Model Driven Architecture

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Model Driven Architecture

• Introduction

NEO IASA 2009-Nov-03
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Agenda

• What can we learn from the car industry
• Car Manufacturing Before Automation
• Car Manufacturing After Automation
• Software Development
• IT challenges
• Benefits of automation
• Challenges to automation
• MDA overview
• What is MDA?
• Who is behind MDA?
• MDA Models
• MDA Development Lifecycle
• MDA Models example
• How does MDA achieve automation?

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What can we learn from old industries?
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Car Manufacturing Before Automation
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Car Manufacturing After Automation
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Software Development Still labor intensive
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IT Challenges

• Application development is expensive
• 44 of software projects run over budget (versus
  cost effective)
• Application development is complex and risky
• 30 of software projects are canceled (versus
  repeatable)
• Application development seldom delivers
  according to expectations
• 60 of software projects are not considered a
  success by the
• business (versus predictable)
• Application development is always late
• 90 of software projects are delivered late
  (versus on time)

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Benefits of Automation

• Reduce development costs
• Reduce development time for new applications
• Improve application quality
• Increase return on technology investments
• Rapid inclusion of emerging technologies into
  existing systems

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Challenges to Automation

• Hetereogenity of programming languages, operating
  systems and middleware technologies hinders the
  development of enterprise distributed systems
• IT technology is in constant change and nobody
  knows what will be the next best thing. Companies
  are struggling to preserve their software
  investment as the infrastructure landscape and
  the tools change around it
• The number of domain aspects to be automated is
  growing
• Separating business concerns from technology
  concerns
• Translate business requirements into automated
  solutions
• Each solution is unique or so we think?

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What is the MDA?

• MDA is an architectural approach to software
  development that focuses effort on the
  development of models rather than detailed,
  platform-specific code. Code can be generated
  (with automated assistance)
• MDA separates business logic from underlying
  platform technology
• Design once, build it on any platform

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OMGs Milestones
OMG is founded
CORBA 2.0
CORBA 1.0, IDL
MDA
UML, MOF, XMI, CWM
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Who is behind MDA?

• MDD is an initiative of the Object Management
  Group (OMG).
• OMG is an international, not-for-profit
  industrial consortium which creates
• and maintains software interoperability
  specifications. Leading IT vendors and
• fortune 500 companies are members of the OMG
  group. To list few
• IBM
• Sun
• Oracle
• Oasis
• SAP
• Microsoft
• John Deere
• Boeing, Citigroup, Ford
• Others
• OMG is the group that created UML and CORBA
  standards

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MDA Models
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MDA Development Lifecycle (Cont)
MDD
MDA
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MDA Models (Cont)
Business Model
Domain Patterns
Functional Patterns
Transformation Patterns
Platform Independent Model (PIM)
Application model (dbms, ejb, web)
Application Patterns
Platform Specific Model (PSM)
Code Model
Code Patterns
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MDA Models Example
Business Model ACORD
Domain Patterns ACORD Model
Functional Patterns
Transformation Patterns
Platform Independent Model (PIM)
Application model Portal model, Web Services
Model, Hibernate model, Message Driven Beans
Model
Application Patterns J2EE, Portal
Platform Specific Model (PSM)
Code Model Portlets, Web Service code,
Hibernate code, MDB code
Code Patterns Java
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How does MDA achieve automation?
From a presentation on Model Driven Architecture
(MDA) by Jon Kern
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Appendix
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PIM Example
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PSM Example
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Meta Object Facility (MOF)

• MOF provides the standard modeling and
  interchange constructs
• that are used in MDA. These constructs are a
  subset of the UML
• modeling constructs.. MOF also defines
  programmatic interfaces
• for manipulating models and their instances
  spanning the
• application lifecycle.These are defined in IDL
  and are being
• extended to Java.

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MDA Summary Key takeaway

• MDA is a work in progress the very definition
  of MDA is evolving.
• MDA is another small step on the long road to
  turning the craft of building software into an
  engineering discipline.
• MDA represents an evolutionary step forward
  from previous development
• approaches.
• MDA helps organizations achieve agile and
  adaptable IT so they can overcome
• various business challenges.
• The model driven approach maximizes ROI
• Accelerate the adoption of new technologies

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References

• MDA Explained The Model Driven Architecture
  Practice and Promise , by Anneke Kleppe Jos
  Warmer Wim Bast
• Model-Driven Architecture TM, David S.Frankel,
  http//www.omg.org/MDD/MDD_files/DFrankel_MDD_v01-
  00_PDF.pdf
• Compuware, Compuware OptimalJ How model-driven
  development enhances productivity,
  http//www.compuware.com/dl/Model_Driven_41.pdf
• MDD Information Page, http//www.omg.org/MDD/
• Model Driven Architecture An introduction,
  Richard Mark Soley, Ph.d.
• Making the case OMGs Model Driven
  Architecture, Jon Siegel, http//www.sdtimes.com/a
  rticle/special-20021015-01.html
• OMGs Model Driven Architecture, David Buscaldi,
  D.I.S.I

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Questions
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Thank You!