Module org.snmp4j

Class 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
    Author:
    Frank Fock
    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected long schedulerTimeout  
    • Constructor Summary

      Constructors 
      Constructor 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 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 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.