public function getBudget($isForceReload = false)
    {
        if ($isForceReload || null === $this->joinOneCacheBudget) {
            $mapper = new BudgetMapper($this->dependencyContainer->getDatabase('money'));
            $this->joinOneCacheBudget = $mapper->findByKeys(array(
                'budget_id' => $this->getBudgetId(),
            ));
        }
        
        return $this->joinOneCacheBudget;
    }