Todo.java

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import java.util.*;

public abstract class Todo extends TimerTask {
    //private static LinkedList manager = new LinkedList();
    private static Timer timer = null;

    Object arg1 = null;
    Object arg2 = null;

    public final synchronized static void reset() {
        if (timer!=null) timer.cancel();
        timer = null;
    }

    /*public final static void doActions() {
      while (!manager.isEmpty()) {
      try {
      Todo todo = (Todo)manager.removeFirst();
      System.out.println("Action: "+todo.toString());
      todo.action();
      } catch (Throwable e) {
      System.out.println("In Todo manager:");
      e.printStackTrace();
      }
      }
      }*/
    
    public void run() {
        try {
            //Todo todo = (Todo)manager.removeFirst();
            System.out.println("Action: "+toString());
            action();
        } catch (Throwable e) {
            System.out.println("In Todo manager:");
            e.printStackTrace();
        }
    }
    public abstract void action() throws Throwable;
    private void init() { 
        System.out.println("Queued: "+toString());
        //manager.add(this);
        if (timer==null) timer = new Timer();
        timer.schedule(this,1);
    };
    public Todo() { init(); };
    public Todo(Object a1) { arg1 = a1; init(); };
    public Todo(Object a1, Object a2) { 
        arg1 = a1; arg2 = a2; init(); };
}

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