Listener

Spring Data JPA Entity Auditing using EntityListeners

Introduction The tutorial Spring Data JPA Entity Auditing using EntityListeners will show you how you persist the audit log using JPA’s built-in functionality. Spring Data  JPA provides sophisticated support to transparently keep track of who created or changed an entity and at what time. To benefit from this functionality you have to equip your entity classes […]

ValueChangeListener example in JSF 2

This tutorial shows how to use ValueChangeListener to create dependent dropdown in JSF 2 and MySQL. I have used here JSF valueChangeListener which fires value change event when select option gets change. Any component that receives user input, such as one of the HTML select or text input components, can publish value change events.

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