Download PDF by Jeff Linwood, Dave Minter: Beginning Hibernate (2nd Edition)
By Jeff Linwood, Dave Minter
Beginning Hibernate, moment Edition is perfect if you’re skilled in Java with databases (the conventional, or “connected,” approach), yet new to open-source, light-weight Hibernate—the de facto object-relational mapping and database-oriented software improvement framework.
This booklet packs in information in regards to the liberate of the Hibernate 3.5 patience layer and gives a transparent creation to the present average for object-relational patience in Java. and because the publication retains its specialise in Hibernate with no losing time on nonessential third-party instruments, you’ll manage to instantly commence development transaction-based engines and applications.
Experienced authors Dave Minter and Jeff Linwood supply extra in-depth examples than the other publication for Hibernate newcomers. The authors additionally current fabric in a full of life, example-based manner—not a dry, theoretical, hard-to-read fashion.
What you’ll learn
* tips to construct company Java-based transaction-type purposes that entry complicated info with Hibernate, together with software program as a carrier (SaaS)
* find out how to paintings with Hibernate 3.5
* the place to combine into the patience lifecycle, together with cloud program implications
* how you can map utilizing annotations, Hibernate XML documents, and extra
* tips on how to seek and question with the recent model of Hibernate
* whilst to combine with Spring, Grails, and extra
Who this publication is for
This publication is for Java builders who are looking to know about Hibernate.
Table of Contents
* An advent to Hibernate
* Integrating and Configuring Hibernate
* construction an easy Application
* The patience existence Cycle
* an summary of Mapping
* Mapping with Annotations
* developing Mappings with Hibernate XML Files
* utilizing the Session
* Searches and Queries
* complicated Queries utilizing standards
* Filtering the result of Searches
* Case Study — utilizing Hibernate with an current Database
Read or Download Beginning Hibernate (2nd Edition) PDF
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Extra resources for Beginning Hibernate (2nd Edition)
These “classic” session objects implement all of the Hibernate 3 session functionality in addition to the deprecated Hibernate 2 session methods. We briefly discuss the changes in core functionality between Hibernate 2 and 3 in Appendix D. You obtain a session from the SessionFactory object using one of the four openSession() methods. The no-argument openSession() method opens a session, with the database connection and interceptor specified in the SessionFactory’s original configuration. You can explicitly pass a JDBC connection to use, a Hibernate interceptor, or both as arguments to the remaining openSession() methods.
We do not permit duplicate names to be stored in the table. To model this unique constraint, we use the @Column annotation and set the unique attribute on the @Column annotation to true. When we create the database schema from the annotated POJOs, the name column for the aduser table will have a unique constraint that the database will enforce for us. The password field: Represents a given user’s password. It should be stored in a column called password. It has type String. Bearing these features in mind, the updated Java class in Listing 3-11 should be extremely easy to follow.
While the SessionFactory is a heavyweight object, the Session objects are lightweight. You perform your persistence operations using Session objects. Each thread in your application should get a separate Session object from the session factory. To sum up, there are three classes that you need to use: AnnotationConfiguration, SessionFactory, and Session. • Use the AnnotationConfiguration class to read (and to set) configuration details. • Use the AnnotationConfiguration object to create a SessionFactory object.
Beginning Hibernate (2nd Edition) by Jeff Linwood, Dave Minter