jmri.jmrix.sprog.update
Class SprogVersionQuery

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java.lang.Object
  jmri.jmrix.sprog.update.SprogVersionQuery

All Implemented Interfaces:

EventListener, SprogListener

public class SprogVersionQuery
extends Object
implements SprogListener

Get the firmware version of the attached SPROG

Nested Class Summary

(package private) static class

SprogVersionQuery.QueryState

Field Summary

(package private) static org.slf4j.Logger	log
protected static int	LONG_TIMEOUT
(package private) String	replyString
protected static SprogVersionQuery	self
(package private) static SprogVersionQuery.QueryState	state
(package private) static SprogTrafficController	tc
(package private) static Timer	timer
(package private) static SprogVersion	ver
protected static Vector<SprogVersionListener>	versionListeners

Constructor Summary

SprogVersionQuery()

Method Summary

protected void	addSprogVersionListener(SprogVersionListener l)
static SprogVersionQuery	instance() static function returning the SprogVersionQuery instance to use.
void	notifyMessage(SprogMessage m) SprogListener notify Message not used
void	notifyReply(SprogReply m) SprogListener notify Reply listens to replies and looks for version reply
protected static void	notifyVersion(SprogVersion v) Notify all registered listeners of the SPROG version
void	removeSprogVersionListener(SprogVersionListener l)
static void	requestVersion(SprogVersionListener l)
protected static void	restartTimer(int delay) Internal routine to handle timer starts & restarts
protected static void	startLongTimer() Internal routine to restart timer with a long delay
protected void	stopTimer() Internal routine to stop timer, as all is well
protected static void	timeout() Internal routine to handle a timeout

Methods inherited from class java.lang.Object

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

Field Detail

replyString

String replyString

tc

static SprogTrafficController tc

ver

static SprogVersion ver

state

static SprogVersionQuery.QueryState state

LONG_TIMEOUT

protected static final int LONG_TIMEOUT

See Also:

Constant Field Values

timer

static Timer timer

versionListeners

protected static final Vector<SprogVersionListener> versionListeners

self

protected static volatile SprogVersionQuery self

log

static org.slf4j.Logger log

Constructor Detail

SprogVersionQuery

public SprogVersionQuery()

Method Detail

addSprogVersionListener

protected void addSprogVersionListener(SprogVersionListener l)

removeSprogVersionListener

public void removeSprogVersionListener(SprogVersionListener l)

instance

public static SprogVersionQuery instance()

static function returning the SprogVersionQuery instance to use.

Returns:

The registered SprogVersionQuery instance for general use, if need be creating one.

requestVersion

public static void requestVersion(SprogVersionListener l)

notifyVersion

protected static void notifyVersion(SprogVersion v)

Notify all registered listeners of the SPROG version

Parameters:

v -

notifyMessage

public void notifyMessage(SprogMessage m)

SprogListener notify Message not used

Specified by:

notifyMessage in interface SprogListener

Parameters:

m -

notifyReply

public void notifyReply(SprogReply m)

SprogListener notify Reply listens to replies and looks for version reply

Specified by:

notifyReply in interface SprogListener

Parameters:

m -

timeout

protected static void timeout()

Internal routine to handle a timeout

startLongTimer

protected static void startLongTimer()

Internal routine to restart timer with a long delay

stopTimer

protected void stopTimer()

Internal routine to stop timer, as all is well

restartTimer

protected static void restartTimer(int delay)

Internal routine to handle timer starts & restarts