Example 2 -- components diagram
=================================

.. uml::

	@startuml

	title Packages - Component Diagram

	package "Front End" {
		component [Graphic User\nInterface] as GUI
	}

	cloud Internet {
	}
	 
	node "Middle Tier" {
		[Business Logic]
		[Data Access] as DA  
		interface IMath as Math
		interface "IItems" as Items
	} 

	database "PostgreSQL\n" {
		[Stored Procs]
	}

	GUI -down-> Internet
	Internet -down-( Math
	[Business Logic] -up- Math
	DA -- Items
	[Business Logic] --( Items
	DA .. [Stored Procs]

	@enduml