CSLA: What and Why

1
CSLA What and Why

• Presentation by
• Andrew Novick

2
Agenda

• What is CSLA
• A little history Rocky
• What are its advantages as a framework
• Code generation for CSLA

3
CSLA

• Component
• Scalable
• Logical
• Architecture

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Rocky Lhotka The COM Era Books

• Visual Basic 5 Business Objects
• Visual Basic 6 Distributed Objects

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Rocky Lhotka .Net 1.1 Books

• Visual Basic.Net Business Objects
• Expert C Business Objects

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Rocky Lhotka .Net 2.0 Books

• Expert C 2005 Business Objects
• Expert VB 2005 Business Objects

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Logical Tiers
Presentation
UI
Business Logic
Data Access
Data Storage Mgmt.
From Expert VB 2005 Business Objects Ch 1
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Physical Tiers

• 1 Tier Desktop application
• 2 Tier Fat Client or Web/DB
• 3 Tier Client, App Server, DB
• 4 Tier Presentation, UI, App Server, DB

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What is CSLA
Presentation
UI
Business Logic
Data Access
Data Storage Mgmt.
From Expert VB 2005 Business Objects Ch 1
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CSLA Is

• A framework for business objects
• Objects that move between layers
• Objects that contain
• Business Logic
• Data Access

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CSLA Separates the Logical Architecture from
the Physical Architecture
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DataPortal/Mobile Objects

• The dataportal decides, how to create an object
  based on a configuration setting
• App Server usually runs in IIS
• Uses Binary Serialization and Remoting for
  efficiency
• Can use Web Services/WCF in the future.

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Advantages

• Simple UI Code
• Generatability
• Scalability - Options
• Security Options

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Extra Quality

• Rule Management
• Bindability
• Supports IDataErrorInfo
• Strongly Typed Collections of Objects
• Works well with generation

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Code Generators

• CodeSmith
• ComExpress
• Bespoke Generators

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Resources

• http//www.Lhotka.Net
• All the downloads
• Articles
• Change List
• Forums http//forums.lhotka.net
• http//www.onelittlevictory.com - Reference
• Visual Studio Live Boston Oct 24-27 2006
• Hes doing a full day workshop

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Thank You

• Slides available on
• http//www.NovickSoftware.com/Presentations
• Contact me at
• anovick_at_novicksoftware.com
• [phone]