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Java Persistence with Hibernate
book

Java Persistence with Hibernate

by Gavin King, Christian Bauer
October 2006
Intermediate to advanced content levelIntermediate to advanced
880 pages
22h 11m
English
Manning Publications
Content preview from Java Persistence with Hibernate

11.1. Propagating the Hibernate Session

Recall the use case we introduced in the previous chapter: An event that triggers the end of an auction has to be processed (Chapter 10, section 10.1, "Transaction essentials"). For the following examples, it doesn't matter who triggered this event; probably an automatic timer ends auctions when their end date and time is reached. It could also be a human operator who triggers the event.

To process the event, you need to execute a sequence of operations: check the winning bid for the auction, charge the cost of the auction, notify the seller and winner, and so on. You could write a single class that has one big procedure. A better design is to move the responsibility for each of these steps into reusable ...

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