Java Persistence with Hibernate phần 8 docx

... navigating associations to new Criteria s. With the Java Persistence API, your starting point for queries is the EntityMan- ager . To create a javax .persistence. Query instance for JPA QL, call ... options we present in this section work for a native Hibernate application or an applica- tion that depends on Java Persistence interfaces and uses Hibernate as a persis- tenc...

Ngày tải lên: 12/08/2014, 19:21

... enjoy working with Hibernate. CONTENTS xvii 17.5 Simplifying persistence with Seam 80 3 Implementing a conversation 80 4 ■ Letting Seam manage the persistence context 81 1 17.6 Summary 81 6 appendix ... fundamentals 81 8 appendix B Mapping quick reference 82 2 references 82 4 index 82 5 v brief contents PART 1GETTING STARTED WITH HIBERNATE AND EJB 3.0 1 1 ■ Understanding...

Ngày tải lên: 12/08/2014, 19:21

... schema with custom DDL, for example. Table 7.1 Hibernate and JPA comparison chart for chapter 7 Hibernate Core Java Persistence and EJB 3.0 Hibernate supports key generation for shared primary ... to an intermediate entity class, or with a collection of components. Table 7.1 shows a summary you can use to compare native Hibernate features and Java Persistence. In the ne...

Ngày tải lên: 12/08/2014, 19:21

... rewrite the main application code with JPA. “Hello World” with JPA These are your primary programming interfaces in Java Persistence: ■ javax .persistence. Persistence —A startup class that provides ... org .hibernate. dialect.HSQLDialect hibernate. c3p0.min_size = 5 hibernate. c3p0.max_size = 20 hibernate. c3p0.timeout = 300 hibernate. c3p0.max_statements = 50 hibernate. c3p0....

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... differences between Hibernate and Java Persistence related to concepts discussed in this chapter. Table 3.1 Hibernate and JPA comparison chart for chapter 3 Hibernate Core Java Persistence and EJB ... about the Hibernate map- ping type system, the converters for value types we’ve shown in a few examples. Table 4.2 Hibernate and JPA comparison chart for chapter 4 Hibernate...

Ngày tải lên: 12/08/2014, 19:21

... types with annotations is different compared with mappings in XML; at the time of writing, it isn’t part of the Java Persistence standard but is available in Hibernate. 6.3 Mapping collections with ... right one). Without extending Hibernate, you can choose from the following collections: ■ A java. util.Set is mapped with a <set> element. Initialize the collection...

Ngày tải lên: 12/08/2014, 19:21

... objects with Java Persistence and/or EJB 3.0 components, read on. 9.4 The Java Persistence API We now store and load objects with the Java Persistence API. This is the API you use either in a Java ... instances become detached in a Java Persistence application. JPA persistence context scope You’ve used Java Persistence in a Java SE environment, with applicat...

Ngày tải lên: 12/08/2014, 19:21

... in Hibernate or Java Persistence applications. In this section, we’ll show you how to avoid this and how to execute bulk and batch operations with Hibernate and JPA. 12.2.1 Bulk statements with ... Conversations with JPA 497 11.3 Conversations with JPA We now look at persistence context propagation and conversation implementa- tion with JPA and EJB 3.0. Just as with...

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... are the same. Java Persistence standardizes JPA QL and also allows the fallback to native SQL. 15.2.3 Native SQL in Java Persistence Java Persistence supports native SQL queries with the createNativeQuery() method ... native Hibernate features and Java Persistence. In the next chapter, we’ll bring all the pieces together and focus on the design and architecture of appl...

Ngày tải lên: 12/08/2014, 19:21

... a module of Hibernate Annotations. You can use Hibernate Validator even without Hibernate and Seam, with only hibernate3 .jar and hibernate- annotations.jar on your classpath, in any Java application. ... message. ■ Hibernate In native Hibernate, you can register Hibernate Validator events that hook into the internal processing of Hibernate persistence operations. With...

Ngày tải lên: 12/08/2014, 19:21