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<?php
/**
* This file is part of the Cubiche package.
*
* Copyright (c) Cubiche
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Cubiche\Core\Specification\Constraint;
use Cubiche\Core\Comparable\Comparator;
use Cubiche\Core\Comparable\ComparatorInterface;
* Abstract Relational Operator Class.
* @author Karel Osorio Ramírez <[email protected]>
abstract class RelationalOperator extends BinaryConstraintOperator
{
* @var ComparatorInterface
private static $comparator = null;
* @param mixed $value
* @return int
protected function comparison($value)
return self::comparator()->compare(
$this->left()->apply($value),
$this->right()->apply($value)
);
}
* @return \Cubiche\Core\Comparable\ComparatorInterface
protected static function comparator()
if (self::$comparator === null) {
self::$comparator = new Comparator();
return self::$comparator;
cubiche /
specification
