TaskScheduler

java.lang.Object
- org.snmp4j.util.TaskScheduler

All Implemented Interfaces:

java.lang.Runnable
```
public class TaskScheduler
extends java.lang.Object
implements java.lang.Runnable
```
The TaskScheduler uses a ThreadPool to recurrent execute SchedulerTasks.

Since:

1.6

Version:

1.6

Field Summary

Fields
Modifier and Type	Field and Description
`private static long`	`DEFAULT_SCHEDULER_TIMEOUT`
`private LogAdapter`	`logger`
`protected long`	`schedulerTimeout`
`private boolean`	`stop`
`private java.util.LinkedList<SchedulerTask>`	`tasks`
`private ThreadPool`	`threadPool`

Constructor Summary

Constructors
Constructor and Description

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

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

Method Summary

All Methods Instance Methods Concrete Methods
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
  - logger
```
private LogAdapter logger
```
  - DEFAULT_SCHEDULER_TIMEOUT
```
private static final long DEFAULT_SCHEDULER_TIMEOUT
```
    See Also:
    
    Constant Field Values
  - tasks
```
private java.util.LinkedList<SchedulerTask> tasks
```
  - threadPool
```
private ThreadPool threadPool
```
  - stop
```
private boolean stop
```
  - 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 java.lang.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.

Class TaskScheduler

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

logger

DEFAULT_SCHEDULER_TIMEOUT

tasks

threadPool

stop

schedulerTimeout

Constructor Detail

TaskScheduler

Method Detail

addTask

removeTask

clear

run

setStop

isStop