105 lines
3.8 KiB
Python
105 lines
3.8 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import weakref
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from neutron.db import _model_query
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from neutron.db import _resource_extend
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from neutron.db import _utils as ndb_utils
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# TODO(HenryG): Remove these when available in neutron-lib
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safe_creation = ndb_utils.safe_creation
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model_query_scope = ndb_utils.model_query_scope_is_project
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model_query = ndb_utils.model_query
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resource_fields = ndb_utils.resource_fields
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# TODO(HenryG): Deprecate and schedule for removal
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class CommonDbMixin(object):
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"""Deprecated."""
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@staticmethod
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def register_model_query_hook(model, name, query_hook, filter_hook,
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result_filters=None):
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_model_query.register_hook(
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model, name, query_hook, filter_hook,
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result_filters=result_filters)
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@staticmethod
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def register_dict_extend_funcs(resource, funcs):
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_resource_extend.register_funcs(resource, funcs)
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@property
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# TODO(HenryG): Remove; used only by vmware-nsx.
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def safe_reference(self):
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return weakref.proxy(self)
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@staticmethod
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def model_query_scope(context, model):
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return ndb_utils.model_query_scope_is_project(context, model)
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@staticmethod
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def _model_query(context, model):
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return _model_query.query_with_hooks(context, model)
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@staticmethod
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def _fields(resource, fields):
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return ndb_utils.resource_fields(resource, fields)
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@staticmethod
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def _get_by_id(context, model, id):
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return _model_query.get_by_id(context, model, id)
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@staticmethod
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def _apply_filters_to_query(query, model, filters, context=None):
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return _model_query.apply_filters(query, model, filters, context)
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@staticmethod
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def _apply_dict_extend_functions(resource_type, response, db_object):
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_resource_extend.apply_funcs(resource_type, response, db_object)
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@staticmethod
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def _get_collection_query(context, model,
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filters=None, sorts=None,
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limit=None, marker_obj=None,
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page_reverse=False):
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return _model_query.get_collection_query(context, model,
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filters, sorts,
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limit, marker_obj,
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page_reverse)
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@staticmethod
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def _get_collection(context, model, dict_func,
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filters=None, fields=None, sorts=None,
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limit=None, marker_obj=None,
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page_reverse=False):
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return _model_query.get_collection(context, model, dict_func,
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filters, fields, sorts,
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limit, marker_obj,
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page_reverse)
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@staticmethod
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def _get_collection_count(context, model, filters=None):
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return _model_query.get_collection_count(context, model, filters)
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# TODO(HenryG): Remove this when available in neutron-lib
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def _get_marker_obj(self, context, resource, limit, marker):
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return ndb_utils.get_marker_obj(self, context, resource, limit, marker)
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@staticmethod
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def _filter_non_model_columns(data, model):
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return ndb_utils.filter_non_model_columns(data, model)
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