/**
* @param $debug
*
* @return ParaunitProcessInterface | null
*/
protected function runProcess($debug)
{
if ($this->maxProcessNumber > count($this->processRunning) && count($this->processStack) > 0) {
/** @var ParaunitProcessInterface $process */
$process = array_pop($this->processStack);
$process->start();
$this->processRunning[$process->getUniqueId()] = $process;
if ($debug) {
DebugPrinter::printDebugOutput($process, $this->processRunning);
}
return $process;
}
return null;
}
/**
* @return ParaunitProcessAbstract
*/
protected function runProcess()
{
if ($this->maxProcessNumber > count($this->processRunning) && !empty($this->processStack)) {
/** @var ParaunitProcessInterface $process */
$process = array_pop($this->processStack);
$process->start();
$this->processRunning[md5($process->getCommandLine())] = $process;
if ($this->debugMode) {
DebugPrinter::printDebugOutput($process, $this->processRunning);
}
return $process;
}
}