Download Hibernate Recipes: A Problem-Solution Approach (Recipe by Gary Mak, Srinivas Guruzu PDF

By Gary Mak, Srinivas Guruzu

Hibernate remains to be the preferred out-of-the-box framework answer for Java endurance and data/database accessibility concepts and styles. it's used for e-commerce–based internet functions in addition to heavy-duty transactional structures for the firm. Gary Mak, the writer of the best-selling Spring Recipes, now brings you Hibernate Recipes. This ebook includes a selection of code recipes and templates for studying and construction Hibernate options for you and your consumers. This publication is your pragmatic daily reference and consultant for doing all issues concerning Hibernate. there are numerous books inquisitive about studying Hibernate, yet this booklet takes you extra and indicates how one can follow it virtually on your day-by-day paintings. What you’ll examine the fundamentals of object-relational mapping and the way Hibernate is most suitable for it tips to do a number of mappings, together with one-to-one mapping, many-to-one mapping, assortment mapping, part mapping, and inheritance mapping find out how to use Hibernate question Language (HQL) easy methods to practice batch processing and use local SQL, standards queries, caching gadgets, and extra tips on how to let Hibernate in net functions with e-commerce find out how to use Hibernate for heavy-duty company transaction–based structures Who this booklet is for This booklet is for skilled Java builders trying to use Hibernate, yet is additionally applicable for Java builders new to Hibernate. desk of Contents beginning with Hibernate uncomplicated Mapping and item Identity   part Mapping  Inheritance and customized Mapping   Many-to-One and One-to-One Mapping   assortment Mapping  Many-Valued institutions  HQL and JPA question Language  Querying with standards and instance  operating with gadgets  Batch Processing and local SQL   Cashing in Hibernate  Transactions and Concurrency   internet functions

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The code isn’t portable to other databases. Solution This section shows how you perform basic Create, Read, Update, and Delete (CRUD) operations using JDBC and describes the problems with using basic JDBC. You see how the object model is translated into the relational data model. How It Works To Start, you will need to create an eclipse project. You will need to install Derby jars and configure Creating an Eclipse Project To begin developing your Java application, you create a bookshop project in Eclipse.

Xml and must be located in your classpath. xml file, the complete unit is defined by . This name should match the name used when you create a EntityManagerFactory. The transaction-type RESOURCE_LOCAL is used here. Two transaction types define transactional behavior: JTA and RESOURCE_LOCAL. JTA is used in J2EE managed applications where the container is responsible for transaction propagation. For application-managed transactions, you can use RESOURCE_LOCAL. The tag specifies the third-party ORM implementation you use.

It abstracts the actual logging framework that an application uses. jar in the case of log4j. You can also enable a property called showsql to see the exact query being executed. You can configure a logging layer like Apache log4j to enable Hibernate class- or package-level logging. And you can use the Statistics Interface provided by Hibernate to obtain some detailed information. How It Works You will have to configure the Hibernate property show_sql and log4J to enable logging. Inspecting the SQL Statements Issued by Hibernate Hibernate generates SQL statements that let you access the database behind the scene.

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