<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def cache(cls, func):
 """ Global cache decorator :param func: the function to be decorated :return: the decorator """


        @functools.wraps(func)
        def func_wrapper(*args, **kwargs):
            func_key = cls.get_key(func)
            val_cache = cls.get_cache(func_key)
            lock = cls.get_cache_lock(func_key)

            return cls._get_value_from_cache(
                func, val_cache, lock, *args, **kwargs)

        return func_wrapper