Package eu.woolplatform.utils.schedule

Class DefaultTaskScheduler

java.lang.Object

eu.woolplatform.utils.schedule.TaskScheduler

eu.woolplatform.utils.schedule.DefaultTaskScheduler

public class DefaultTaskScheduler
extends TaskScheduler

The default implementation of TaskScheduler. It uses a Timer. This is not a reliable way for task scheduling in Android, because Android devices may pause the CPU clock when they go to sleep.

Field Summary

Fields inherited from class eu.woolplatform.utils.schedule.TaskScheduler

LOGTAG

Constructor Summary

Constructors

Constructor	Description
DefaultTaskScheduler()

Method Summary

Modifier and Type	Method	Description
protected void	cancelScheduledTask(Object context, String taskId)	Cancels the scheduled task with the specified task ID.
protected boolean	canRunTaskOnMainThread()	Returns whether isRunOnWorkerThread() should be checked to see if a task should be run on the main thread or on the worker thread.
protected void	runOnUiThread(Runnable runnable)	Runs code on the UI thread in Android.
protected void	scheduleTask(Object context, ScheduledTaskSpec taskSpec)	Schedules a task at a specified time.

Methods inherited from class eu.woolplatform.utils.schedule.TaskScheduler

cancelTask, cancelTasksWithClass, findTasksWithClass, generateTaskId, initScheduledTasks, onTriggerTask, scheduleTask

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTaskScheduler

public DefaultTaskScheduler()

Method Detail

scheduleTask

protected void scheduleTask(Object context,
                            ScheduledTaskSpec taskSpec)

Description copied from class: TaskScheduler

Schedules a task at a specified time. At the due time it should call onTriggerTask(). In Android this method is called on the UI thread.

Specified by:

scheduleTask in class TaskScheduler

Parameters:

context - the context (only set in Android)

taskSpec - the specification of the task instance

cancelScheduledTask

protected void cancelScheduledTask(Object context,
                                   String taskId)

Description copied from class: TaskScheduler

Cancels the scheduled task with the specified task ID. In Android this method is called on the UI thread.

Specified by:

cancelScheduledTask in class TaskScheduler

Parameters:

context - the context (only set in Android)

taskId - the task ID

runOnUiThread

protected void runOnUiThread(Runnable runnable)

Description copied from class: TaskScheduler

Runs code on the UI thread in Android. In standard Java, the code can be run immediately on the calling thread.

Specified by:

runOnUiThread in class TaskScheduler

Parameters:

runnable - the code to run

canRunTaskOnMainThread

protected boolean canRunTaskOnMainThread()

Description copied from class: TaskScheduler

Returns whether isRunOnWorkerThread() should be checked to see if a task should be run on the main thread or on the worker thread. This is used in Android to run tasks on the UI thread. If this method returns false, a task is always run on a worker thread.

Specified by:

canRunTaskOnMainThread in class TaskScheduler

Returns:

true if a task can be run on the main thread, false otherwise