Package jmri.jmrit.automat

Class Siglet

java.lang.Object

jmri.jmrit.automat.Siglet

Direct Known Subclasses:

BlockBossLogic, JythonSiglet

public abstract class Siglet
extends Object

A Siglet is a "an embedded signal automation", like an "applet" an embedded application.

Subclasses must load the inputs and outputs arrays during the defineIO method. When any of these change, the Siglet must then recompute and apply the output signal settings via their implementation of the setOutput() method.

Siglets may not run in their own thread; they should not use wait() in any of its various forms.

Siglet was separated from AbstractAutomaton in JMRI 4.9.2

Do not have any overlap between the items in the input and output lists; this will cause a recursive invocation when the output changes.

Field Summary

Fields

Modifier and Type	Field	Description
NamedBean[]	inputs
NamedBean[]	outputs
protected PropertyChangeEventQueue	pq
protected Thread	thread

Constructor Summary

Constructors

Constructor	Description
Siglet()
Siglet(String name)

Method Summary

Modifier and Type	Method	Description
abstract void	defineIO()	User-provided routine to define the input and output objects to be handled.
String	getName()
boolean	isRunning()
void	setInputs(NamedBean[] in)	Set inputs to the items in in.
void	setName(String name)
abstract void	setOutput()	User-provided routine to compute new output state and apply it.
void	start()
void	stop()	Stop execution of the logic.

Methods inherited from class java.lang.Object

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

Field Details

inputs

public NamedBean[] inputs

outputs

public NamedBean[] outputs

pq

protected PropertyChangeEventQueue pq

thread

protected Thread thread

Constructor Details

Siglet

public Siglet()

Siglet

public Siglet(String name)

Method Details

defineIO

public abstract void defineIO()

User-provided routine to define the input and output objects to be handled. Invoked during the Siglet start() call.

setOutput

public abstract void setOutput()

User-provided routine to compute new output state and apply it.

getName

public final String getName()

setName

public final void setName(String name)

start

public void start()

stop

public void stop()

Stop execution of the logic.

isRunning

public boolean isRunning()

setInputs

public void setInputs(NamedBean[] in)

Set inputs to the items in in.

Parameters:

in - the inputs to set