Unified Modelling Language

Transcription

1 Unified Modelling Language Syntax only Comprehensive Language Independent Process Independent Tool Independent Application not well understood Object Oriented Analysis & Design Grady Booch Object Oriented Modeling & Design Jim Rumbaugh et al OOSE (A Use Case Driven Approach) Ivar Jacobson UML

2 UML Diagram Types Use Case Diagrams Static Structure Diagrams Object Diagrams Class Diagrams Interaction Diagrams Sequence Diagrams Collaboration Diagrams Statechart Diagrams Activity Diagrams Implementation Diagrams Component Diagrams Deployment Diagrams

3 Use Case Diagram <<extends>> Add Model <<extends>> Enter Job Details <<uses>> Service Clerk Salesperson Add Vehicle <<uses>> Create Quote or Invoice <<extends>> Find Model Add New Customer

4 Class Diagram Credit Card - Name - Card Number - Expiry Date + Check() 1 is used to pay for 0..1 Order - Date:date:today - Time - Customer Name + Create() + Check credit() 1 is address for customer of 0..* is for 0..* Order Line - Quantity - Refunded + Add() +warehouse address 0..* Premises Address - Telephone Item - Item Number:double - Description - Unit Price - Minimum Stock Level - Find(Item_number:double):Item 0..* are stored at 0..* are requisitioned from 0..* +supplier's address +customer's address + Edit() + Create() + Delete()

5 Sequence Diagram For each item to be purchased Sales assistant enters item : Sales Assistant Enter item number : Process Order Screen : Item : Stock Item System finds item details and total stock available Find Get quantity System displays item End For Display details

6 Collaboration Diagram Current : Process Order : Stock Item 1: Enter item id 2: Get details 3: * Get : Sales Assistant :Item * 4: Get details : Backorder - Delivery Date

7 Statechart Diagram Start create Closed/Stop motor Closed Open[unlocked]/Start Motor Closing do: Run motor Entry/Start motor Jam/set alarm Tap Opening do: Run motor Exit/Stop motor Jam/set alarm Opened Close[unlocked] Open

8 Activity Diagram Customer Sales Stockroom Request Service Action States Events (may be named) Pay Take Order Fill Order Collect Order Deliver Order Swimlanes Start and end points Concurrency

9 Component Diagram Order Processing System User Interface Data Processor Data Manager Database External System

10 Deployment Diagram Client A:PC A:GUI Corporate Database:DB The:Database Client B:PC B:GUI Departmental Server:Host An:Application Client C:PC C:GUI Corporate Server:Host A:Component

11 Flow of Data Between Main Views Interactions : Order Line : Part : Entry Clerk Enter Item No Find Classes Enter Order Classes & Attributes Interaction Model Operations Entry Clerk Edit Order Cancel Order Use Case Model States Events Classes Operations Object Model State Model

12 : Entry Clerk Enter Item No : Order Line : Part Find Flow of Data Between Subsidiary and Main Views User Interface Data Processor Data Manager Database External System Enter Order Entry Clerk Edit Order Cancel Order Component Model User Client Business Model Logical Model Department Server Data Server Accounts System Deployment Model

13 Architecture Modelling Packages, interfaces and dependencies model Sub-systems Components Hierarchy Client-server relationships Architectural layering Sales UI Accounting System Order Processing Customer Web UI Web Server Database