code: @Override
      public final void reset(final long mNodeKey) {
  
          super.reset(mNodeKey);
          mIsFirst = true;
          if (mOperand1 != null) {
              mOperand1.reset(mNodeKey);
          }
  
          if (mOperand2 != null) {
              mOperand2.reset(mNodeKey);
          }
      }
docs: {@inheritDoc}