oracle.bali.share.thread
Class TaskEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--oracle.bali.share.thread.TaskEvent

All Implemented Interfaces:

java.io.Serializable

public class TaskEvent

extends java.util.EventObject

An event supplied to Tasks to provide them with context about their execution.

See Also:

TaskScheduler, Serialized Form

Fields inherited from class java.util.EventObject

source

Constructor Summary

TaskEvent(java.lang.Object source, Task task, long expectedTime)
Creates a TaskEvent.

Method Summary

long	getExpectedTime() Returns the absolut etime when this task was expected to be executed.
Task	getTask() Returns the task for this event.
long	getTimeDelta() Returns the difference between when the task expected to be executed and the current time.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskEvent

public TaskEvent(java.lang.Object source,
                 Task task,
                 long expectedTime)

Creates a TaskEvent.

Parameters:

source - the source of this event, e.g. the scheduler executing the task.

the - task being executed

expectedTime - the absolute time at which the task expected to be executed

Method Detail

getTask

public Task getTask()

Returns the task for this event.

getExpectedTime

public long getExpectedTime()

Returns the absolut etime when this task was expected to be executed. The time is that returned by System.currentTimeMillis().

getTimeDelta

public final long getTimeDelta()

Returns the difference between when the task expected to be executed and the current time. This value can be used to implement drift-free timing.