DesignPatternsPHP/Behavioral/Strategy/ObjectCollection.php
2016-09-22 09:18:20 +02:00

50 lines
897 B
PHP

<?php
namespace DesignPatterns\Behavioral\Strategy;
class ObjectCollection
{
/**
* @var array
*/
private $elements;
/**
* @var ComparatorInterface
*/
private $comparator;
/**
* @param array $elements
*/
public function __construct(array $elements = array())
{
$this->elements = $elements;
}
/**
* @return array
*/
public function sort()
{
if (!$this->comparator) {
throw new \LogicException('Comparator is not set');
}
$callback = array($this->comparator, 'compare');
uasort($this->elements, $callback);
return $this->elements;
}
/**
* @param ComparatorInterface $comparator
*
* @return void
*/
public function setComparator(ComparatorInterface $comparator)
{
$this->comparator = $comparator;
}
}