Chapter 11. Transactions and concurrency
In this chapter
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Defining database and system transaction essentials
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Controlling concurrent access with Hibernate and JPA
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Using nontransactional data access
In this chapter, we finally talk about transactions: how you create and control concurrent units of work in an application. A unit of work is an atomic group of operations. Transactions allow you to set unit of work boundaries and help you isolate one unit of work from another. In a multiuser application, you may also be processing these units of work concurrently.
To handle concurrency, we first focus on units of work at the lowest level: database and system transactions. You’ll learn the APIs for transaction demarcation and how to define units ...
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