mediator pattern

mokth

以下是mediator pattern 的 sample (python). 更多的details可以在http://en.wikipedia.org/wiki/Mediator_pattern找寻.

class mediator(object)
    def send(self,socket,msg):
        pass
class ConcreteMediator(mediator):
    def setSocket1(self,socket):
        self.m_ConcreateSocket1= socket
   
    def setSocket2(self,socket):
        self.m_ConcreateSocket2= socket   
   
    def send(self,socket,msg):
        if (socket==self.m_ConcreateSocket1):
            self.m_ConcreateSocket2.notify(msg)
        else:
            self.m_ConcreateSocket1.notify(msg)
        
class Socket(object):
    def __init__(self,mediator):
        self.m_mediator = mediator
   
class ConcreateSocket1(Socket):
    def __init__(self,mediator):
        self.m_mediator=mediator
   
    def send(self,msg):
        self.m_mediator.send(self,msg)
   
    def notify(self,msg):
        print "S1 :receive msg from socket2 %s" %msg
class ConcreateSocket2(Socket):
    def __init__(self,mediator):
        self.m_mediator=mediator
   
    def send(self,msg):
        self.m_mediator.send(self,msg)
   
    def notify(self,msg):
        print "S2 :receive msg from socket1 %s" %msg        
        
'''
test
'''
m = ConcreteMediator()
s1 = ConcreateSocket1(m)
s2 = ConcreateSocket2(m)
m.setSocket1(s1)
m.setSocket2(s2)
s1.send("test1")
s2.send("test2")