This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
I have written a custom implementation for Primary Key Generation using entity command. This implementation works fine for entity beans having Integer as Primary Key Class. The Class Cast Exception is being thrown for the beans having java.lang.Long as primary key Class.