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Lake Chan
35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
# queue.py
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#
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# Copyright 2022 brombinmirko <send@mirko.pm>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, in version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class QueueManager:
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__queue = 0
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def __init__(self, end_fn, add_fn=None):
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self.__add_fn = add_fn
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self.__end_fn = end_fn
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def add_task(self):
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self.__queue += 1
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if self.__add_fn and self.__queue == 1:
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self.__add_fn()
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def end_task(self):
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self.__queue -= 1
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if self.__queue <= 0:
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self.__end_fn()
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