# Copyright 1999-2021 Alibaba Group Holding Ltd.
#
# 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.

from .base import (
    Operand,
    OperandStage,
    HasInput,
    VirtualOperand,
    OperatorLogicKeyGeneratorMixin,
    LogicKeyGenerator,
)
from .core import TileableOperandMixin, execute, estimate_size
from .fetch import Fetch, FetchMixin, FetchShuffle, ShuffleFetchType
from .fuse import Fuse, FuseChunkMixin
from .objects import (
    ObjectOperand,
    ObjectOperandMixin,
    ObjectFetch,
    ObjectFuseChunk,
    ObjectFuseChunkMixin,
    MergeDictOperand,
)
from .shuffle import ShuffleProxy, MapReduceOperand
