Item Class Reference

#include <Observer.hpp>

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Detailed Description

Item of a notification.

Internals

The Item class can currently contain either a node or an edge. We could not think of anything else which could force a graph so send an update to it's observers. It can be created 'on the fly' and passed to the notify() method of the subject class.

Public Member Functions
	Item ()
	Empty Constructor.
	Item (const Item &item)
	Copy Constructor.
	Item (Node n)
	Constructor: Node item.
	Item (Edge e)
	Constructor: Edge item.
Data Fields
int	type
	The type: 0 for no valid member, 1 for Node, 2 for Edge.
Node	node
	Node, has a valid value only if type==1.
Edge	edge
	Edge, has a valid value only if type==2.

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Constructor & Destructor Documentation

Item (   )  [inline]

Empty Constructor.

Item (  const Item &  item  )  [inline]

Copy Constructor.

Item (  Node  n  )  [inline]

Constructor: Node item.

Item (  Edge  e  )  [inline]

Constructor: Edge item.

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Field Documentation

Edge edge

Edge, has a valid value only if type==2.

Node node

Node, has a valid value only if type==1.

int type

The type: 0 for no valid member, 1 for Node, 2 for Edge.

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