Old engine for Continuous Time Bayesian Networks. Superseded by reCTBN. 🐍
https://github.com/madlabunimib/PyCTBN
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62 lines
2.0 KiB
62 lines
2.0 KiB
import typing
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import set_of_cims as sofc
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class Cache:
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"""
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This class has the role of a cache for SetOfCIMS of a test node that have been already computed during the ctpc algorithm.
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:list_of_sets_of_parents: a list of Sets of the parents to which the cim in cache at SAME index is related
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:actual_cache: a list of setOfCims objects
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"""
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def __init__(self):
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self.list_of_sets_of_parents = []
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self.actual_cache = []
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def find(self, parents_comb: typing.Set): #typing.Union[typing.Set, str]
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"""
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Tries to find in cache given the symbolic parents combination parents_comb the SetOfCims related to that parents_comb.
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Parameters:
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parents_comb: the parents related to that SetOfCims
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Returns:
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A SetOfCims object if the parents_comb index is found in list_of_sets_of_parents.
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None otherwise.
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"""
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try:
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#print("Cache State:", self.list_of_sets_of_indxs)
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#print("Look For:", parents_comb)
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result = self.actual_cache[self.list_of_sets_of_parents.index(parents_comb)]
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print("CACHE HIT!!!!", parents_comb)
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return result
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except ValueError:
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return None
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def put(self, parents_comb: typing.Union[typing.Set, str], socim: sofc.SetOfCims):
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"""
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Place in cache the SetOfCims object, and the related sybolyc index parents_comb in list_of_sets_of_parents
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Parameters:
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parents_comb: the symbolic set index
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socim: the related SetOfCims object
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Returns:
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void
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"""
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#print("Putting in cache:", parents_comb)
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self.list_of_sets_of_parents.append(parents_comb)
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self.actual_cache.append(socim)
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def clear(self):
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"""
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Clear the contents of both caches.
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Parameters:
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void
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Returns:
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void
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"""
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del self.list_of_sets_of_parents[:]
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del self.actual_cache[:] |