query-factory.php

<?php

class QueryDependent 
{

	/**
	 * @var Callable
	 */
	private $queryFactory;

	public function __construct(ModelCriteria $query)
	{
		$this->queryFactory = function () use ($query) { return clone $query; };
	}

	/**
	 * @return ModelCriteria
	 */
	private function getQuery()
	{
		return call_user_func($this->queryFactory);
	}
}