code: public void setTransaction(int tran) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setTransaction", tran);
          this.transaction = tran;
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setTransaction");
      }
docs: This method will set the transaction that the current
  receive should be performed with.
  
  @param tran