Hibernate Automatic Versioning

Question

I have developed a customer maintenance application. Users can alter the customer details via web interface. I want to handle the following scenario:

1. Use

Answer 1

one solution, when second request tends to update details first check if it is updated after details loaded, if so then raise exception and allow user to change after loading details again, you can use modification time stamp to compare

Answer 2

You just need to add a field annotated with @Version:

public class Customer {

 @Id
 private Long id;

 @Version
 private Long version;

 // rest of the fields, etc.

}

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