Enterprise Flex using Cairngorm Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Enterprise Flex

using Cairngorm

JAIBEER MALIK 2004 B.Tech from IIT KGP Total 5+ years of IT Experience in software development Former Employers: Sapient, Globallogic Currently working as Senior Consultant with Xebia Certified Scrum Master Experienced in: Java, J2ee, Unix, Flex, Distributed Agile. Thumb rule: Delivering Quality solution to all software problems Hobbies: Swimming, Basketball, Volleyball, Cricket...Sports Web: http://jaibeermalik.wordpress.com Profile: http://www.linkedin.com/in/jaibeermalik Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

2004 B.Tech from IIT KGP

Total 5+ years of IT Experience in software development

Former Employers: Sapient, Globallogic

Currently working as Senior Consultant with Xebia

Certified Scrum Master

Experienced in: Java, J2ee, Unix, Flex, Distributed Agile.

Thumb rule: Delivering Quality solution to all software problems

Hobbies: Swimming, Basketball, Volleyball, Cricket...Sports

Web: http://jaibeermalik.wordpress.com

Profile: http://www.linkedin.com/in/jaibeermalik

Agenda Enterprise Flex Flex MVC : Cairngorm Flex IOC : SpringActionscript & Cairngorm Extension Other Cairngorm Extensions (UM) Cairngorm View Notifications Strategies Flex Data Transfer Strategies Flex Enterprise Security using Chimp Questions? Feedback!!! Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Enterprise Flex

Flex MVC : Cairngorm

Flex IOC : SpringActionscript & Cairngorm Extension

Other Cairngorm Extensions (UM)

Cairngorm View Notifications Strategies

Flex Data Transfer Strategies

Flex Enterprise Security using Chimp

Questions?

Feedback!!!

Enterprise Flex Enterprise Flex Suit best for the enterprise applications MVC Frameworks IOC Frameworks Solve Business problems Provide Enterprise Security Easily Scalable and Maintainable Easily Testable Flex Frameworks Cairngorm, PureMVC, Swiz, Mate, MVCS, RobotLegs, Parsley Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Enterprise Flex

Suit best for the enterprise applications

MVC Frameworks

IOC Frameworks

Solve Business problems

Provide Enterprise Security

Easily Scalable and Maintainable

Easily Testable

Flex Frameworks

Cairngorm, PureMVC, Swiz, Mate, MVCS, RobotLegs, Parsley

Flex MVC : Cairngorm Flex MVC framework Lightweight micro architecure “ best-practice” methodology Separation of concerns IDE support for command & controller Maven dependency Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Flex MVC framework

Lightweight micro architecure

“ best-practice” methodology

Separation of concerns

IDE support for command & controller

Maven dependency

Cairngorm: Micro Architecture Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Flex IOC: SpringActionscript Spring Extension, formerly known as Prana framework. IOC framework for action script. SpringActionscript Cairngorm Extension, How it fits: Event name and command mapping in front controller, define it in context file Command needs ModelLocator, inject through context file Command needs Delegate, inject through context file Delegate needs Service, inject through context file Services and Channel settings, configure through context file Helpful in testing by injecting stub. Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Spring Extension, formerly known as Prana framework.

IOC framework for action script.

SpringActionscript Cairngorm Extension, How it fits:

Event name and command mapping in front controller, define it in context file

Command needs ModelLocator, inject through context file

Command needs Delegate, inject through context file

Delegate needs Service, inject through context file

Services and Channel settings, configure through context file

Helpful in testing by injecting stub.

SpringActionscript: Getting Started Maven Repository: Maven POM depedencies: Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Maven Repository:

Maven POM depedencies:

SpringActionscript: Sample Code Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Cairngorm Extension: UniversalMind (UM) Extensions: Events View Notification Front Controllers Command Implementation Delegate Implementation ServiceLocator Helps in solving many business problems Easily integrated Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Extensions:

Events

View Notification

Front Controllers

Command Implementation

Delegate Implementation

ServiceLocator

Helps in solving many business problems

Easily integrated

Cairngorm : Responders from Command to View Cairngorm, Current Responders : Cairngorm, What we want? Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Cairngorm, Current Responders :

Cairngorm, What we want?

Cairngorm View Notification Strategies Presentation Model : Control view states (http://martinfowler.com/eaaDev/PresentationModel.html) Cairngorm UM Extension (extends UMEvent) : Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Presentation Model :

Control view states (http://martinfowler.com/eaaDev/PresentationModel.html)

Cairngorm UM Extension (extends UMEvent) :

Flex Data Transfer Strategies Influencing factors for Data Transfer Strategy Data Intensive Transfer over wire, network bandwidth Static data centric Media centric User experience centric, fancy look & feel Many more similar factors... Data Transfer Strategies Data Transfer Object (DTO/VO) Strategy Flex-facade Strategy Some-Adapter Strategy Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Influencing factors for Data Transfer Strategy

Data Intensive

Transfer over wire, network bandwidth

Static data centric

Media centric

User experience centric, fancy look & feel

Many more similar factors...

