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1 # super rough code
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2
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3 class AbstractPort:
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4 def __init__(self):
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5 pass
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6 def put_data(self, value):
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7 pass
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8 def get_data(self):
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9 pass
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10
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11 class Port(AbstractPort):
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12 "Connects from a node to exactly one node."
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13 def __init__(self, value=None):
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14 AbstractPort.__init__(self)
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15 self.value = value
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16 def put_data(self, value):
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17 self.value = value
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18 def get_data(self):
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19 return self.value
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20
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21 class MultiPort(AbstractPort):
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22 "Connects from a node to any number of nodes."
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23 def __init__(self, values=None):
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24 AbstractPort.__init__(self)
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25 self.values = values
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26 def put_data(self, values):
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27 self.values = values
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28 def get_data(self):
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29 return self.values
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