e9a9e00112
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1260 fd906abe-77d9-0310-91a1-e0d9ade77398
73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
#
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# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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A simple basic implementation of Neuron and Synapsis.
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$Id$
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"""
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from zope.interface import implements
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from cybertools.brain.interfaces import INeuron, ISynapsis
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from cybertools.brain.state import State, Transition
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from cybertools.brain.transaction import getTransaction
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class Synapsis(object):
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""" A synapsis connects two neurons.
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"""
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implements(ISynapsis)
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def __init__(self, sender, receiver):
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self.sender = sender
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sender.receivers.append(self)
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self.receiver = receiver
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receiver.senders.append(self)
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self.transition = Transition(self)
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def trigger(self, transaction=None):
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receiver = self.receiver
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receiver.setState(self.transition.execute(transaction), transaction)
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receiver.notify(transaction)
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class Neuron(object):
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implements(INeuron)
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def __init__(self):
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self.senders = []
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self.receivers = []
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self.state = State()
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def setState(self, state, transaction=None):
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transaction = getTransaction(transaction)
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transaction.setState(self, state)
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def getState(self, transaction=None):
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if transaction is None:
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transaction = getTransaction(create=False)
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if transaction is None:
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return self.state
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return transaction.getState(self)
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def notify(self, transaction=None):
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for r in self.receivers:
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r.trigger(transaction)
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