Data Transfer Strategies

Data Transfer Object (DTO/VO) Strategy

Flex-facade Strategy

Some-Adapter Strategy

Data Transfer Strategies: DTO/VO Data Transfer Object (DTO/VO) Strategy: May map domain entity on server side Retrieve only required data Avoid loading/transferring unnecessary data over wire Few Examples: Search Results DTOs Loading of large images Loading of heaving media files Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Data Transfer Object (DTO/VO) Strategy:

May map domain entity on server side

Retrieve only required data

Avoid loading/transferring unnecessary data over wire

Few Examples:

Search Results DTOs

Loading of large images

Loading of heaving media

files

Data Transfer Strategies: Facade Flex-Facade Strategy: Client specific operations, flex client specific implementation Performance optimization strategy for flex client only To solve lazy loading and transaction related problem in case using hibernate. Data transfer object conversion implementation Minimum changes to domain entities and back end service to keep it scalable for other kind of clients. Few Examples: Flex client DTO conversion To solve Hibernate loading problems Expose only flex client specific services to public Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Flex-Facade Strategy:

Client specific operations, flex client specific implementation

Performance optimization strategy for flex client only

To solve lazy loading and transaction related problem in case using hibernate.

Data transfer object conversion implementation

Minimum changes to domain entities and back end service to keep it scalable for other kind of clients.

Few Examples:

Flex client DTO conversion

To solve Hibernate loading problems

Expose only flex client specific services to public

Data Transfer Strategies: Adapters Adapters: Seamless persistence for ORM frameworks like JPA, Hibernate and Flex integration Gilead (http://noon.gilead.free.fr/gilead/) Dphibernate (http://code.google.com/p/dphibernate/) Dsadapters (http://code.google.com/p/dsadapters/) dphibernate: “ dpHibernate is a custom Flex Library and a custom BlazeDS Hibernate adapter that work together to give you support for lazy loading of hibernate objects from inside your flex applications. ” Pros: No need to worry about persistence and loading problems. Cons: Domain entities need to implement specifc interface, which can be done in flex-facade also. Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Adapters: Seamless persistence for ORM frameworks like JPA, Hibernate and Flex integration

Gilead (http://noon.gilead.free.fr/gilead/)

Dphibernate (http://code.google.com/p/dphibernate/)

Dsadapters (http://code.google.com/p/dsadapters/)

dphibernate:

“ dpHibernate is a custom Flex Library and a custom BlazeDS Hibernate adapter that work together to give you support for lazy loading of hibernate objects from inside your flex applications. ”

Pros: No need to worry about persistence and loading problems.

Cons: Domain entities need to implement specifc interface, which can be done in flex-facade also.

Flex Enterprise Security using Chimp Enterprise Security : 3-A's Authentication Authorization Access Control Server Side Security : Spring Blazeds & Spring-Security Flex Side Security : Chimp Chimp “ Chimp is permission based filtering component for Adobe Flex and AIR. Applications implement Chimp by adding metadata within the Flex UI components. Based on the metadata it will remove components completely, enable/disable, and update visibility.” Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Enterprise Security : 3-A's

Authentication

Authorization

Access Control

Server Side Security : Spring Blazeds & Spring-Security

Flex Side Security : Chimp

Chimp

“ Chimp is permission based filtering component for Adobe Flex and AIR. Applications implement Chimp by adding metadata within the Flex UI components. Based on the metadata it will remove components completely, enable/disable, and update visibility.”

Chimp : Getting Started SWC File : http://flexible-chimp.googlecode.com/files/chimp.swc Maven dependency entry Update Nexus Repo Flex Builder Update new metadata entry Maven POM entry Update new metadata entry included on maven build Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

SWC File :

http://flexible-chimp.googlecode.com/files/chimp.swc

Maven dependency entry

Update Nexus Repo

Flex Builder

Update new metadata

entry

Maven POM entry

Update new metadata

entry included on maven build

Chimp : How to use it? Using permission as metadata inside view components: Authentication: Loading permission on flex side: Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Using permission as metadata inside view components:

Authentication:

Loading permission on flex side:

Resources Jai's Weblog Flex then, now & tomorrow – From a java developer’s perspective Flex: Cairngorm (MVC), SpringActionscript (IOC) and other Cairngorm Extensions Flex: SpringActionscript (IOC) & SpringActionscript Cairngorm Extension Sample Code Examples Flex: Cairngorm View Notifications Strategies, Responders from Command to View Flex: Choosing the right flex data transfer strategy and designing the application accordingly Flex: Enterprise security implementation using Chimp, permission based filtering component Flex Tips&Tricks Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

Jai's Weblog

Flex then, now & tomorrow – From a java developer’s perspective

Flex: Cairngorm (MVC), SpringActionscript (IOC) and other Cairngorm Extensions

Flex: SpringActionscript (IOC) & SpringActionscript Cairngorm Extension Sample Code Examples

Flex: Cairngorm View Notifications Strategies, Responders from Command to View

Flex: Choosing the right flex data transfer strategy and designing the application accordingly

Flex: Enterprise security implementation using Chimp, permission based filtering component

Flex Tips&Tricks

? Jaibeer Malik Enterprise Flex using Cairngorm http://jaibeermalik.wordpress.com

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