code: public int dataToField(Field field) throws DBException
      {
          return ((BaseBuffer)this.getHandle(DBConstants.DATA_SOURCE_HANDLE)).getNextField((FieldInfo)field, DBConstants.DONT_DISPLAY, DBConstants.READ_MOVE);
      }
docs: Move the output buffer to this field (Override this to use non-standard buffers).
  Warning: Check to make sure the field.isSelected() before moving data (Move ALL for Physicals)!
  @param field The field to move the current data to.
  @return The error code (From field.setData()).
  @exception DBException File exception.