<?php
namespace PFBC;

abstract class Validation extends Base {
	protected $message = "%element% is invalid.";

	public function __construct($message = "") {
		if(!empty($message))
			$this->message = $message;
	}

	public function getMessage() {
		return $this->message;
	}

	public function isNotApplicable($value) {
		if(is_null($value) || is_array($value) || $value === "")
			return true;
		return false;
	}

	public abstract function isValid($value);
}