# Copyright 2021 Zilliz. 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.
[docs]class BaseExecution:
"""
Execute an operator
"""
def __apply__(self, *arg, **kws):
# Multi inputs.
if isinstance(self._index[0], tuple):
args = [getattr(arg[0], x) for x in self._index[0]]
# Single input.
else:
args = [getattr(arg[0], self._index[0])]
return self._op(*args, **kws)
[docs] def __call__(self, *arg, **kws):
self.__check_init__()
if bool(self._index):
res = self.__apply__(*arg, **kws)
# Multi outputs.
if isinstance(res, tuple):
if not isinstance(self._index[1],
tuple) or len(self._index[1]) != len(res):
raise IndexError(
f'Op has {len(res)} outputs, but {len(self._index[1])} indices are given.'
)
for i, j in zip(self._index[1], res):
setattr(arg[0], i, j)
# Single output.
else:
setattr(arg[0], self._index[1], res)
return arg[0]
else:
res = self._op(*arg, **kws)
return res
