'''
This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
PM4Py is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PM4Py is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PM4Py. If not, see <https://www.gnu.org/licenses/>.
'''
import abc
from threading import Lock
#from typing import final
import traceback
[docs]class StreamingAlgorithm(abc.ABC):
def __init__(self, parameters=None):
self._lock = Lock()
@abc.abstractmethod
def _process(self, event):
pass
@abc.abstractmethod
def _current_result(self):
pass
[docs] def get(self):
self._lock.acquire()
try:
ret = self._current_result()
except:
traceback.print_exc()
ret = None
self._lock.release()
return ret
[docs] def receive(self, event):
self._lock.acquire()
try:
self._process(event)
except:
traceback.print_exc()
self._lock.release()