code: public TransactionWrapper getTransactionWrapper(Transaction t) {
      	if (t == null) {
      		return null;
      	}
      	final TransactionWrapperAppData twad = (TransactionWrapperAppData) t.getApplicationData();
      	return twad != null ? twad.getTransactionWrapper(t, this) : null;
  	}
docs: Retrieves the wrapper associated with a tx, recreating if needed in a cluster env.
  @param t
  @return