001/**
002 * Copyright (C) 2014  Universidade de Aveiro, DETI/IEETA, Bioinformatics Group - http://bioinformatics.ua.pt/
003 *
004 * This file is part of Dicoogle/dicoogle.
005 *
006 * Dicoogle/dicoogle is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * Dicoogle/dicoogle is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with Dicoogle.  If not, see <http://www.gnu.org/licenses/>.
018 */
019
020package pt.ua.dicoogle.taskManager;
021
022import java.util.concurrent.ExecutionException;
023import java.util.concurrent.ExecutorService;
024import java.util.concurrent.Executors;
025import java.util.concurrent.Future;
026import pt.ua.dicoogle.sdk.task.Task;
027
028/**
029 * 
030 * This is a task manager for Dicoogle.
031 * Currently it is based on a fixed thread pool executor with a maximum of 4 threads executing simultaneously. 
032 * 
033 * TODO: change interface to use generics.
034 * 
035 * @author psytek
036 */
037public class TaskManager {
038    ExecutorService taskExecutor;
039    int nConcurrentThreads = 3;
040    
041    public TaskManager(){
042        taskExecutor = Executors.newFixedThreadPool(nConcurrentThreads);
043    }
044    
045    public TaskManager(int nConcurrentThreads){
046        this.nConcurrentThreads = nConcurrentThreads;
047        taskExecutor = Executors.newFixedThreadPool(nConcurrentThreads);
048    }
049    
050    /**asynch execution of a task*/
051    public void dispatch(Task<?> t){
052        taskExecutor.submit(t);
053    }
054    
055    
056
057}