org.snmp4j.util

Class TaskScheduler

java.lang.Object

org.snmp4j.util.TaskScheduler

All Implemented Interfaces:

Runnable

public class TaskScheduler
extends Object
implements Runnable

The TaskScheduler uses a ThreadPool to recurrent execute SchedulerTasks.

Since:

1.6

Version:

1.6

Author:

Frank Fock

Field Summary

Fields

Modifier and Type	Field and Description
protected long	schedulerTimeout

Constructor Summary

Constructors

Constructor and Description
TaskScheduler(ThreadPool threadPool) Creates a TaskScheduler that uses the supplied ThreadPool to execute tasks.

Method Summary

Modifier and Type	Method and Description
void	addTask(SchedulerTask task) Adds a task to the scheduler.
void	clear() Removes all tasks.
boolean	isStop() Checks if the scheduler is (to be) stopped.
boolean	removeTask(SchedulerTask task) Removes a task from the scheduler.
void	run() Runs the scheduler.
void	setStop(boolean stop) Stops the schedulers run method.

Methods inherited from class java.lang.Object

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

Field Detail

schedulerTimeout

protected long schedulerTimeout

Constructor Detail

TaskScheduler

public TaskScheduler(ThreadPool threadPool)

Creates a TaskScheduler that uses the supplied ThreadPool to execute tasks.

Parameters:

threadPool - a ThreadPool.

Method Detail

addTask

public void addTask(SchedulerTask task)

Adds a task to the scheduler.

Parameters:

task - a SchedulerTask.

removeTask

public boolean removeTask(SchedulerTask task)

Removes a task from the scheduler.

Parameters:

task - the SchedulerTask to be removed from the scheduler

Returns:

true if the task could be removed.

clear

public void clear()

Removes all tasks.

run

public void run()

Runs the scheduler. While in this method tasks are scheduled on the internal thread pool. The scheduler tries to schedule task fairly.

Specified by:

run in interface Runnable

setStop

public void setStop(boolean stop)

Stops the schedulers run method.

Parameters:

stop - true to stop the scheduler.

isStop

public boolean isStop()

Checks if the scheduler is (to be) stopped.

Returns:

true if the scheduler has been stopped or is being stopped.