/**
* @param array $options Options that override defaults on [[Yii::createObject()]]
* @throws \yii\base\InvalidConfigException
* @return Calculation
*/
public function getCalculationModel($options = [])
{
if (!$this->_calculationModel instanceof Calculation) {
$config = ['position' => $this];
if (is_string($this->_calculationModel)) {
$config['class'] = $this->_calculationModel;
}
$this->_calculationModel = Yii::createObject(array_merge($config, $options));
} else {
$this->_calculationModel->synchronize();
}
return $this->_calculationModel;
}
