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Wednesday 30 December 2015

Create REST Web Service with Application Module declaratively in ADF 12.2.1

REST stands for Representational State Transfer, REST is an architectural style not a protocol as SOAP that's why it can use any other protocol like SOAP, HTTP etc.
REST requires less bandwidth and resources (lighter) than SOAP

New ADF 12.2.1 supports creating RESTful web services directly from Application Module, In previous versions we have to do everything manually
See- Create RESTful services on top of ADF Business Components

Tuesday 22 December 2015

Create SOAP Web Service with Application Module quickly in ADF 12.2.1

SOAP stands for Simple Object Access Protocol, a protocol to exchange information in XML format between two applications over HTTP. This protocol is used to create ,access and consume web services.

SOA (Service Oriented Architecture) focuses on re-usability and exposing application module as web service makes it's methods and objects accessible from any device , any platform and these methods and objects can be further used by any other application

Friday 18 December 2015

Scroll to particular component using af:scrollComponentIntoViewBehavior tag in ADF Faces

You all must have seen HTML Anchor links, this is actually called link within page and used to navigate between page sections
Same as HTML anchor tag ADF Faces has <af:scrollComponentIntoViewBehavior> tag that allows user to jump to a particular component on page

Tuesday 15 December 2015

Checkbox ValueChangeListener problem in af:table - ADF 12.1.3

Recently i faced a problem while working on one of my application, it has an editable table having one check box column and a valueChangeListener is defined on that check box.

Problem is that whenever user selects any row of table , valueChangeListener of check box is called every time for all editable rows, this is weird because VCL should execute only when user selects or deselects check box

Monday 14 December 2015

Responsive UI with new af:matchMediaBehavior in ADF

Jdeveloper and ADF 12.2.1 comes with many new features ( see these posts-
New look of dvt:funnelChart for Data Visualization in Jdeveloper
New look of dvt:pieChart as donut chart for Data Visualization in Jdeveloper  )
and supports responsive UI design.
Masonry Layout and MatchMediaBehaivor tag is introduced to support responsive UI design

af:matchMediaBehavior allows developer to control properties of components according to screen size. It uses CSS media queries to detect screen size and changes value of specified property of component

Friday 4 December 2015

New look of dvt:pieChart as donut chart for Data Visualization in ADF

Oracle Jdeveloper 12C ( documentation tells about a new enhancement in look of pie chart

We can now design donut chart using dvt:pieChart , innerRadius property allows us to create donut chart look on the base of default pie chart.
Donut chart is nothing just a variation of pie chart that show data in sections of a circle, I believe everyone knows how to design a pie chart in ADF Faces