Presentation Abstraction Control

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Presentation- Abstraction-Control In Software Architecture Design ThanhDT00730 SE0303

description

Brief things about Presentation-Abstraction-Controller (or PAC) architecture in Software Design.Save and view in slide show mode of PowerPoint 2010 for best view (big animations)

Transcript of Presentation Abstraction Control

Page 1: Presentation Abstraction Control

Presentation-Abstraction-ControlIn Software Architecture Design

ThanhDT00730SE0303

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Preface

Presentation – Abstraction – Controller (PAC) is similar to MVC

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Model – View – Control (MVC)

View

Model Control

…but with some differences

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Presentation – Abstraction – Controller (PAC)

View

Model Control

Presentation

Abstraction Controller

Model – View – Control (MVC)

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Presentation – Abstraction – Controller (PAC)

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction ControllerPresentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

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Presentation – Abstraction – Controller (PAC)

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Presentation

Abstraction Controller

Top-level agent

Middle-level agents

Bottom-level agents

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Applicable domain

• Loosely coupling cooperating agents in a hierarchical system

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Example

Air traffic control

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Example

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Example

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Benefits

• Support of multi-tasking and multi-viewing.• Support agent reusability and extensibility.• Easy to plug-in new agent or replace an

existing one.• Support for concurrency where multiple

agents are running in parallel in different threads or different devices or computers.

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Limitations

• Extra time lost due to the control bridge between presentation and abstraction and the communication between agents

• Difficult to determine the correct number of the agents due to the loose coupling

• Development complexity

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Q&A

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Thank you for listening


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