public static function run(Task $task)
{
for ($i = 0; $i < 6; $i++) {
$task->response()->set_log(ceil(rand(0, 100) / 10));
}
return $task->get_request_data() * 2;
}
/**
* Modify task in queue
* @param Task $task
* @throws Exceptions\QueueException
* @return Task
*/
public function modify_task($task)
{
if (!$task instanceof Task) {
return false;
}
$need_commit = false;
if ($task->have_subtasks()) {
$need_commit = true;
$database_data = $this->driver->prepare_modify($task->get_uniqid());
if (is_null($database_data)) {
throw new QueueException('Task for modify not found');
}
foreach ($database_data as $id => $task_database_data) {
/**
* @var Task $modify_task
*/
$current_task = $id == 0 ? $task : $task->sub_tasks()->get($task_database_data[TaskConst::UNIQID]);
$current_task_data = $current_task->to_array();
//check not modified parameters
foreach ($this->not_modifiable_parameters as $not_modifiable_parameter) {
if ($current_task_data[$not_modifiable_parameter] != $task_database_data[$not_modifiable_parameter]) {
throw new QueueException("Parameter {$not_modifiable_parameter} was changed");
}
}
$diff = array_diff($current_task_data, $task_database_data);
$current_task->set_array($diff);
}
$task->set_subtasks_quantity_not_performed(0)->set_subtasks_error(0);
$have_in_process = false;
foreach ($task->sub_tasks()->get_all() as $sub_task) {
if ($sub_task->get_status() == Task::STATUS_IN_PROCESS) {
$have_in_process = true;
}
switch ($sub_task->get_status()) {
case Task::STATUS_CALLBACK_ERROR:
$task->completed_error(Task::STATUS_CALLBACK_ERROR);
case Task::STATUS_ERROR:
$task->inc_subtasks_error();
if ($sub_task->settings()->get_nested_settings('error_break')) {
$task->completed_error();
}
break;
case Task::STATUS_NEW:
$task->inc_subtasks_quantity_not_performed();
break;
}
}
if (!$have_in_process && $task->get_subtasks_quantity_not_performed() == 0 && !in_array($task->get_status(), array(Task::STATUS_ERROR, Task::STATUS_CALLBACK_ERROR))) {
if ($task->get_subtasks_error() > 0) {
$task->completed_error(Task::STATUS_DONE_WITH_ERROR);
} else {
$task->completed_ok();
}
}
$this->driver->modify_task($task->sub_tasks()->get_perform_task());
}
$this->driver->modify_task($task, $need_commit);
return $task;
}
/**
* Get parent request data
* @return null
*/
public function get_parent_request_data()
{
if (is_null($this->parent_task)) {
return null;
}
return $this->parent_task->get_request_data();
}
public static function run(Task $task)
{
return $task->get_request_data() * 2;
}
/**
* Set current perform sub task
* This task already have status "IN_PROCESS" in base
* @param \PhpQueue\Task $perform_task
* @return $this
*/
public function add_perform_task(Task $perform_task)
{
$this->perform_task = $perform_task->get_uniqid();
$this->add($perform_task);
return $this;
}
/**
* Execute task
* @param Task $task
* @return Task
*/
public function execute_task($task)
{
if (!$task instanceof Task) {
return false;
}
if (is_null($task->get_start_date())) {
$task->set_start_date(date('Y-m-d H:i:s'));
}
$task->set_performer($this->performer_name);
if ($task->have_subtasks()) {
if (!$task->get_exclusive()) {
$task->null_performer();
}
$this->execute_task($task->sub_tasks()->get_perform_task());
return $task;
}
$callback_classes_founded = $task->check_callback_class_names();
if (!$callback_classes_founded) {
$task->set_status(Task::STATUS_ERROR);
return $task;
}
$exec_array = $this->default_job_priority;
for ($job_id = 0; $job_id < count($exec_array); $job_id++) {
/**
* @var \PhpQueue\Interfaces\IJob|\PhpQueue\Interfaces\ICallback|\PhpQueue\Interfaces\IErrorCallback
*/
$exec_class = null;
$job_type = $exec_array[$job_id];
switch ($job_type) {
case TaskConst::JOB:
$exec_class = $task->get_task_name();
break;
case TaskConst::TASK_CALLBACK:
$exec_class = $task->get_callback();
break;
case TaskConst::PARENT_CALLBACK:
$exec_class = $task->get_parent_callback();
break;
case TaskConst::GLOBAL_CALLBACK:
$exec_class = $this->get_global_callback();
break;
case TaskConst::TASK_ERROR_CALLBACK:
$exec_class = $task->get_error_callback();
break;
case TaskConst::PARENT_ERROR_CALLBACK:
$exec_class = $task->get_parent_error_callback();
break;
case TaskConst::GLOBAL_ERROR_CALLBACK:
$exec_class = $this->get_global_error_callback();
break;
}
if (is_null($exec_class)) {
continue;
}
$method_name = $this->interface_methods[Helper::interface_job($job_type)];
try {
$response = call_user_func_array(array($exec_class, $method_name), array($task));
if ($job_type == TaskConst::JOB) {
$task->completed_ok()->response()->set_response($response);
}
} catch (\Exception $exception) {
$task->response()->set_error($exception->getMessage() . " File: " . $exception->getFile() . " Line: " . $exception->getLine());
if ($job_type != TaskConst::JOB) {
$task->set_status(Task::STATUS_CALLBACK_ERROR);
break;
}
$job_id = 0;
$exec_array = $this->default_error_job_priority;
if ($task->settings()->get_trial() >= $task->settings()->get_nested_settings('error_max_trial')) {
$task->completed_error();
} else {
$task->set_status(Task::STATUS_NEW)->settings()->inc_trial();
}
}
}
return $task;
}
/**
* Modify task in queue
* @param Task $task
* @param bool $need_commit Transaction commit required
* @return bool
*/
public function modify_task(Task $task, $need_commit = false)
{
if (is_null($this->file_handler)) {
$this->lock_file();
}
$xml_dom = $this->get_xml_dom();
$task_xml = $xml_dom->xpath("//" . self::TASK_XML . "[@" . TaskConst::UNIQID . "='" . $task->get_uniqid() . "']");
$task_xml = $task_xml[0];
foreach ($task->get($this->index_row) as $item_name => $item_value) {
$task_xml[$item_name] = $item_value;
}
$this->save_task($task);
$this->save_xml_dom($xml_dom);
$this->release_file();
return $this;
}
/**
* @depends test_get_task_without_set_process_by_uniqid
*/
public function test_task_execution_time()
{
$simple_task = new Task(self::JOB);
$simple_task->set_execution_date(date('Y-m-d H:i:s', strtotime('now') + 3));
self::$queue->add_task($simple_task);
$task = self::$queue->get_task();
$this->assertFalse($task);
sleep(10);
$task = self::$queue->get_task();
$this->check_asserts($task, array());
self::$task_performer1->execute_task($task);
$this->check_asserts($task, array('status' => Task::STATUS_DONE));
self::$queue->modify_task($task);
}
/**
* Modify task in queue
* @param Task $task
* @param bool $need_commit Transaction commit required
* @return bool
*/
public function modify_task(Task $task, $need_commit = false)
{
$task_array = $task->to_array(true);
if (count($task_array) > 1) {
$update_statement = implode(",", array_filter(array_map(function ($entity) {
if ($entity == TaskConst::ID) {
return null;
}
return $entity . "=:" . $entity;
}, array_keys($task_array))));
$query = $this->connection->prepare("UPDATE {$this->table_name} SET {$update_statement} where id = :id");
$query->execute($task_array);
}
if ($need_commit) {
$this->connection->commit();
}
return $this;
}