ADF 12.2.1.x brings improved API support for Contextual Event implementation - this should simplify Contextual Event usage. Now Contextual Events can be produced without referencing ActionEvent or SelectionEvent, also there is no need to define Data Control to implement Contextual Event handler. Read more in ADF 12.2.1.x documentation - 46.4 Creating Contextual Events Using Managed Beans. I will provide example and explanation how to use these improvements.
Download sample application - ContextualEventApp.zip. This sample is based on two isolated ADF regions - table and chart. When row is changed in the table, through table selection listener method I generate Contextual Event with Job Id payload and send it over, event is consumed in chart region and it allows to refresh chart by key: Read the complete article here.
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