| 1 | package felix.society; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.concurrent.ExecutorService; |
| 5 | |
| 6 | import felix.society.Task.TaskType; |
| 7 | |
| 8 | /** |
| 9 | * TaskList -- Subtasks in it must be executed in order, |
| 10 | * and the downstream tasks can be executed only if |
| 11 | * the upstream tasks are joined. |
| 12 | * @author czhang |
| 13 | * |
| 14 | */ |
| 15 | public class TaskList extends Task{ |
| 16 | |
| 17 | public TaskList(){ |
| 18 | super(TaskType.TASKLIST); |
| 19 | } |
| 20 | |
| 21 | public TaskList(int _nRuns){ |
| 22 | super(TaskType.TASKLIST, _nRuns); |
| 23 | } |
| 24 | |
| 25 | @Override |
| 26 | public Worker generateWorker(){ |
| 27 | return null; |
| 28 | } |
| 29 | |
| 30 | public Worker generateWorker(ExecutorService pool) { |
| 31 | return new TaskListExecutionWorker(this.subTasks, pool); |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Worker for running this TaskList. |
| 36 | * @author czhang |
| 37 | * |
| 38 | */ |
| 39 | public class TaskListExecutionWorker extends Worker{ |
| 40 | |
| 41 | ArrayList<Task> subtasks; |
| 42 | ExecutorService pool; |
| 43 | |
| 44 | public TaskListExecutionWorker(ArrayList<Task> _subtasks, |
| 45 | ExecutorService _pool){ |
| 46 | subtasks = _subtasks; |
| 47 | pool = _pool; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public void run() { |
| 52 | |
| 53 | try{ |
| 54 | for(Task t : subTasks){ |
| 55 | if(t.getType() == TaskType.TASK){ |
| 56 | currentWorker = t.generateWorker(); |
| 57 | currentFuture = pool.submit(currentWorker); |
| 58 | currentFuture.get(); |
| 59 | }else{ |
| 60 | currentWorker = t.generateWorker(pool); |
| 61 | currentFuture = softpool.submit(currentWorker); |
| 62 | currentFuture.get(); |
| 63 | } |
| 64 | } |
| 65 | }catch(Exception e){ |
| 66 | submitException(e); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | } |
| 71 | |
| 72 | } |
| 73 | |
| 74 | |
| 75 | |
| 76 | |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | |