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<?
/**
* This class could be changed (removed, renamed, relocated) in any time, so do not use it in public code
*
* @internal
* @access private
*/
namespace Bitrix\Tasks\Processor\Task;
use Bitrix\Main\NotImplementedException;
use Bitrix\Tasks\Internals\RunTime;
use Bitrix\Tasks\Processor\Task\Result;
use Bitrix\Tasks\Processor\Task\Scheduler\Result\Impact;
use Bitrix\Tasks\Processor\Task\Scheduler\RelationManager;
use Bitrix\Tasks\Processor\Task\Scheduler\RelationManager\Project;
use Bitrix\Tasks\Processor\Task\Scheduler\RelationManager\SubTask;
use Bitrix\Tasks\Item;
final class Scheduler extends \Bitrix\Tasks\Processor
{
protected $queue = array();
/**
* @var Impact[]
*/
protected $met = array();
protected $processors = array();
/**
* Get affected tasks, going through Gantt dependence and sub-task dependence
*
* @param $id int task
* @param mixed[] changed fields
* @param mixed[] $settings
* @return \Bitrix\Tasks\Processor\Task\Result
*/
public function processEntity($id, $data = array(), array $settings = array())
{
$result = parent::processEntity($id, $data, $settings);
$id = intval($id);
// todo: Impact class is TEMPORAL, it should be replaced with (or at least inherited from) \Bitrix\Tasks\Item\Task when ready
// we set impact on $id regardless of its location in project or being a sub-task
$taskImpact = new Impact($id, $this->getUserId());
if(is_array($data))
{
$taskImpact->setDataUpdated($data);
}
// now we must see if impact on $id affects other tasks...
$inSubTask = SubTask::isTaskBelong($id, $data);
$inProject = Project::isTaskBelong($id, $data);
$this->addImpact($taskImpact);
if($inSubTask || $inProject)
{
if($inSubTask)
{
$this->pushQueue($id, $this->getRelationProcessor('S'));
}
if($inProject)
{
$this->pushQueue($id, $this->getRelationProcessor('P'));
}
$times = 0;
while(count($this->queue) && $times < 10000)
{
$times++;
$next = array_shift($this->queue);
/** @var \Bitrix\Tasks\Processor\Task\Scheduler\RelationManager\Project|\Bitrix\Tasks\Processor\Task\Scheduler\RelationManager\SubTask $nextProcessor */
$nextProcessor = $next['PROCESSOR'];
$metKey = $next['ID'].'-'.$nextProcessor->getCode();
if($this->met[$metKey])
{
continue; // just do not go the same way twice
}
$this->met[$metKey] = true;
/** @var \Bitrix\Tasks\Processor\Task\Scheduler\Result\Impact $impact */
$impact = $this->getImpactById($next['ID']);
$processorSettings = array();
if($impact->getId() == $id) // root impact is being processed
{
$processorSettings['MODE'] = $settings['MODE'];
}
$nextProcessor->processTask($impact, $result, $processorSettings);
}
if($times >= 10000)
{
$result->addError('ILLEGAL_STRUCTURE.DEPTH', 'Insane tree depth faced');
}
}
$result->setData($this->affected);
return $result;
}
/**
* @param int|mixed[] $task
* @return Impact
*/
public function defineTaskDates($task)
{
$result = new Result();
$task = new Impact($task, $this->getUserId());
$startDatePlanSet = (string) $task['START_DATE_PLAN'] != '';
$endDatePlanSet = (string) $task['END_DATE_PLAN'] != '';
if($startDatePlanSet && $endDatePlanSet)
{
return $result;
}
$task->resetDates();
$result->setData(array($task));
return $result;
}
public function pushQueue($id, $handler)
{
$this->queue[] = array(
'ID' => $id,
'PROCESSOR' => $handler,
);
}
protected function reset()
{
$this->queue = array();
$this->affected = array();
$this->met = array();
}
public function getRelationProcessor($code)
{
if(!$this->processors[$code])
{
$instance = null;
if($code == 'S')
{
$instance = new SubTask();
}
elseif($code == 'P')
{
$instance = new Project();
}
else
{
throw new NotImplementedException();
}
$instance->setScheduler($this);
$this->processors[$code] = $instance;
}
return $this->processors[$code];
}
}