| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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 typing import TypeVar |
| |
| |
| class Channel: |
| """ Models the data movement between to executables :py:class:`pywy.operators.base.PywyOperator` |
| |
| Channel is the structure that is used to move the data between executables |
| :py:class:`pywy.operators.base.PywyOperator` and it helps to identify the |
| compatibility between the interaction of operators |
| """ |
| |
| def __init__(self): |
| pass |
| |
| def get_type(self): |
| """ return the type of the channel |
| |
| Returns |
| ------- |
| :py:class:`typing.Type` of the current Channel |
| """ |
| return type(self) |
| |
| |
| class ChannelDescriptor: |
| """ |
| |
| Attributes |
| ---------- |
| channel_type : :py:class:`typing.Type` |
| Type of the :py:class:`pywy.core.Channel` that the descriptor |
| will generate |
| is_reusable : bool |
| indicates if the source for the channel is reusable for several consumer |
| is_suitable_for_breakpoint : bool |
| indicates if the element support the breakpoint strategies |
| """ |
| |
| def __init__(self, channel_type: type, is_reusable: bool, is_suitable_for_breakpoint: bool): |
| """Basic constructor of the ChannelDescriptor |
| |
| Parameters |
| ---------- |
| channel_type |
| Description of `channelType`. |
| is_reusable |
| Description of `is_reusable`. |
| is_suitable_for_breakpoint |
| Description of `is_suitable_for_breakpoint`. |
| """ |
| self.channel_type = channel_type |
| self.is_reusable = is_reusable |
| self.is_suitable_for_breakpoint = is_suitable_for_breakpoint |
| |
| def create_instance(self) -> Channel: |
| """Generates an instance of :py:class:`pywy.core.Channel` |
| |
| Returns |
| ------- |
| instance of :py:class:`pywy.core.Channel` |
| """ |
| return self.channel_type() |
| |
| |
| CH_T = TypeVar('CH_T', bound=Channel) |
| CHD_T = TypeVar('CHD_T', bound=ChannelDescriptor) |