org.lsst.ccs.subsystem.shutter

Class Publisher

java.lang.Object

org.lsst.ccs.subsystem.shutter.Publisher

All Implemented Interfaces:

org.lsst.ccs.framework.HasLifecycle

public class Publisher
extends Object
implements org.lsst.ccs.framework.HasLifecycle

The publisher of all messages going out on the CCS status bus. Has a task that sends out the latest status info at regular intervals. There are also a few methods for publishing some status information without delay. Thread-safe.

Author:

tether

Constructor Summary

Constructors

Constructor and Description
Publisher()

Method Summary

Modifier and Type	Method and Description
void	init() Establishes reasonable default values for the private fields, where feasible.
void	postStart() Takes configuration changes into account and starts the publication task.
void	publish(Serializable msg) Immediately publishes any non-null serializable object as a KeyValueData instance,
void	publishMotionDone(MotionDone motion) Publish a MotionDone message.
void	shutdown() Shuts down the publication task and its scheduler.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsst.ccs.framework.HasLifecycle

build, postBuild, postInit, postShutdown, start

Constructor Detail

Publisher

public Publisher()

Method Detail

init

public void init()

Establishes reasonable default values for the private fields, where feasible.

Specified by:

init in interface org.lsst.ccs.framework.HasLifecycle

postStart

public void postStart()

Takes configuration changes into account and starts the publication task.

Specified by:

postStart in interface org.lsst.ccs.framework.HasLifecycle

shutdown

public void shutdown()

Shuts down the publication task and its scheduler.

Specified by:

shutdown in interface org.lsst.ccs.framework.HasLifecycle

publish

public void publish(Serializable msg)

Immediately publishes any non-null serializable object as a KeyValueData instance,

Parameters:

msg - If null, we do nothing. Otherwise this object is packaged for transmission using the simple name of its class as the key.

publishMotionDone

public void publishMotionDone(MotionDone motion)

Publish a MotionDone message.

Parameters:

motion - The motion message.