Package jmri.jmrit.symbolicprog

Interface Qualifier

All Known Implementing Classes:
AbstractQualifier, ArithmeticQualifier, JComponentQualifier, PaneQualifier, QualifierCombiner, ValueQualifier
public interface Qualifier
Define capability to watch other things and "Qualify" CVs and Variables.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    currentDesiredState()
    Check whether this Qualifier is currently in the OK, qualified-to-act state.
    void
    setWatchedAvailable(boolean enable)
    Drive the available or not state of the qualified object.
    void
    update()
    Process the current value and do whatever is needed.

  • Method Details

    • update

      void update()
      Process the current value and do whatever is needed.

    • currentDesiredState

      boolean currentDesiredState()
      Check whether this Qualifier is currently in the OK, qualified-to-act state.
      Returns:
      true if this Qualifier is currently saying OK

    • setWatchedAvailable

      void setWatchedAvailable(boolean enable)
      Drive the available or not state of the qualified object.

      Subclasses implement this to control a specific type of qualified object, like a Variable or Pane.

      Parameters:
      enable - true to drive, else false.