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Implementação dos algoritmos de Hamming e CRC na camadas de correção/detecção de erros
Verify what bit changed by user is wrong just change them and verify whether it's right or wrong.
Verificate whether the method change_bit(position)
just operate over a instance of Frame just change bit
frame = Frame("001")
frame.change_bit(2)
>>> frame
Frame("011")
Or make your operation and return a new instance of Frame ( immutable objects )
frame = Frame("001")
changed = frame.change_bit(2)
>>> changed
Frame("011")
Using the method .is_valid()
at constructor , to that so that building object raise some exception..
class Frame:
def __init__(self,value):
if self.is_valid(self):
raises ValueError("Incorrect Value")
self.value = value
Using a method by composition in Frame object and using by delegation.
class Frame:
def __init___(self):
self.validator = Hamming("pair")
def check(self):
return self.validator(self)
frame = Frame("0101")
if frame.check():
print("It's valid")
else:
print("Invalid")
Which choice?
hamming.check(frame)
frame.check()
USE OF STRATEGY PATTERN
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