code: @Override
      public EntityTransaction getTransaction()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "em.getTransaction();\n" + toString());
  
          return getEMInvocationInfo(false).getTransaction();
      }
docs: (non-Javadoc)
  
  @see javax.persistence.EntityManager#getTransaction()