Oracel ADF Introduction

Copyright © 2006 Oracle Corporation
APPLICATION
DEVELOPMENT
FRAMEWORK

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Introduction Oracle ADF
FUSION MIDDLEWARE
APPLICATION DEVELOPENT
FRAMEWORK

Oracle Application Development Framework
 Increase productivity & ease-of-use
- Visual and declarative development
- Takes care of the “plumbing” code
- Implements best practices
 Promote service oriented development
- Re-usable business services
- Composite applications development
 Standards-based
- Java EE, SOA SDO/SCA
 End-to-end coverage
- MVC, security, customization

Oracle’s Strategic Framework
 ADF is used at Oracle for all “next generation” Web User interface
- Fusion Application (CRM, HCM etc.)
- Middleware components (Enterprise Manager, administration consoles
etc)
- Vertical applications (Insurance, telco, pharma…)
- WebCenter Spaces and Services
 Anyone can use this
- Available to customers and partners as part of the platform

Oracle ADF – Common Binding

Oracle Fusion Architecture

Oracle ADF – The Bigger Picture

ADF Faces Rich Client Components
 Over 150 components
 Ajax enabled
 Pluggable look and feel
 Accessibility & internationalization
 The usual components plus:
- Charts, gantt, geo-map, pivot, calendars, coverflow
 Build in advanced functionality:
- Drag and drop framework
- Dialog and pop-up framework
- “Active Data” – Dashboards / push updates (comet)
- Templating and declarative components

ADF Business Components
A framework that simplifies developing Java EE Business services for
developers familiar with 4GL tools, declarative development, and
relational databases
 Simplify data access
 Simplify validation and business logic
 Uses SQL based data views
 Separate data view from business logic
 Implement best practices
 Easy customization

ADF Model – Data Binding
 ADF Model
- JSR-227 Data Controls
 Service Oriented Interface
- Abstract implementation from clients
- Loose coupling between services and application
 More Reusability
- Discover and share services
 More Productivity
- Drag and drop data binding
- Declarative validation
- Control hints

ADF 11g Build-in Data Controls
• ADF Business Components
• JAVA Class
• EJB
• Web Services
• URL (XML or CSV)
• BAM
• UCM
• BPM TaskList
• Essbase
• Place Holder
• Add your own

ADF Controller
 An extension to the JSF page flow engine
 Define flows of pages and methods
 Diagram your process
 Build reusable task flows
- In other flows, inside other pages
 Advance functionality in a declarative way
- Transaction, initialization, Back button

Task Flows – Reusable Page Flows

Oracle ADF Mobile
 Two approaches:
- ADF Mobile Browser
- ADF Mobile Client
 Extend your existing application
 Reuse business services
 Same development concepts

 Excel Spreadsheets connected to Java
Business services through ADF binding
 Familiar working environment
 Connected or disconnected
 Leverage business service and security
from your application
Oracle Desktop Integration

MDS – Layered Customizations
Key Capabilities:
 Common metadata store
 Set up personalized content
and services for users
 Stored as layers on top of base
application
Benefits:
 Insulates users from updates
and patches
 Used throughout Oracle stack
business processes, business
intelligence and applications
1.Base application deployed
2.Onsite branding
3.LOB branding
4.User personalization
and more…

 Authentication and authorization
 End to end security
- Business service operations
- Task flows
- UI components
 Externalized security administration
 Sits on top of Oracle Platform Security Services
- Pluggable providers
- Adaptive access management
ADF Security

ADF Security – End-to-end Security

FUSION MIDDLEWARE
FRAMEWORK ADF Business Component

Oracle ADF Architecture

The Business Service Layer
 Manages Persistence
- O/R mapping
- Queries/DML
 Performs Validation
- Data validation
- Business logic
 Choices of implementation
- ADF Business Components, JPA Entities, Web
Services, Java classes

ADF Business Components Characteristics
 Provides data interaction & business logic execution
 Maps to a data source
 Enable 4GL development
- Declarative and visual development
- Implemented in metadata
 Enables business logic development
- Declarative business rules
- Pre-defined Java methods for events
 Can expose application modules as services
 Based on Java and XML

Artifacts of ADF Business Components

Entity Objects
• Maps to a row in a database table
• Handles insert, update, delete operation
• Define behaviors for attributes
• Can continue validation and business logic

Entity Objects – Persist Data

Associations
 Define a relationship between Eos
 Facilitate access to data in related entity
objects
 May be based on database constrains
 May be independent of database
constraints
 Are used in defining validation and LOV
 Consist of a source (master) and a
destination (detail) entity

View Objects
 Represent a query
 Are used for joining, filtering, projecting, and
sorting business data
 Enable you to have a view of data that is specific to
one part of your application
 Can be constructed from a SQL statement, static
values, or populated programmatically
 Can also be based on any number of entity objects

Using View Objects

Using View Objects
Application Modules:
• Contain an active data model that the client uses to interact
with view object instances
• Control the connection to the database and keep track of all
changes that affect data in the database
• Provide remotely accessible methods to implement
application module behavior
• Are easily reused

