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/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 2003,
*
* Arjuna Technologies Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: UserBusinessActivity.java,v 1.4.6.1 2005/11/22 10:36:06 kconner Exp $
*/
package com.arjuna.mw.wst11;
import com.arjuna.wst.SystemException;
import com.arjuna.wst.TransactionRolledBackException;
import com.arjuna.wst.UnknownTransactionException;
import com.arjuna.wst.WrongStateException;
/**
* This is the interface that allows BAs to be started and terminated.
* The messaging layer converts the messages into calls on this.
*
* Importantly, a UserBusinessActivity does not represent a specific
* transaction, but rather is responsible for providing access to an implicit
* per-thread transaction context; it is similar to the UserTransaction in
* the JTA specification. Therefore, all of the UserTransaction methods
* implicitly act on the current thread of control.
*
* @author Mark Little ([email protected])
* @version $Id: UserBusinessActivity.java,v 1.4.6.1 2005/11/22 10:36:06 kconner Exp $
* @since XTS 1.0.
*/
public abstract class UserBusinessActivity
{
/**
* The user business activity.
*/
private static UserBusinessActivity USER_BUSINESS_ACTIVITY ;
/**
* Get the user business activity.
* @return The user business activity.
*/
public static synchronized UserBusinessActivity getUserBusinessActivity()
{
return USER_BUSINESS_ACTIVITY ;
}
/**
* Set the user business activity.
* @param userBusinessActivity The user business activity.
*/
public static synchronized void setUserBusinessActivity(final UserBusinessActivity userBusinessActivity)
{
USER_BUSINESS_ACTIVITY = userBusinessActivity ;
}
/**
* get the user subordinate business activity
*
* this is a UserBusinessActivity whose begin method will create an interposed BA transaction
* @return The user business activity.
*/
public abstract UserBusinessActivity getUserSubordinateBusinessActivity();
public static final int ATOMIC_OUTCOME = 0;
public static final int MIXED_OUTCOME = 1;
/**
* Start a new business activity with atomic outcome.
* If one is already associated with this thread
* then the WrongStateException will be thrown. Upon success, this
* operation associates the newly created transaction with the current
* thread.
*/
public abstract void begin()
throws WrongStateException, SystemException;
/**
* Start a new BA with atomic outcome and the specified timeout as
* its lifetime.
* If one is already associated with this thread then the
* WrongStateException will be thrown.
*/
public abstract void begin(final int timeout)
throws WrongStateException, SystemException;
/**
* The BA is normally terminated by the close method. This signals to
* all registered participants that the BA has ended and no compensation
* is required.
*/
public abstract void close()
throws TransactionRolledBackException, UnknownTransactionException, SystemException, WrongStateException;
/**
* If the BA must undo its work then the cancel method is used. Any
* participants that can compensate are forced to do so.
*/
public abstract void cancel()
throws UnknownTransactionException, SystemException, WrongStateException;
/**
* If participants have registered for the BusinessAgreementWithComplete
* protocol then they will be expecting the application to inform them
* when all work intended for them has been sent (and responded to). The
* complete method is used for this purpose.
*/
public abstract void complete()
throws UnknownTransactionException, SystemException, WrongStateException;
public abstract String transactionIdentifier();
}
