class RuntimeTreeStorage(object):
def __init__(self, db_path):
self.__db = KVDatabase(db_path)
def save(self, runtime_tree):
self.__db.set(runtime_tree.id, runtime_tree.dumps())
def find(self, id):
d = self.__db.get(id)
return RuntimeTree.loads(d) if d is not None else None
def remove(self, id):
self.__db.unset(id)
def remove_all(self):
self.__db.clear()
def __init__(self, db_path):
self.__db = KVDatabase(db_path)