protected function isIgnored(ErrorMessage $message) {
		if($this->ignoreRepeatedSource && $message->file) {
			foreach($this->sentMessages as $sentMessage) {
				if($message->file == $sentMessage->file && $message->line == $sentMessage->line && $message->class == $sentMessage->class) {
					return true;
				}
			}
		}
		return false;
	}