org.lsst.ccs.messaging.util

Class AbstractDispatcher.Task

java.lang.Object

org.lsst.ccs.messaging.util.AbstractDispatcher.Task

All Implemented Interfaces:

Runnable, Dispatcher.Task

Enclosing class:

AbstractDispatcher

public abstract static class AbstractDispatcher.Task
extends Object
implements Dispatcher.Task

Instrumented Runnable for submission to Dispatcher. Provides empty implementation for Dispatcher.Task.stageEnded(...). Allows associating a BusMessage and a reference time with a task.

Field Summary

Fields

Modifier and Type	Field and Description
protected BusMessage	busMessage
protected long	refTime

Constructor Summary

Constructors

Constructor and Description
Task(BusMessage busMessage)
Task(BusMessage busMessage, long referenceTime)

Method Summary

Modifier and Type	Method and Description
BusMessage	getBusMessage() Return the BusMessage sent or received by this task, if any.
long	getRefTime() Returns the reference time stamp (milliseconds since millennium) for this task.
void	stageEnded(Dispatcher.Stage stage) Do nothing at the end of a stage.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Field Detail

busMessage

protected final BusMessage busMessage

refTime

protected final long refTime

Constructor Detail

Task

public Task(BusMessage busMessage,
            long referenceTime)

Task

public Task(BusMessage busMessage)

Method Detail

getBusMessage

public BusMessage getBusMessage()

Return the BusMessage sent or received by this task, if any.

Returns:

Associated bus message, or null if this task is not sending or receiving a message.

getRefTime

public long getRefTime()

Returns the reference time stamp (milliseconds since millennium) for this task. All other times are reported in milliseconds after the reference time. Typically, reference time is the time when the system starts processing a message or notification.

Returns:

Reference timestamp of this task.

stageEnded

public void stageEnded(Dispatcher.Stage stage)

Do nothing at the end of a stage.

Specified by:

stageEnded in interface Dispatcher.Task

Parameters:

stage - Stage that have been just completed.