/**
* Gets an entity instance from an entity set identified by a key
*
* @param ResourceSet $resourceSet The entity set containing the entity to fetch
* @param KeyDescriptor $keyDescriptor The key identifying the entity to fetch
*
* @return object|null Returns entity instance if found else null
*/
public function getResourceFromResourceSet(ResourceSet $resourceSet, KeyDescriptor $keyDescriptor)
{
$entityInstance = $this->queryProvider->getResourceFromResourceSet($resourceSet, $keyDescriptor);
$this->_validateEntityInstance($entityInstance, $resourceSet, $keyDescriptor, 'IQueryProvider::getResourceFromResourceSet');
return $entityInstance;
}
