grant ronald principal product manager jdeveloper and adf for forms developers: taking it to the...
TRANSCRIPT
Grant RonaldPrincipal Product Manager
JDeveloper and ADF for Forms Developers: Taking it to the next level
Agenda
• What you should know• What this presentation is• What this presentation isn’t!
• Getting into the code• Extending the business logic
• Common “Forms trigger” points• Searching and querying• Calling a stored procedure from ADF BC
• Extending the user interface• Conditional page flow• Stacked canvases
What You Should Know
• JDeveloper• ADF• ADF Business Components• JSF
ADF Architecture
ADF Data Binding/ Data Control
Struts JSF
JSF/ADF FacesJSPADF Swing
Java Classes
EJB ADF Business
Components
WebServices
PortletsJSR-168WSRP
View
Controller
Model(JSR 227)
Business Services
Toplink
Relational Data XML Data Packaged AppsLegacy Data
Data Source
Metadata Services (MDS)
ADF Business Components
Customer
Order
LineItem
OrdView
CustView
OrdView
OrdView
CustView
Application Module
View Objects
Entity Objects
Getting into the code
• ADF BC doesn’t “generate code”• “default” XML definition
• Allows you to expose more and more of the implementation code
Getting into the code
• Exposing code in the Entity Object
Getting into the code
• Exposing code in the View Object
Getting into the code
• Exposing code in the Application Module
Common “Forms Trigger” points
• Validation• When-Validate-Item, When-Validate-Record
• Query • Pre-Query, Post-Query
• Transaction• Pre-Commit, On-Commit, Post-Commit• Pre-Insert, On-Insert, Post-Insert• Pre-Delete, On-Delete, Post-Delete
Validation Triggers
• When-Validate-Item• When-Validate-Record
Query Triggers
• Post-Query• Non-base table population• Running totals
• Pre-Query• Modify query
Transactional Triggers
• Insert, Delete, Update• Pre-• Post-• On-
The Best of the Rest
• When-Create-Record• When-Remove-Record• When-Button-Pressed (UI processing – later)
D E M O N S T R A T I O N
Adding “trigger” code
Searching and Querying
• Parameterize search form• ADF Search Form• ADF provides option to “ExecuteWithParams”
• Execute Query
D E M O N S T R A T I O N
Adding search code
D E M O N S T R A T I O N
Calling a stored procedure
Next Level – UI Processing
• Auto Submit• Conditional UI processing
• Expression Language validation• Backing/Managed Beans
• “Stacked canvases”• Conditional page flow
Auto Submit
• HTML UI validates only on POST• ADF Faces provides Partial Page Rendering• AutoSubmit submits page when field changed• PartialTrigger defines fields that re-act to changes
D E M O N S T R A T I O N
Auto Submit
Conditional UI Processing
• JSF Expression Language (EL)• Backing/Managed Beans
Stacked Canvas
• <af:switcher>• Number of facets• Each facet is a “canvas”• Property to defines which
canvas to render
D E M O N S T R A T I O N
Stacked Canvas
Conditional Page Flow
• Button action returns a string• When-Button-Pressed
• Define page flow based on runtime criteria
D E M O N S T R A T I O N
Conditional Page Flow
Summary
• ADF provides Forms developers with• All your favorite triggers• Many of the common Forms concepts
• Stacked canvases• Defining search criteria• Conditional page flow
• And a lot more besides!
• JDeveloper and ADF continue to provide more and more productivity features for Forms developers
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