Creating Entity Objects
1. Map to Table 2. Choose/add attributes 3. Set attribute properties

Defining Attribute’s Properties
 Control functionality and
behavior
- Mandatory
- Default value
- Refresh on update
- More
 UI Hints – default UI
representation
- Label
- Tooltip
- Format mask
- Control type

Creating View Objects
1. Define type
2. Define data sources

Creating View Objects: Attributes And Settings
3. Choose attributes
4. Set attribute’s properties

Creating View Objects: SQL Statement
Modify Query if needed

View Criteria – Dynamic Where Clause
• Define multiple query
conditions
• Apply Selected condition at
runtime
• Enables further view object
reusability

Linking View Objects
 Join query
- Define at view object query
- Can be updatable
 Master/Detail
- Define with view links
- The detail item belongs to the
master

List of Values
• Define at the attribute level
• Gets list from another view
object
• Define type of list and list
behavior

Defining Data Model for the Application Module

ADF Business Components – XML and Java
• ADF BC uses XML metadata to describe the objects
• By default there are no Java files created
• In many cases you don’t need java files
• However if you want more complex logic you’ll put that in a Java
file overriding default behavior
• You can create Java files for EO, VO and AM

Adding Logic to your Entity Object
• The *Impl file is the
one you’ll mostly
use
• Then choose which
default method to
create
• You only need to
create the one you
want to override

Finding Hook-Points
 Use Source -> Override
Methods to locate an
event you want to inject
code into
 You have access to:
- Set/get for attributes
- Transaction events
- Creation/remove events
- DML events
 Similar to Oracle Forms
Triggers

Access Your Application Module
• AM exposes view Objects, links and
default operations on the views
• You can add methods to the AM
• AM is exposed to UI developers in the
Data Control Palette
• Drag and drop AM content into your
page to build the UI

Exposing Your Business Service to Other System
 Create SCA/SDO interface to
business services declaratively
 Automates creation of:
- Java interface – defines the service
- EJB 3.0 session bean – implements
the Java interface
- WSDL file – describes the service’s
operations
- XML Schema Document (XSD) –
defines the service’s data
structures
 Integration with Oracle’s SOA
Suite

FUSION MIDDLEWARE
FRAMEWORK ADF Faces

Web User Interface in Oracle ADF
 MVC approach to web UI development
 Based on JSF – the Java EE Standard MVC framework
 Extended capabilities provided by Oracle ADF
- ADF Faces – richer set of JSF components
- ADF Controller – extended controller with reusable task flows
- ADF Binding – simpler binding of view and controller to business
services

Oracle ADF – High Level Architect
MVC – Model View controller

Layout Components
• Arrange your page using areas
• Relative positioning
• Advanced layouts
• Change page layout at runtime

Common Components

Common Components
 Input and output components
- Fields, sliders, selectors
 Navigation components
- Links, buttons, menus
 List selection components
- Dropdown, LOV, shuttle
 Data collection components
- Table, tree, carousel
 Others
- Progress bar, calendar

Operation Components
• Instead of writing
JavaScript
• Validators
• Convertors
• Behaviors
• Drag and drop
• Listeners
• Export
• Print
• More…

Graphs
 50 graph types
 Flash or PNG rendering
 Interactive:
- Zoom
- Scroll
- Time selector window
- Line and legend
highlighting/fading
- Dynamic reference
Lines and areas
- Animation

Graphs

Graphs
• Dial: standard and threshold
• Status Meter: standard and
threshold
• LED

Geographic Map
 Represents business data on
a geographic map
 Supports superimposing
multiple layers of information
on a single map
 Available Map types are:
- Thematic
- Pie
- Bar
- Point

Pivot Table
• Multiple Layers of
data labels on a row
or a column edge
• Automatic
calculation of
subtotals and totals
• Drag and drop
pivoting

Gantt Chart
 Track tasks and resources on a Time
 Gantt Chart types
- Project Gantt
- Scheduling Gantt
- Resources Gantt

Hierarchy Viewer
 Hierarchical data
representation
 Expand/collapse/
isolate nodes
 Zoom in/out
 Change layout
 Include ADF
Faces
components in
nodes

Declarative Partial Page Rendering (PPR)
Partial Page Rendering:
• Enables redrawing only a portion of a page
• Can be enabled declaratively or programmatically

JavaScript API
• Interact with ADF Faces components from client side
JavaScript
• Allows you to have a client representation of the component
• Catch events and react on the client side
• Invoke server side events from client side JavaScript code
• As a rule – try to minimize the usage of this feature

Templates
• Reusable ADF Faces page that contains place holder for custom
page content
• Templates are interpreted at runtime
• Authors can change the template for an existing application
without opening the application itself
• Templates can have their own ADF binding file
• Templates may accept parameters for passing information from
the inheriting page to the template

Declarative Components
• Construct composite components from other components
• Can customize behavior using attributes, methods, and facets
• Package components for reuse in other applications

Q U E S T I O N S
A N S W E R S

Oracel ADF Introduction

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