Titlebook: Beginning Hibernate; Joseph B. Ottinger,Dave Minter,Jeff Linwood Book 20143rd edition Dave Minter and Jeff Linwood and Joseph Ottinger 201

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Heidi Harju-Luukkainen,Jouni VettenrantaMost significant development projects involve a relational database. The mainstay of most commercial applications is the large-scale storage of ordered information, such as catalogs, customer lists, contract details, published text, and architectural designs.

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Ritva Kantelinen,Victoria PogosianIn this chapter, we‘re going to create the shell of an application, which will allow us to demonstrate a number of concepts common for systems that use Hibernate. We‘ll be covering:

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,Secondary Electron—Electron Emission,The purpose of Hibernate is to allow you to treat your database as if it stores Java objects. However, in practice, relational databases do not store objects-they store data in tables and columns. Unfortunately, there is no simple way to correlate the data stored in a relational database with the data represented by Java objects.

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Ion Bombardment of Incandescent Metals,In Chapter 5, we discussed the need to create mappings between the database model and the object model. Mappings can be created in two different ways: via inline annotations (as we’ve done through the book so far), or as separate XML files in one of two primary formats.

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Molecular Scattering from Surfaces (Theory),Hibernate provides a number of capabilities beyond the simple “native Hibernate API.” In this chapter, we are going to discuss using the standard JPA configuration resource, Hibernate’s object validation facilities, and object lifecycle events—along with a few other tricks.

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Theory of Atom-Surface Collisions,You may have noticed that the . object is the central point of access to Hibernate functionality. We will now look at what it embodies and what that implies about how you should use it.