main
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Last change
on this file was
42bd667,
checked in by David Fuertes <dfuertes@…>, 4 years ago
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Historial Limpio
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-
Property mode set to
100644
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File size:
1.2 KB
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| 1 | |
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| 2 | import time |
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| 3 | from random import randint |
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| 4 | import threading |
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| 5 | |
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| 6 | class Singleton(type): |
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| 7 | instance = None |
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| 8 | def __call__(cls, *args, **kw): |
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| 9 | if not cls.instance: |
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| 10 | cls.instance = super(Singleton, cls).__call__(*args, **kw) |
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| 11 | return cls.instance |
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| 12 | |
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| 13 | |
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| 14 | class DummySingleton(metaclass=Singleton): |
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| 15 | |
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| 16 | def __init__(self): |
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| 17 | self.var = None |
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| 18 | self.local = threading.local() |
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| 19 | print(self) |
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| 20 | |
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| 21 | def set_var(self, var): |
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| 22 | self.local.var = var |
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| 23 | self.var = var |
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| 24 | |
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| 25 | #print('my var' + str(self.local.var)) |
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| 26 | time.sleep(randint(10,20)) |
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| 27 | print('Singleton var pasada ' + str(var) + \ |
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| 28 | ' local var ' + str(self.local.var) + \ |
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| 29 | ' non local ' + str(self.var)) |
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| 30 | |
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| 31 | class Dummy: |
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| 32 | |
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| 33 | def __init__(self): |
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| 34 | self.var = None |
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| 35 | self.local = threading.local() |
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| 36 | print(self) |
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| 37 | |
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| 38 | def set_var(self, var): |
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| 39 | self.local.var = var |
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| 40 | self.var = var |
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| 41 | |
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| 42 | #print('my var' + str(self.local.var)) |
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| 43 | time.sleep(randint(10,20)) |
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| 44 | print('var pasada ' + str(var) + \ |
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| 45 | ' local var ' + str(self.local.var) + \ |
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| 46 | ' non local ' + str(self.var)) |
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