One often has to use JDeveloper when working on Oracle Technology. So you’ll be surprised to discover that while your development computers may allow up to 8Gb or 16Gb Ram; JDeveloper by default will only use 512Mb!And the same applies to your integrated WebLogic environment. JDeveloper before increase will only use 512Mb memory! I’ll highly
How to increase and tune your JDeveloper performance? Read More »
This error often occurs when you are deploying your Oracle ADF application on WebLogic for the first time. (Or when you add a new Application Module) To fix it you need to ensure that your Datasource Name is the same in your Model, Controller, and Weblogic console : View the code on Gist. Note: This
JBO-27200: JNDI failure. Unable to lookup Data Source in Oracle ADF ? Read More »
If you read yesterday article, https://cedricleruth.com/how-to-get-current-column-value-of-selected-richtable-row-from-iterator-in-adf/ , you now know have to retrieve a column value from a table selected rows inside an Oracle ADF Java Bean. While this is useful when you need to get the current column value on a button click, you may as well need to update it with a new
How to set current column value of selected RichTable row from iterator in Oracle ADF Read More »
In ADF, we often have to retrieve a column value from a table selected row from outside this table. If this table iterator is available on the current page, you can use the following function to get this value. View the code on Gist.
How to get current column value of selected RichTable row from iterator in ADF Read More »
One of the cleanest and most useful practices in Oracle ADF is to use jsff page fragments. They allow you to have one view composed of multiples small view fragments. It’s more precise, easier to maintain and allow you to reuse the same fragment multiple times on the same page. (Having multiple time the same
Duplicating a table row is often one of the first requirement added on big customer tables in an Oracle ADF application. To do so, add a column at the start of your row with a “duplicate” button containing an action listener as follow: … actionListener=”#{YOUR_SCOPE.YOUR_BEAN.duplicateRowLine}” … In this Action Event, you will need to copy
How to duplicate a Row programmatically in Oracle ADF? Read More »
Clients often require their ADF applications to process a lot of data or upload big files when their users click on a specific button. Those treatments can often take a couple of minutes to run and your user may lose patience or wonder why the application isn’t responding. As a best practice, you should always
As described in the Oracle documentation here, ADF BC uses its own row consistency enforcement mechanism : 4.10.11 How to Protect Against Losing Simultaneously Updated Data At runtime, the framework provides automatic “lost update” detection for entity objects to ensure that a user cannot unknowingly modify data that another user has updated and committed in […]
When one of your attribute in your View Object is a List Of Values, ADF will add an unselected element that will be shown as the default value. You will often be asked to have the first value being selected by default, to do that we need to add a function to the VO Implementation.
How to automatically select First value in ADF LOV inside a table? Read More »
Yesterday, I shared a quick tip on how to apply a ViewCriteria in your ADF Controller project. ( www.cedricleruth.com/how-to-apply-a-viewcriteria-programmatically-in-adf/ ) And if you’re using this snippet, you may also need to remove this ViewCriteria from the ViewObject programmatically. A typical use case is a toggle button on top of an ADF table to only display
How to unapply a View Criteria programmatically from a View Object in ADF? Read More »
