org.hawaiiframework.async.statistics

Class TaskStatistics

java.lang.Object

org.hawaiiframework.async.statistics.TaskStatistics

public final class TaskStatistics
extends java.lang.Object

Statistics about a task.

It registers, in nano-seconds, the queue time, the execution time and the total time (queue time + execution time).

Since:

2.0.0

Author:

Rutger Lubbers

Constructor Summary

Constructors

Constructor and Description
TaskStatistics() The constructor, sets the queue start time.

Method Summary

Modifier and Type	Method and Description
void	enqueue() Set the timestamp the task is offered for execution.
java.lang.Long	getExecutionTime() Get the time (in nano seconds) the task was executing.
java.lang.Long	getQueueTime() Get the time (in nano seconds) the task was in the queue.
java.lang.Long	getTotalTime() Get the time (in nano seconds) the task took from start (offer / queue) to completion.
void	startExecution() Set the timestamp the task is actually run.
void	stopExecution() Set the timestamp the task is finished running.

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskStatistics

public TaskStatistics()

The constructor, sets the queue start time.

Method Detail

enqueue

public void enqueue()

Set the timestamp the task is offered for execution.

startExecution

public void startExecution()

Set the timestamp the task is actually run.

stopExecution

public void stopExecution()

Set the timestamp the task is finished running.

getQueueTime

public java.lang.Long getQueueTime()

Get the time (in nano seconds) the task was in the queue.

Returns:

the interval the task was queued.

getExecutionTime

public java.lang.Long getExecutionTime()

Get the time (in nano seconds) the task was executing.

Returns:

the interval the task was running.

getTotalTime

public java.lang.Long getTotalTime()

Get the time (in nano seconds) the task took from start (offer / queue) to completion.

This is the same as queue time + execution time.

Returns:

the total time the task took to complete.