3 namespace CoreFramework\Handler\Task;
5 // Import framework stuff
6 use CoreFramework\Handler\DataSet\HandleableDataSet;
9 * A HandleableTask interface
11 * @author Roland Haeder <webmaster@shipsimu.org>
13 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
14 * @license GNU GPL 3.0 or any newer version
15 * @link http://www.shipsimu.org
16 * @todo HandleableDataSet looks strange here
18 * This program is free software: you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation, either version 3 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 interface HandleableTask extends HandleableDataSet {
33 * Searches a task by given instance
35 * @param $taskInstanc An instanceof a Taskable class
36 * @return $taskName Name of the task as used while registration
38 function searchTask (Taskable $taskInstance);
41 * Registers a task with a task handler.
43 * @param $taskName A task name to register the task on
44 * @param $taskInstance The instance we should register as a task
47 function registerTask ($taskName, Visitable $taskInstance);
50 * Checks whether tasks are left including idle task
52 * @return $tasksLeft Whether there are tasks left to handle
54 function hasTasksLeft ();
57 * Handles all tasks by checking if they should startup or if it is their
58 * turn to run. You should use this method in a while() loop in conjuntion
59 * with hasTasksLeft() so you can e.g. shutdown by adding a ShutdownTask
60 * which will attempt to remove all tasks from the task handler.
64 function handleTasks ();
67 * Shuts down all tasks and the task handler itself. This method should be
68 * called from a corresponding filter class.
72 function doShutdown ();