package dk.daoas.adressevedligehold.tasks;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import dk.daoas.adressevedligehold.tasks.Task.TaskBean;

public class TaskManager {
	
	public static final String TASKMANAGER = "TASKMANAGER";
	
	ExecutorService executor = Executors.newFixedThreadPool(1);

	
	private ArrayList<Task> tasks = new ArrayList<Task>();

	private Task currentTask;
	
	public List<TaskBean> getTasks() {
		ArrayList<TaskBean> tmpList = new ArrayList<TaskBean>();
		for (Task t : tasks) {
			tmpList.add( t.getTaskBean() );
		}
		
		Collections.reverse(tmpList);
		
		return tmpList;
	}
	
	public void setCurrentTask(Task task) {
		this.currentTask = task;
	}
	
	public Task getCurrentTask() {
		return this.currentTask;
	}
	
	void shutDown() {
		if (currentTask != null) {
			currentTask.doAbort();	
		}
		
		executor.shutdownNow();
	}
	
	public void submitTask(Task newTask) {
		newTask.setManager(this);
		
		tasks.add(newTask);
		executor.submit(newTask);
	}
	

}