DOES::execute

public function execute(array $batch)
{
	$batch = $this->parseBatchDeprecated($batch);

	$result = array();
	if($this->errors->checkHasErrorOfType(static::ERROR_TYPE_PARSE))
	{
		throw new DispatcherBadQueryException(false);
	}

	// executing operations
	/** @var Operation $operation */
	foreach($batch as $operation)
	{
		// todo: break chain execution or continue when exception occured?
		// todo: replace call() with execute() which will return Operation Result object, move all Task/Exception catches inside operation->execute()

		$callResult = $this->wrapOpCall($operation);

		$op = $operation->getOperation();

		// todo: an object Result with ArrayAccess, getOperation(), getArguments(), etc would be more appropriate here
		$result[$op['PARAMETERS']['CODE']] = array(
			'OPERATION' => 	$op['OPERATION'],
			'ARGUMENTS' => 	$op['ARGUMENTS'],
			'RESULT' => 	$callResult,
			'SUCCESS' => 	$operation->getErrors()->checkNoFatals(),
			'ERRORS' => 	$operation->getErrors()->getAll(true, new Filter())
		);
	}

	return $result;
}