TransactionPropagationContextFactory.java |
/* * JBoss, the OpenSource J2EE webOS * * Distributable under LGPL license. * See terms of license at gnu.org. */ package org.jboss.tm; import javax.transaction.Transaction; /** * Implementations of this interface are used for getting * a transaction propagation context at the client-side. * We need a specific implementation of this interface for * each kind of DTM we are going to interoperate with. (So * we may have 20 new classes if we are going to interoperate * with 20 different kinds of distributed transaction * managers.) * The reason for having the methods in this interface return * Object is that we do not really know what kind of transaction * propagation context is returned. * * @see TransactionPropagationContextImporter * @author <a href="mailto:osh@sparre.dk">Ole Husgaard</a> * @version $Revision: 1.2 $ */ public interface TransactionPropagationContextFactory { /** * Return a transaction propagation context for the transaction * currently associated with the invoking thread, or <code>null</code> * if the invoking thread is not associated with a transaction. */ public Object getTransactionPropagationContext(); /** * Return a transaction propagation context for the transaction * given as an argument, or <code>null</code> * if the argument is <code>null</code> or of a type unknown to * this factory. */ public Object getTransactionPropagationContext(Transaction tx); }
TransactionPropagationContextFactory.java |