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class Evidence(object):
def __init__(self):
pass
def is_compatible(self, value):
raise Exception("Not defined for this kind of Evidence")
def get_unambigous_value(self):
return None
class EvidenceEqual(Evidence):
def __init__(self, value):
self.value=value
def is_compatible(self, value):
return self.value==value
def get_unambigous_value(self):
return self.value
class EvidenceIntervall(Evidence):
def __init__(self,min_val,max_val):
self.min_val=min_val
self.max_val=max_val
def is_compatible(self, value):
return self.min_val <= value and value<=self.max_val
class EvidenceLower(Evidence):
def __init__(self,limit):
self.limit=limit
def is_compatible(self, value):
return value<self.limit
class EvidenceHigher(Evidence):
def __init__(self,limit):
self.limit=limit
def is_compatible(self, value):
return value>self.limit