Egl Rui Ajax World

®

IBM Software Group

Who Says Web 2.0 Is Hard? Modernize Your
Applications Without Needing a PhD in AJAX

Chris Laffra
RBD Product Architect, IBM Rational
laffrac@us.ibm.com

© 2005 IBM Corporation
Oct 21, 2008

IBM Software Group | Rational software

 © Copyright IBM Corporation 2008. All rights reserved.
 The information contained in these materials is provided for informational
purposes only, and is provided AS IS without warranty of any kind, express or
implied. IBM shall not be responsible for any damages arising out of the use of,
or otherwise related to, these materials. Nothing contained in these materials is
intended to, nor shall have the effect of, creating any warranties or
representations from IBM or its suppliers or licensors, or altering the terms and
conditions of the applicable license agreement governing the use of IBM
software. References in these materials to IBM products, programs, or services
do not imply that they will be available in all countries in which IBM operates.
 This information is based on current IBM product plans and strategy, which are
subject to change by IBM without notice. Product release dates and/or capabilities
referenced in these materials may change at any time at IBM’s sole discretion
based on market opportunities or other factors, and are not intended to be a
commitment to future product or feature availability in any way.
 IBM, the IBM logo, the on-demand business logo, Rational, the Rational logo, and
other IBM Rational products and services are trademarks or registered
trademarks of the International Business Machines Corporation, in the United
States, other countries or both. Other company, product, or service names may
be trademarks or service marks of others.
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1. Web 2.0
2. Simple
3. Extensible
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What is Web 2.0?

 An important trend in delivering software applications

 An Enabler for richer web applications
 New business models
 Peer-to-peer user participation
 New technologies
 Interactive filtering, presentation, data entry

 A combination of core technology components
 Rich user experience (maps, grids, animation, D&D, etc)
 Loose-coupling, composite applications via reuse and “mash-ups”
 Standards (SOAP, REST, JSON, Atom, etc)

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Enterprise Web 2.0 Business Scenarios New opportunities for
value creation are
emerging based on
innovative
technologies such as
Web 2.0, social
 Improve access to information for Customer Relationship Management
 computing, virtual
worlds, and more
Improve information and reporting for financial analysts
Insurance policy / risk / claims assessment (Insurance)
 Exposure of business events from operational systems (Banking)

Provide wealth-management staff with dashboard of client portfolio (Banking)
Improve visualisation of complex data (Petrochemical, Life Sciences)
 Stimulate product and service innovation with partners (Finance, Telecommunications, Travel)

 Exploit regulation and compliance information (Medical, Finance, Utilities, Pharmaceutical)

 Marketing to individuals by engaging consumers through social networking (Retail, Banking)

 Improve buying experience through rich media online shopping (Retail)

 Aggregation of legacy interfaces


6


Web2.0 sounds pretty good, eh? But…it is hard!

WSDL DOM
JSE
Servlet XML
VSAM SWT JCA
HTML
AJAX
EJB Struts MQ
CSS
RPG JSF
RPG
JavaScript JMS
COBOL O/R
SQLJ CL
JSP JDBC
IMS SOAP CICS

 Developers must learn numerous different technologies
 Cross-platform programming require totally different skills
 Must keep up with constantly changing Web 2.0 technologies

7


1. Web 2.0
2. Simple
3. Extensible
8


EGL Rich UI

 EGL Rich UI supports creation of RIAs by providing:
 Simple programming model
 Productive development tools
 Comprehensive widget library
 Web services and Mash-ups
 Extensibility

 All using one language: EGL

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Simplicity and Flexibility offered by EGL Rich UI

 Data Access
Create new data manipulation
 Inspect a database and import a record
 Tooling will generate CRUD operations
Use existing programs that interface data via s simple CALL

 Services
Simple declaration (using “service” keyword offered by EGL)
Easy deployment (WSDL and Java is generated)
End-to-end is especially simple

 UIs
Declarative layout, visual editor, CSS, simple event handling
Define/import widgets, to add to the palette

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EGL Rich UI Benefits

Single Language Rich User Interfaces Mobility
• EGL in 3 tiers: • Declarative UI
1. Data and Logic • Easy installation
• Ajax support
2. Soap/Rest Services • No version pain
• Rich set of widgets
3. Declarative UI • Flexibility
• Easily extensible
• Just 1 language
• Mashup using SOA
• Break down skills silos

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1. Web 2.0
2. Simple
3. Extensible
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Open and Extensible

 Plans for open implementation
 Allow third parties to extend EGL, develop their own version

 Use available frameworks/runtimes
 WebSphere, i5OS, Tomcat, IAS
 J2EE, JSF, TUI, BIRT, etc

 UI Libraries at the EGL Café
 Download third-party libraries
 Write your own and upload them
 Import into the visual editor palette

 Totally based on Web Standards
 REST, SOAP, JSON, OpenAjax, dojo, etc

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End-to-end Application Development

IBM i, WAS,
SOAP/REST Service Calls
DB2, RPG
getTrack(id)

getSession(id)

vote(id, 5)

EGL records

JSON Responses
Simple Services
Scalability
High Degree of Caching
Virtualization Browser

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End-to-end Application Development

REST Service Calls
PHP, SQLite
getPlan(userid)

updatePlan(…)

JSON

REST Responses
Simple Services
LAMP Stack
Easy Deployment
Browser
15


Demo

16


Questions?

17


Thank You

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