Old engine for Continuous Time Bayesian Networks. Superseded by reCTBN. 🐍
https://github.com/madlabunimib/PyCTBN
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60 lines
2.1 KiB
60 lines
2.1 KiB
import sys
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sys.path.append('../')
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import typing
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import structure_graph.set_of_cims as sofc
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class Cache:
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"""This class acts as a cache of ``SetOfCims`` objects for a node.
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:_list_of_sets_of_parents: a list of ``Sets`` objects of the parents to which the cim in cache at SAME
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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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"""Constructor Method
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"""
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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``
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related to that ``parents_comb``.
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:param parents_comb: the parents related to that ``SetOfCims``
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:type parents_comb: Set
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:return: 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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:rtype: SetOfCims
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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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"""Place in cache the ``SetOfCims`` object, and the related symbolic index ``parents_comb`` in
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``_list_of_sets_of_parents``.
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:param parents_comb: the symbolic set index
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:type parents_comb: Set
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:param socim: the related SetOfCims object
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:type socim: SetOfCims
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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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"""Clear the contents both of ``_actual_cache`` and ``_list_of_sets_of_parents``.
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"""
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del self.list_of_sets_of_parents[:]
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del self.actual_cache[:] |