/**
* process events
*
* @param Charcoal_IEventContext $context
*
* @return int
*
* @throws Charcoal_BusinessException|Charcoal_RuntimeException
*/
public function processEvents($context)
{
$debug = $this->getSandbox()->isDebug() || $context->getProcedure()->isDebugMode();
if ($debug) {
log_debug('system,event', "processEvents start.");
}
// $procedure = $context->getProcedure();
// $request = $context->getRequest();
// $sequence = $context->getSequence();
// $response = $context->getResponse();
$max_event_loop = $this->max_event_loop;
$exit_code = 0;
try {
$queue = $this->queue;
$timer_all = Charcoal_Benchmark::start();
$loop_id = 0;
while (!$queue->isEmpty()) {
if ($debug) {
log_debug('system,event', "event queue(" . count($queue) . "): {$queue}");
}
// increment loop counter
$loop_id++;
// イベント一覧を優先度でソートする
$queue->sortByPriority();
/** @var Charcoal_IEvent $event */
$event = $queue->dequeue();
/** @var string $event_name */
$event_name = $event->getObjectName();
/** @var Charcoal_ObjectPath $event_id */
$event_id = $event->getObjectPath();
$delete_event = FALSE;
$context->setEvent($event);
// if this event loop exceeds [max_event_loop], thro exception
if ($loop_id > $max_event_loop) {
log_warning("system,event", "[loop:{$loop_id}/{$event_name}] aborting by overflow maximum loop count[{$max_event_loop}].", "task_manager");
log_warning("system,event", "[loop:{$loop_id}/{$event_name}] event queue=[{$queue}].", "task_manager");
_throw(new Charcoal_EventLoopCounterOverflowException($max_event_loop));
}
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] event loop start.");
}
// タスク一覧を優先度でソートする
$key_priority = array();
foreach ($this->tasks as $key => $task) {
$key_priority[$key] = ui($task->getPriority());
}
$a_task_list = uv($this->tasks);
array_multisort($key_priority, SORT_DESC, $a_task_list);
$this->tasks = v($a_task_list);
// task list to remove on end of this loop
$remove_tasks = NULL;
// すべてのタスクにイベントをディスパッチする
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] task list: [{$this->tasks}]");
}
foreach ($this->tasks as $task) {
$task_name = $task->getObjectName();
$task_id = $task->getObjectPath();
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] event[{$event_name}] is dispatching to task[{$task_name}].");
}
// イベントフィルタ
$process = FALSE;
$event_filters = $task->getEventFilters();
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] task event filter: " . $event_filters);
}
foreach ($event_filters as $filter) {
if ($event_id->getObjectPathString() == us($filter)) {
$process = TRUE;
break;
}
}
if (!$process) {
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] event[{$event_name}] is NOT found in task's event filters: [{$event_filters}]. Passing this task.");
}
continue;
}
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] event[{$event_name}] is found in task's event filters: [{$event_filters}].");
}
// task timer start
$timer_task = Charcoal_Benchmark::start();
$result = NULL;
try {
$result = $task->processEvent($context);
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] returned from processEvent with result:" . print_r($result, true));
}
} catch (Charcoal_BusinessException $e) {
// just handle the exception
$exception_handled = $task->handleException($e, $context);
if (b($exception_handled)->isFalse()) {
// just re-throw the exception, if the exception was not handled by the task
throw $e;
}
} catch (Charcoal_RuntimeException $e) {
// write log and handle the exception
_catch($e);
$exception_handled = $task->handleException($e, $context);
if (b($exception_handled)->isFalse()) {
// write log and re-throw the exception, if the exception was not handled by the task
_throw($e);
}
}
// result value handling
$result_str = NULL;
if ($result === NULL) {
$result_str = 'NULL';
} elseif ($result === FALSE || $result instanceof Charcoal_Boolean && $result->isFalse()) {
$result_str = 'FALSE';
$result = FALSE;
} elseif ($result === TRUE || $result instanceof Charcoal_Boolean && $result->isTrue()) {
$result_str = 'TRUE';
$result = TRUE;
} else {
$msg = "processEvent() must return a [boolean] value. but returned:" . print_r($result, true);
log_error('system,event,error', $msg, self::TAG);
_throw(new Charcoal_ProcessEventAtTaskException($event, $task, $result, $msg));
}
// task timer stop
$elapse = Charcoal_Benchmark::stop($timer_task);
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] event was processed by task. result=[{$result_str}] time=[{$elapse}]msec.");
// ポストアクション
$post_actions = $task->getPostActions();
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] task post actions: {$post_actions}");
}
if ($result && $post_actions) {
foreach ($post_actions as $key => $action) {
$target = NULL;
$action = us($action);
if (strpos(":", $action) !== FALSE) {
list($action, $target) = explode(":", trim($action));
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] post action[{$action}] with target[{$target}].");
}
} else {
$action = trim($action);
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] post action[{$action}].");
}
}
switch ($action) {
case "remove_task":
// タスク実行リストからタスクを削除
if (!$target) {
$target = $task_id;
}
if ($target == $task_id) {
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] task[{$target}] is marked to remove.");
}
$remove_tasks[] = $task_id;
}
break;
case "remove_event":
// イベントを削除
if (!$target) {
$target = $event_id;
}
if ($target == $event_id) {
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] event[{$target}] is marked to remove.");
}
$delete_event |= TRUE;
}
break;
case "continue_event":
// イベントをキューに再投入
break;
}
}
} else {
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}/{$task_name}] no post action is defined for event.");
}
}
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] task loop end.");
}
}
// task loop end
// remove tasks
if ($remove_tasks) {
foreach ($remove_tasks as $task_id) {
unset($this->tasks["{$task_id}"]);
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] removed task: {$task_id}");
}
}
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] next task list: [{$this->tasks}]");
}
}
if (!$delete_event) {
// push back the event into our event queue
$this->pushEvent($event);
} else {
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] event[{$event}] is removed.");
}
}
if ($debug) {
log_debug('system,event', "[loop:{$loop_id}/{$event_name}] event loop end.");
}
}
// event loop end
if ($queue->isEmpty()) {
if ($debug) {
log_debug('system,event', "event queue is empty.");
}
$exit_code = Charcoal_Event::EXIT_CODE_OK;
}
// ログ
$elapse = Charcoal_Benchmark::stop($timer_all);
if ($debug) {
log_debug('system,event', "event loop end. time=[{$elapse}]msec.");
}
} catch (Charcoal_RuntimeException $e) {
_catch($e, true);
if ($debug) {
log_debug('system,event,debug', "an exception occured while processing event.");
}
_throw(new Charcoal_ProcessEventAtTaskManagerException($e));
}
if ($debug) {
log_debug('system,event', "processEvents end: exit_code=" . print_r($exit_code, true));
}
return $exit_code;
}