# Copyright 2019 The Forte Authors. 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.
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#
# http://www.apache.org/licenses/LICENSE-2.0
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"""
Processors that process pack.
"""
from abc import ABC
from forte.data.base_pack import PackType
from forte.data.data_pack import DataPack
from forte.data.multi_pack import MultiPack
from forte.processors.base.base_processor import BaseProcessor
__all__ = ["BasePackProcessor", "PackProcessor", "MultiPackProcessor"]
[docs]class BasePackProcessor(BaseProcessor[PackType], ABC):
r"""The base class of processors that process one pack in a streaming way.
If you are looking for batching (that might happen across packs, refer to
:class:`~forte.processors.base.batch_processor.BaseBatchProcessor`.
"""
pass
[docs]class PackProcessor(BasePackProcessor[DataPack], ABC):
r"""The base class of processors that process one :class:`~forte.data.data_pack.DataPack` each
time.
"""
def _process(self, input_pack: DataPack):
raise NotImplementedError
[docs]class MultiPackProcessor(BasePackProcessor[MultiPack], ABC):
r"""
The base class of processors that process :class:`~forte.data.multi_pack.MultiPack` each time.
"""
def _process(self, input_pack: MultiPack):
raise NotImplementedError