Source code for pypdevs.classicDEVSWrapper
# Copyright 2014 Modelling, Simulation and Design Lab (MSDL) at
# McGill University and the University of Antwerp (http://msdl.cs.mcgill.ca/)
#
# 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.
"""
A wrapper for AtomicDEVS models that are to be interpreted as Classic DEVS models
"""
[docs]class ClassicDEVSWrapper(object):
"""
Wraps around a normal AtomicDEVS model and intercepts the DEVS specific functions. All attribute read/writes need to be redirected to the model itself.
"""
[docs] def __init__(self, model):
"""
Constructor
:param model: the model to wrap around
"""
self.model = model
[docs] def __getattr__(self, attr):
"""
Fetches the attributes of the model. This is a 'magic' function.
:param attr: the attribute to fetch
:returns: the fetched attributed
"""
return getattr(self.model, attr)
[docs] def __setattr__(self, attr, val):
"""
Sets the attribute of the model. This is a 'magic' function. Only the 'model' attribute is not proxied!
:param attr: the attribute to set
:param val: the value to set it to
"""
if attr == "model":
object.__setattr__(self, attr, val)
return setattr(self.model, attr, val)
[docs] def extTransition(self, inputs):
"""
Wrap around the extTransition function by changing the input dictionary
:param inputs: the input dictionary with lists as values
:returns: the new state, as the normal extTransition method would do
"""
return self.model.extTransition({i: inputs[i][0] for i in inputs})
[docs] def outputFnc(self):
"""
Wrap around the outputFnc function by changing the returned dictionary
:returns: the changed dictionary
"""
retval = self.model.outputFnc()
return {i: [retval[i]] for i in retval}