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# ================================================================================
# Copyright (c) 2019-2020 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================
""" SqlAlchemy ORM engine for postgresSql dti database """
from sqlalchemy import create_engine
class DaoBase:
_engine = None
@staticmethod
def init_db(dbConStr):
if DaoBase._engine:
return
DaoBase._engine = create_engine(dbConStr)
@staticmethod
def getDbEngine():
return DaoBase._engine
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