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sender.py
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sender.py
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# Copyright (c) 2021-2023, NVIDIA CORPORATION.
#
# 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.
import logging
import typing
import mrc
import morpheus.pipeline as _pipeline
logger = logging.getLogger(__name__)
class Sender():
"""
The `Sender` object represents a port on a `StageBase` object that sends messages to a `Receiver`.
Parameters
----------
parent : `morpheus.pipeline.pipeline.StageBase`
Parent `StageBase` object.
port_number : int
Sender port number.
"""
def __init__(self, parent: "_pipeline.StageBase", port_number: int):
self._parent = parent
self.port_number = port_number
self._output_receivers: typing.List[_pipeline.Receiver] = []
self._output_schema: _pipeline.PortSchema = None
self._output_node: mrc.SegmentObject = None
@property
def parent(self) -> "_pipeline.StageBase":
return self._parent
@property
def is_complete(self) -> bool:
# Sender is complete when the type has been set
return self._output_schema is not None
@property
def output_schema(self) -> _pipeline.PortSchema:
return self._output_schema
@output_schema.setter
def output_schema(self, value: _pipeline.PortSchema):
self._output_schema = value
@property
def output_type(self) -> type:
if self.is_complete:
return self._output_schema.get_type()
return None
@property
def output_node(self) -> mrc.SegmentObject:
return self._output_node