贝叶斯网络中一个节点的类

#author=lx
#date=2011-12-27

import os
import sys

class node:
        "store the information of a node in bnt"
        def __init__( self, nodename=None, cptnum=2, pnum=0, cnum=0, parename=None, childname=None ):
                self.node_name = nodename
                self.cpt_num = cptnum
                self.p_num = pnum
                self.c_num = cnum
                self.pare_name = parename
                self.child_name = childname

        def get_name( self ):
                return self.node_name

        def get_cptNum( self ):
                return self.cpt_num

        def get_parentNum( self ):
                return self.p_num

        def get_childNum( self ):
                return self.c_num

        def get_parentName( self ):
                if self.p_num >= 1:
                        return self.pare_name
                else:
                        return None
        def get_childName( self ):
                if self.c_num >= 1:
                        return self.child_name
                else:
                        return None

        def the_new_node( self ):
                print 'the new node is %s' % self.node_name


if __name__ == "__main__":
        parent = [ 'god', 'godgod' ]
        child = ['my', 'mymy']
        node1 = node( 'lx', 2, 2, 2, parent, child )
        node1.the_new_node()
        print node1.get_name()
        print node1.get_cptNum()
        print node1.get_parentNum()
        print node1.get_parentName()
        print node1.get_childName()