... TRANSACTION MANAGEMENT, AND AOP 79 In principle, the transactionality of the methods could be implemented by explicitly writing all of the methods with appropriate try and catch blocks, and accessing ... 6:46 AM CHAPTER 5 ■ THE SERVICE LAYER, TRANSACTION MANAGEMENT, AND AOP 87 Schema Extensions and Annotation-Based Transactions The transaction management that you looked at in the section “Transactions ... syntax and by creating custom Advice and Pointcut imple- mentation classes. Minter_685-4C05.fm Page 93 Monday, November 5, 2007 6:46 AM 94 CHAPTER 5 ■ THE SERVICE LAYER, TRANSACTION MANAGEMENT, AND...