#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""This module is intended for internal use only. Nothing defined here provides
any backwards-compatibility guarantee.
"""
from uuid import uuid4
# Registry of typings for a schema by UUID
[docs]class SchemaTypeRegistry(object):
def __init__(self):
self.by_id = {}
self.by_typing = {}
[docs] def generate_new_id(self):
for _ in range(100):
schema_id = str(uuid4())
if schema_id not in self.by_id:
return schema_id
raise AssertionError(
"Failed to generate a unique UUID for schema after "
f"100 tries! Registry contains {len(self.by_id)} "
"schemas.")
[docs] def add(self, typing, schema):
self.by_id[schema.id] = (typing, schema)
[docs] def get_typing_by_id(self, unique_id):
result = self.by_id.get(unique_id, None)
return result[0] if result is not None else None
[docs] def get_schema_by_id(self, unique_id):
result = self.by_id.get(unique_id, None)
return result[1] if result is not None else None
SCHEMA_REGISTRY = SchemaTypeRegistry()