中介者模式 python

最新推荐文章于 2024-08-04 23:49:00 发布

一刀不二

最新推荐文章于 2024-08-04 23:49:00 发布

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分类专栏： [Design Pattern] [Python] 文章标签： python

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本文探讨了军队内部通讯系统中信息传递与通知的实现方式，通过使用类和对象模型，详细介绍了Infantry、AirForce和Mediator类在信息发送与接收过程中的作用。展示了如何注册不同单位（Infantry、AirForce）到Mediator，以及它们如何通过Mediator进行信息的发送和接收。

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class Infantry( object ):
    def __init__( self, mediator, name ):
        self.name = name
        self.mediator = mediator    

    def send( self, msg ):
        self.mediator.send( msg, self )

    def notify( self, msg ):
        print self.name + " get infomation: " + msg


class AirForce( object ):
    def __init__( self, mediator, name ):
        self.name = name
        self.mediator = mediator

    def send( self, msg ):
        self.mediator.send( msg, self )

    def notify( self, msg ):
        print self.name + " get infomation: " + msg


class Mediator( object ):
    
    soliders = []
    
    def send( self, msg, solider ):
        for s in self.soliders:
            if s != solider:
                s.notify( msg )

    def register( self, solider ):
        self.soliders.append( solider )
            

m  = Mediator()
t1 = Infantry( m, "Infantry-1" )
t2 = AirForce( m, "AirForce-1" )
t3 = AirForce( m, "AirForce-2" )

m.register( t1 )
m.register( t2 )
m.register( t3 )

t1.send( "I have found killer" )
t2.send( "Look at him" )
t3.send( "Be careful" )