Generally speaking the transaction itself will be returned here. This method was added specifically for use in WebSphere and other unfriendly JEE containers (although WebSphere is still the only known such brain-dead, sales-driven impl).
transaction The transaction to be identified.javax.transaction.Synchronization?
javax.transaction.Synchronization is currently allowed; false otherwise.javax.transaction.Synchronization in the means defined by the platform.
synchronization The synchronization to registerjavax.transaction.SystemException Indicates a problem access the underlying status