Graph Data Structures

Here are the data structures with brief descriptions:

AbstractProperty	Abstract property class other properties are derived from
ConstGraph	Base graph class, methods to modify nodes and edges are protected and cannot be modified from outside (const)
Graph	Editable Graph class
graph_lib_test_suite	Unit Test Suite
GraphException	Contains information about the exception thrown
Hierarchy	The Hierarchy represents a hierarchy on the base graph
IEditGraph	Interface for an editable graph
Item	Item of a notification
Message	Message codes
ObservableGraph	Graph implementing Subject
Observer	Observer class
Property	Templated Property class
PropertyFacility	PropertyFacility class. Stores properties
Subject	Subject to observers
UnitTest	Unit test class for testing the view
View	Cross section through the hierarchy

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