# Licensed 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.

"""
Used when there is no provider, we basically return none to everything
"""

from typing import Optional

from .catalog_provider import CatalogProvider


class NullCatalogProvider(CatalogProvider):
    def list_tables(self):
        return None

    def get_blobs_in_table(self, table: str, commit: str = "latest", filters: Optional[str] = None):
        return None

    def get_view(self, view_name):
        return None
