:meth:`WCacheStorage.get_cache` method implementation

def get_cache(self, decorated_function, *args, **kwargs):
		""" :meth:`WCacheStorage.get_cache` method implementation
		"""
		has_value = self.has(decorated_function, *args, **kwargs)
		cached_value = None
		if has_value is True:
			cached_value = self.get_result(decorated_function, *args, **kwargs)
		return WCacheStorage.CacheEntry(has_value=has_value, cached_value=cached_value)