In these days everybody talk about the
WebSokects integration with ADF.
In this post I will give some advices about this integration.
You can use
WebSockets in combination with
Database Change Notification(DCN)
In this case remember you need a grant
grant change notification to hr In
DCN You need to explicitly unregister a registration to delete it from the server and release the resources in the driver. You can unregister a registration using a connection different from one that was used for creating it With
DCN you could have problem with some column types.
ORA-29977: Unsupported column type for query registration in guaranteed mode Check if in your query you have a blob,clob or xmlType column
Websockets have a default
timeout in 30s
WebSocketAdapter now is deprecated, here you have oficial doc to build WebSockets in weblogic.
With WebSockets you can build something like that
Sometime clients demands this feaute and I think is unknown funcionality
The LOV component have a property called
CreatePopupId where you can indicate the popup that will use for create new rows.
Then above of the table result appear a buton to open the new popup to create rows.
This week I have been learning
MongoDb and I’m looking for some ways to connect MongoDB with ADF Faces.
We can use Bean or EJB DataControl.
Another way could be https://spring.io/guides/gs/accessing-data-mongodb/ in combination with ADF Faces
Here there are another way
And remember that in Oracle you have another No SQL database
The last release of ADF 12.2.1 has a lot of improvments and news.I think now we have a stable release and is time to migrate o to begin a new project.
A lot of new Components
Maven Integration with online maven repository
Support to REST Datacontrols
New Alta Skin
Publicado en ADF |
Etiquetado 12c |
The Oracle Applications Cloud User Experience Rapid Development Kit (
RDK) is Development Kit with a set of funcionalities to build application with a oracle cloud style and modern look and feel.
RDK is a set of free resources that will help you learn faster, design simpler and build better.
Is a good tool to learn how to build user friendly applications and get ideas
Isn’t necessary deploy this aplications in cloud, you can use this guidelines for your stand alone applications
This commands can be useful when you need pass a domain between node.
pack -domain=<path>\SourceDomain -template=<path>\domain.jar -template_name="Default Domain"
unpack -template=<path>\domain.jar -domain=<path>\TargetDomain
These shell scripts are available in
Some weeks ago Oracle released new version of
In this new version we have improvements in:
and new features:
Theme Editor, user-friendly interface to work with Skins
New Graph Components
ADF REST Data Controls
Now the online demo has been redesigned with new template and Alta Skin
More info about this version:
Another day someone in the OTN forum asked how to clean the resutls in a
We can do it with code, working withe the ViewCriterias of the ViewObject, but also we can add a hide funcionality in the af:table.
If we add a new column with the property
rowHeader a true, our table will have a new column with a button to clean the filter in the tables
Like the below image
Sometimes using the last version Jdeveloper 12c.(12.1.3) I have had some problems when I debug and I test new changes in the code.
The application doesn’t get the changes despite I remove the classes.
In these cases you should check if you have
a folder called classes in the web-inf folder.In this case, remove the classes folder and run it again.