code: @Override
      public boolean isTransactionGlobal()
      {
          ContainerTx tx = container.getCurrentContainerTx();
          boolean isGlobal = (tx == null) ? false : tx.isTransactionGlobal();
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "isTransactionGlobal : " + isGlobal);
  
          return isGlobal;
      }
docs: Returns true when the current thread is associated with a global
  transaction; otherwise, returns false. <p>
  
  
  See EJBContextExtension.isTransactionGlobal() for details. <p>