def get_db_engine(self, key: EnumDbEngineType):
"""
Method for get db engine by key. If key is None or dont find engine return None
:param key: for get db engine
:return: db engine if found else return None
"""
RFContext.get_db_engine(key)
def create_transaction(
self,
enum_transaction_type: EnumTransactionType = EnumTransactionType.
PROPAGATED,
params=None,
db_engine_type: EnumDbEngineType = EnumDbEngineType.RF_MYSQL_POOL):
"""
Method for create transaction
:param enum_transaction_type: type for transaction to create
:param params
:param db_engine_type engine for db
:return: response for transaction create
"""
from rfpyweb.context.rf_context import RFContext
# set default transaction propagated
enum_transaction_type = enum_transaction_type if not None else EnumTransactionType.PROPAGATED
response = None
if self.function_create_transaction is not None:
response = self.function_create_transaction(
enum_transaction_type,
params=params,
db_engine_type=db_engine_type)
else:
rf_mysql_engine = RFContext.get_db_engine(db_engine_type)
if db_engine_type == EnumDbEngineType.RF_MYSQL_POOL:
response = RFTransaction(enum_transaction_type,
transaction_database=rf_mysql_engine.
connection.get_connection())
elif db_engine_type == EnumDbEngineType.RF_MYSQL:
# No pool
response = RFTransaction(
enum_transaction_type,
transaction_database=rf_mysql_engine.get_db())
return response