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<?php
namespace ProcessMaker;
use ProcessMaker\Models\GlobalDataStore;
use ProcessMaker\Models\ProcessRequest;
use ProcessMaker\Nayra\Contracts\Bpmn\ProcessInterface;
use ProcessMaker\Nayra\Contracts\Bpmn\StartEventInterface;
use ProcessMaker\Nayra\Contracts\Bpmn\TimerEventDefinitionInterface;
use ProcessMaker\Nayra\Contracts\Engine\EngineInterface;
use ProcessMaker\Nayra\Contracts\EventBusInterface;
use ProcessMaker\Nayra\Contracts\RepositoryInterface;
use ProcessMaker\Nayra\Engine\EngineTrait;
use ProcessMaker\Repositories\BpmnDocument;
/**
* Test implementation for EngineInterface.
*/
class BpmnEngine implements EngineInterface
{
use EngineTrait;
public const INACTIVE_TOKEN_STATUSES = ['CLOSED', 'TRIGGERED', 'COMPLETED'];
/**
* @var array|null
*/
private $nextInlineJob = null;
/**
* @var bool
*/
private $inlineTaskExecutionEnabled = false;
/**
* @var RepositoryFactoryInterface
*/
private $repository;
/**
* @var EventBusInterface
*/
private $dispatcher;
/**
* Loaded versioned definitions
*/
private $definitions = [];
public $uid;
/**
* Test engine constructor.
*
* @param RepositoryInterface $repository
* @param EventBusInterface $dispatcher
*/
public function __construct(RepositoryInterface $repository, $dispatcher)
{
$this->uid = uniqid();
$this->repository = $repository;
$this->dispatcher = $dispatcher;
$this->setDataStore(new GlobalDataStore());
}
/**
* @return EventBusInterface
*/
public function getDispatcher()
{
return $this->dispatcher;
}
/**
* @param EventBusInterface $dispatcher
*
* @return $this
*/
public function setDispatcher(EventBusInterface $dispatcher)
{
$this->dispatcher = $dispatcher;
return $this;
}
/**
* @return RepositoryInterface
*/
public function getRepository()
{
return $this->repository;
}
public function getExecutionInstances()
{
return $this->executionInstances;
}
/**
* @param RepositoryInterface $repository
*
* @return $this
*/
public function setRepository(RepositoryInterface $repository)
{
$this->repository = $repository;
return $this;
}
/**
* Load an execution instance from an external storage.
*
* @param ProcessRequest $instance
*
* @return ExecutionInstanceInterface|null
*/
public function loadProcessRequest(ProcessRequest $instance)
{
// If exists return the already loaded instance by id
foreach ($this->executionInstances as $executionInstance) {
if ($executionInstance->getId() === $instance->getKey()) {
return $executionInstance;
}
}
$definitions = $this->getDefinition($instance->processVersion ?? $instance->process);
$instance = $this->loadExecutionInstance($instance->getKey(), $definitions);
return $instance;
}
public function getDefinition($processVersion)
{
$key = $processVersion->getKey();
if (!isset($this->definitions[$key])) {
$this->definitions[$key] = $processVersion->getDefinitions(false, $this);
$this->loadProcessDefinitions($this->definitions[$key]);
}
return $this->definitions[$key];
}
/**
* Load a process definitin to the engine
*
* @param BpmnDocument $definitions
* @return void
*/
public function loadProcessDefinitions(BpmnDocument $definitions)
{
//Load the collaborations
$collaborations = $definitions->getElementsByTagNameNS(BpmnDocument::BPMN_MODEL, 'collaboration');
foreach ($collaborations as $collaboration) {
$this->loadCollaboration($collaboration->getBpmnElementInstance());
}
//Load the collaborations
$processes = $definitions->getElementsByTagNameNS(BpmnDocument::BPMN_MODEL, 'process');
foreach ($processes as $process) {
$this->loadProcess($process->getBpmnElementInstance());
}
}
public function registerStartTimerEvents(ProcessInterface $process)
{
$this->getJobManager()->enableRegisterStartEvents();
foreach ($process->getEvents() as $event) {
if ($event instanceof StartEventInterface) {
//$event->scheduleTimerEvents(null);
//$event->registerWithEngine($this);
foreach ($event->getEventDefinitions() as $eventDefinition) {
if ($eventDefinition instanceof TimerEventDefinitionInterface) {
$eventDefinition->scheduleTimerEvents($event->getOwnerProcess()->getEngine(), $event, null);
}
}
}
}
$this->getJobManager()->disableRegisterStartEvents();
}
public function isInlineTaskExecutionEnabled(): bool
{
return $this->inlineTaskExecutionEnabled;
}
public function setInlineTaskExecutionEnabled(bool $enabled): void
{
$this->inlineTaskExecutionEnabled = $enabled;
}
public function scheduleInlineJob(array $job): void
{
// This is a single pending-job slot; replacing it would silently skip a task.
if ($this->nextInlineJob !== null) {
throw new \LogicException('An inline BPMN job is already scheduled.');
}
$this->nextInlineJob = $job;
}
public function pullInlineJob(): ?array
{
$job = $this->nextInlineJob;
$this->nextInlineJob = null;
return $job;
}
}