is none. Unlike suspend, this method does not disassociate the current thread from the transaction(s). This can be used to enable multiple threads to execute within the scope of the same transaction.

Throws:

SystemException