Package com.cosylab.epics.caj.cas

Class BeaconEmitter

java.lang.Object

com.cosylab.epics.caj.cas.BeaconEmitter

All Implemented Interfaces:

Timer.TimerRunnable

public class BeaconEmitter
extends Object
implements Timer.TimerRunnable

Beacon emitter.

Version:

$id$

Author:

Matej Sekoranja

Field Summary

Fields

Modifier and Type	Field	Description
protected int	beaconPeriod	Beacon period (in ms).
protected int	beaconSequenceID	Beacon sequence ID.
protected static float	EPICS_CA_MAX_BEACON_PERIOD	Maximal CA beacon period (in seconds).
protected static float	EPICS_CA_MIN_BEACON_PERIOD	Minimal (initial) CA beacon period (in seconds).
protected Logger	logger	Logger.
protected int	maxBeaconPeriod	Maximal beacon period (in ms).
protected Timer	timer	Timer.
protected BroadcastTransport	transport	Broadcast (UDP) transport.

Constructor Summary

Constructors

Constructor	Description
BeaconEmitter(BroadcastTransport transport, CAContext context, float beaconPeriod)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	destroy()	Destroy emitter.
protected void	reschedule()	Reschedule timer.
protected void	start()	Start emitting.
void	timeout(long timeToRun)	Method invoked by timer at requested time.

Methods inherited from class java.lang.Object

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

Field Detail

EPICS_CA_MAX_BEACON_PERIOD

protected static final float EPICS_CA_MAX_BEACON_PERIOD

Maximal CA beacon period (in seconds).

See Also:

Constant Field Values

EPICS_CA_MIN_BEACON_PERIOD

protected static final float EPICS_CA_MIN_BEACON_PERIOD

Minimal (initial) CA beacon period (in seconds).

See Also:

Constant Field Values

timer

protected Timer timer

Timer.

logger

protected Logger logger

Logger.

transport

protected BroadcastTransport transport

Broadcast (UDP) transport.

beaconSequenceID

protected int beaconSequenceID

Beacon sequence ID.

beaconPeriod

protected int beaconPeriod

Beacon period (in ms).

maxBeaconPeriod

protected int maxBeaconPeriod

Maximal beacon period (in ms).

Constructor Detail

BeaconEmitter

public BeaconEmitter(BroadcastTransport transport,
                     CAContext context,
                     float beaconPeriod)

Constructor.

Parameters:

transport - transport to be used to send beacons.

context - CA context.

beaconPeriod - configured (max) beacon period.

Method Detail

start

protected void start()

Start emitting.

reschedule

protected void reschedule()

Reschedule timer.

timeout

public void timeout(long timeToRun)

Description copied from interface: Timer.TimerRunnable

Method invoked by timer at requested time.

Specified by:

timeout in interface Timer.TimerRunnable

Parameters:

timeToRun - time in ms to run.

See Also:

Timer.TimerRunnable.timeout(long)

destroy

public void destroy()

Destroy emitter.