GET THE NEXT STOP OF THE TRAIN FROM A MANAGED BEAN (JDEVELOPER AND ADF).
Hello.
I have a train that works perfectly with the buttom train Assistant; but when I try to create a custom button to the next train stop to skip a prompt to alert of error:
"java.lang.NullPointerException ".
"ADF_FACES-60097: SERVER SO THAT PPR, #2 EXCEPTION"
The managed code of the action of the bean is:
public String cb1_action() {}
Add the code in the event here...
ControllerContext controllerContext = ControllerContext.getInstance ();
ViewPortContext currentViewPortCtx = controllerContext.getCurrentViewPort ();
TaskFlowContext taskFlowCtx = currentViewPortCtx.getTaskFlowContext ();
TaskFlowTrainModel trainModel = taskFlowCtx.getTaskFlowTrainModel ();
TaskFlowTrainStopModel currentStop = trainModel.getCurrentStop ();
trainModel.getNextStop (currentStop);
Returns a null value.
}
Best regards.
Your use case is described in this blog http://www.oracle.com/technetwork/developer-tools/adf/learnmore/82-programmatically-navigate-trains-396873.pdf
Timo
Tags: Java
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