jmri.jmrit.symbolicprog
Class AbstractQualifier

java.lang.Object
  jmri.jmrit.symbolicprog.AbstractQualifier

All Implemented Interfaces:

PropertyChangeListener, EventListener, Qualifier

Direct Known Subclasses:

ValueQualifier

public abstract class AbstractQualifier
extends Object
implements Qualifier, PropertyChangeListener

Watches a specific Variable to qualify others.

Author:

Bob Jacobsen Copyright (C) 2010

Constructor Summary

AbstractQualifier(VariableValue qualifiedVal, VariableValue watchedVal)

Method Summary

protected boolean	availableStateFromEvent(PropertyChangeEvent e)
protected abstract boolean	availableStateFromObject(Object o)
protected abstract boolean	availableStateFromValue(int value)
void	propertyChange(PropertyChangeEvent e)
protected void	setWatchedAvailable(boolean enable)
void	update(int value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractQualifier

public AbstractQualifier(VariableValue qualifiedVal,
                         VariableValue watchedVal)

Method Detail

propertyChange

public void propertyChange(PropertyChangeEvent e)

Specified by:

propertyChange in interface PropertyChangeListener

availableStateFromEvent

protected boolean availableStateFromEvent(PropertyChangeEvent e)

availableStateFromObject

protected abstract boolean availableStateFromObject(Object o)

availableStateFromValue

protected abstract boolean availableStateFromValue(int value)

setWatchedAvailable

protected void setWatchedAvailable(boolean enable)

update

public void update(int value)