/**
* Returns the list of the task names.
*
* @return string[]
*/
public function getTaskList()
{
$tasks = $this->loader->loadTasks();
return array_map(function (Task $task) {
return $task->getName();
}, $tasks);
}
/**
* Executes tasks that are scheduled to run, then reschedules them.
*
* @return array An array describing the results of scheduled task execution. Each element
* in the array will have the following format:
*
* ```
* array(
* 'task' => 'task name',
* 'output' => '... task output ...'
* )
* ```
*/
public function run()
{
$tasks = $this->loader->loadTasks();
$this->logger->debug('{count} scheduled tasks loaded', array('count' => count($tasks)));
// remove from timetable tasks that are not active anymore
$this->timetable->removeInactiveTasks($tasks);
$this->logger->info("Starting Scheduled tasks... ");
// for every priority level, starting with the highest and concluding with the lowest
$executionResults = array();
for ($priority = Task::HIGHEST_PRIORITY; $priority <= Task::LOWEST_PRIORITY; ++$priority) {
$this->logger->debug("Executing tasks with priority {priority}:", array('priority' => $priority));
// loop through each task
foreach ($tasks as $task) {
// if the task does not have the current priority level, don't execute it yet
if ($task->getPriority() != $priority) {
continue;
}
$taskName = $task->getName();
$shouldExecuteTask = $this->timetable->shouldExecuteTask($taskName);
if ($this->timetable->taskShouldBeRescheduled($taskName)) {
$rescheduledDate = $this->timetable->rescheduleTask($task);
$this->logger->debug("Task {task} is scheduled to run again for {date}.", array('task' => $taskName, 'date' => $rescheduledDate));
}
if ($shouldExecuteTask) {
$this->logger->info("Scheduler: executing task {taskName}...", array('taskName' => $taskName));
$timer = new Timer();
$this->isRunningTask = true;
$message = $this->executeTask($task);
$this->isRunningTask = false;
$this->logger->info("Scheduler: finished. {timeElapsed}", array('taskName' => $taskName, 'timeElapsed' => $timer));
$executionResults[] = array('task' => $taskName, 'output' => $message);
}
}
}
$this->logger->info("done");
return $executionResults;
}
