/** * Emits a signal. * * @param object $signal \XPSPL\SIG * * @return object Event */ public function emit(SIG $signal) { if (XPSPL_DEBUG) { logger(XPSPL_LOG)->debug(sprintf('%s emitted', $signal)); } // Store the history of the signal if (false !== $this->_history) { $this->_history[] = [$signal, microtime()]; } // Set child status if (count($this->_signal) > 1) { $signal->set_parent($this->current_signal()); } // Check if signal is installed $memory = $this->find_signal_database($signal); if (null === $memory) { $memory = new \XPSPL\database\Processes(); } else { if (XPSPL_DEBUG) { logger(XPSPL_LOG)->debug('Signal with no installed processes emitted'); } } // Evaluate complex signals $evaluated = $this->evaluate_signals($signal); if (null !== $evaluated) { foreach ($evaluated as $_db) { $memory->merge($_db); } } // Execute if we have processes if ($memory->count() > 0) { // Set as currently executing signal $this->_signal[] = $signal; // Execute $this->_execute($signal, $memory); // Remove once finished array_pop($this->_signal); } return $signal; }
/** * Determine if the given database processes are exhausted. * * @param object $queue \XPSPL\database\Processes * * @return boolean */ public function are_processes_exhausted(\XPSPL\database\Processes $database) { if ($database->count() === 0) { return true; } $database->reset(); while ($database->valid()) { if ($database->current() instanceof \XPSPL\database\Processes) { if (!$this->are_processes_exhausted($database->current())) { return false; } } elseif (!$database->current()->is_exhausted()) { return false; } $database->next(); } return true; }