Grant Ronald Principal Product Manager
description
Transcript of Grant Ronald Principal Product Manager
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Grant RonaldPrincipal Product Manager
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JDeveloper and ADF for Forms Developers: Taking it to the next level
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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
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What You Should Know
• JDeveloper• ADF• ADF Business Components• JSF
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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)
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ADF Business Components
Customer
Order
LineItem
OrdView
CustView
OrdView
OrdView
CustView
Application Module
View Objects
Entity Objects
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Getting into the code
• ADF BC doesn’t “generate code”• “default” XML definition
• Allows you to expose more and more of the implementation code
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Getting into the code
• Exposing code in the Entity Object
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Getting into the code
• Exposing code in the View Object
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Getting into the code
• Exposing code in the Application Module
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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
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Validation Triggers
• When-Validate-Item• When-Validate-Record
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Query Triggers
• Post-Query• Non-base table population• Running totals
• Pre-Query• Modify query
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Transactional Triggers
• Insert, Delete, Update• Pre-• Post-• On-
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The Best of the Rest
• When-Create-Record• When-Remove-Record• When-Button-Pressed (UI processing – later)
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D E M O N S T R A T I O N
Adding “trigger” code
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Searching and Querying
• Parameterize search form• ADF Search Form• ADF provides option to “ExecuteWithParams”
• Execute Query
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D E M O N S T R A T I O N
Adding search code
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D E M O N S T R A T I O N
Calling a stored procedure
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Next Level – UI Processing
• Auto Submit• Conditional UI processing
• Expression Language validation• Backing/Managed Beans
• “Stacked canvases”• Conditional page flow
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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
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D E M O N S T R A T I O N
Auto Submit
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Conditional UI Processing
• JSF Expression Language (EL)• Backing/Managed Beans
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Stacked Canvas
• <af:switcher>• Number of facets• Each facet is a “canvas”• Property to defines which
canvas to render
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D E M O N S T R A T I O N
Stacked Canvas
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Conditional Page Flow
• Button action returns a string• When-Button-Pressed
• Define page flow based on runtime criteria
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D E M O N S T R A T I O N
Conditional Page Flow
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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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