/**
* Extract a name in order to be used within datagateway context
*
* If an object's hydrator is avaliable, then $name will be converted to
* a model name using the object's hydrator naming strategy.
* Finally, $name will be extracted using the model's hydrator naming
* strategy.
*
* @param ModelStubInterface $model
* @param string $name
* @throws Exception\RuntimeException
* @return string
*/
protected function extractName(ModelStubInterface $model, $name)
{
if ($model->getObjectPrototype() instanceof HydratorAwareInterface) {
$objectHydrator = $model->getObjectPrototype()->getHydrator();
if (!$objectHydrator || !method_exists($objectHydrator, 'hydrateName')) {
throw new Exception\RuntimeException('Object hydrator must be set and must have hydrateName() ' . 'in order to convert a single field');
}
$name = $objectHydrator->hydrateName($name);
}
$modelHydrator = $model->getHydrator();
if (!$modelHydrator || !method_exists($modelHydrator, 'extractName')) {
throw new Exception\RuntimeException('Model hydrator must be set and must have extractName() method ' . 'in order to convert a single field');
}
return $modelHydrator->extractName($name);
}
/**
* @param ModelStubInterface $model
* @return mixed
*/
protected function extractId(ModelStubInterface $model)
{
$hydrator = $model->getHydrator();
if (!method_exists($hydrator, 'extractValue')) {
throw new Exception\RuntimeException('Hydrator must have extractValue() method ' . 'in order to extract a single value');
}
return $hydrator->extractValue('_id', $this->getId());
}
/**
* @param ModelStubInterface $model
* @param $name
* @param $value
* @param null $object
* @return mixed
*/
protected function extractValue(ModelStubInterface $model, $name, $value, $object = null)
{
$hydrator = $model->getHydrator();
if (!method_exists($hydrator, 'extractValue')) {
throw new Exception\RuntimeException('Hydrator must have extractValue() method ' . 'in order to extract a single value');
}
return $hydrator->extractValue($name, $value, $object);
}
