# This file is part of Pymepix
#
# In all scientific work using Pymepix, please reference it as
#
# A. F. Al-Refaie, M. Johny, J. Correa, D. Pennicard, P. Svihra, A. Nomerotski, S. Trippel, and J. Küpper:
# "PymePix: a python library for SPIDR readout of Timepix3", J. Inst. 14, P10003 (2019)
# https://doi.org/10.1088/1748-0221/14/10/P10003
# https://arxiv.org/abs/1905.07999
#
# Pymepix 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.
#
# This program 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 this program. If not,
# see <https://www.gnu.org/licenses/>.
from multiprocessing import Value
[docs]class UnknownParameterTypeException(Exception):
pass
[docs]class SharedProcessingParameter(): #ProcessingParameter):
""" Variang of the ProcessingParameter used for sharing among multiple processes. This class has to be used
if running with the multiprocessing pipeline to ensure all instances of the processing classes are updated
when parameters are changed. """
def __init__(self, value) :
if isinstance(value, int):
self._value = Value('i', value, lock=False)
elif isinstance(value, float):
self._value = Value('d', value, lock=False)
else:
raise UnknownParameterTypeException()
@property
def value(self):
return self._value.value
@value.setter
def value(self, value):
self._value.value = value