1.
Patterns<br />More than Mere Stencils<br />

2.
Stencils<br />

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What is a pattern?<br />

4.
We use patterns to do repeatable work quickly and easily.<br />

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Important Elements of Patterns:<br />Context<br />

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Important Elements of Patterns:<br />They apply at many levels<br />

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Important Elements of Patterns:<br />Domain Specific Languages<br />

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Important Elements of Patterns:<br />Patterns are a two way street<br />

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“Drawings help people to work out intricate relationships between parts.”<br /> - Christopher Alexander <br />

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What’s Our Game Plan?<br />

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Behavioural PatternsThese design patterns are all about class objects’ communication. Behavioural patterns are those patterns that are most specifically concerned with communication between objects.<br />Creational PatternsThese design patterns are all about class instantiation. These patterns can be further divided into class-creation patterns and object-creational patterns. While class-creation patterns use inheritance effectively in the instantiation process, object-creation patterns use delegation effectively to get the job done.<br />Structural Patterns<br />These design patterns are all about class and object composition. Structural class-creation patterns use inheritance to compose interfaces. Structural object-patterns define ways to compose objects to obtain new functionality.<br />

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Use in Enterprise Architect<br />3<br />1<br />2<br />

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State Pattern<br />An object-oriented state machine<br />

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State Pattern<br />An object-oriented state machine<br />

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Architectural Patterns<br />Model-View-Controller<br />

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Architectural Patterns<br />Application of Model-View-Controller<br />

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Architectural Patterns<br />Let’s compose the Model-View-Controller<br />

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Adding Patterns to EA<br />Bring up the Resources window: View -> More Project Tools -> Project Resources<br />Then…<br />

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Till this point we’ve been down in the weeds and seeds<br />

20.
“Patterns are a starting point, not a destination”<br />- Martin Fowler<br />

21.
Analysis Level Patterns<br />http://martinfowler.com/apsupp/accounting.pdf<br />Accounting - Posting<br />

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Analysis Level Patterns<br />

23.
Workflow Pattern Categories<br />Workflow Pattern Categories<br />1. Control<br />2. Resource<br />3. Data<br />4. Exception Handling<br />

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25.
Workflow Pattern Example<br />Simple Merge<br />

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Analysis Level Patterns<br />Program Management Patterns<br />

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Australian Government Use of Patterns<br />

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Brokered Authentication Pattern<br />

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An example of a business model from Tom Graves (see http://weblog.tomgraves.org)<br />

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Mapping Osterwalder’s Business Model Canvas to Archimate<br />

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Not Matched<br />

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