How to create the new record of web service in the ADF?

Hello, I use JDeveloper 11.1.2.3.0. I created a class and published as a web service. I created a web method like this:

   public void addNewRow(MyObject cob) 


{ 


MyAppModule myAppModule = new MyAppModule(); 


try { 


ViewObjectImpl vo = myAppModule.getMyVewObject1(); 


================> vo object is now null 


Row r = vo.createRow(); 


r.setAttribute("Param1", cob.getParam1()); 


r.setAttribute("Param2", cob.getParam2()); 


vo.executeQuery(); getTransaction().commit(); 


} 


catch (Exception e) { e.printStackTrace(); } 


}

As I have written in the code, myAppModule.getMyVewObject1 () returns a null object. I do not understand why! AFAIK AppModule must initialize the object itself, when I call "getMyVewObject1()", but maybe I'm wrong, or maybe that's not the way it should be for the web methods. Has anyone ever have this problem? Any help would be much appreciated.

You must use Configuration.createRootApplicationModule () to create the new instance of AM.

Example: creating root Application Module Instance & #8211; Oracle ADF | Techiecook & #039; s Nook

Also, the methods in your AM can be automatically exposed as service web soap:

Andrejus Baranovskis blog: Web Service Interface for molten Oracle 11 g ADF BC Application Module

And note that your code has other issues, for example:

vo.createRow () will not automatically add this line to the View object.

vo.executeQuery () is not necessary...

Dario

Tags: Java

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