node.py

#! /usr/bin/env python
#
# Copyright 2012 Saravana Kumar(RIT)
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

#class to represent a node/vertex in a graph 
class Node(object):
  """Node docstring"""
	def __init__(self, nodeId):
		self.edges  = []
		self.nodeId = nodeId

	def addEdge(self,edge):
		self.edges.append(edge)

#Class to represent an edge in the grapt
class Edge(object):
		"""docstring for Edge"""
		def __init__(self, startNode, endNode, cost):
			self.startNode = startNode
			self.endNode   = endNode
			self.cost 	= cost