Java Persistence with Hibernate phần 3 pot

... convenience, table 3. 1 summarizes the 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 ... discussed in chapter 3, section 3. 3.4, “Handling global metadata.” You can set a naming strategy implementation in Java Persistence in your per- sistence.xml fi...

Ngày tải lên: 12/08/2014, 19:21

... org .hibernate. dialect.HSQLDialect hibernate. c3p0.min_size = 5 hibernate. c3p0.max_size = 20 hibernate. c3p0.timeout = 30 0 hibernate. c3p0.max_statements = 50 hibernate. c3p0.idle_test_period = 30 00 hibernate. show_sql = true hibernate. format_sql ... rewrite the main application code with JPA. “Hello World” with JPA These are your primary programming interfaces in Java...

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 collecti...

Ngày tải lên: 12/08/2014, 19:21

... the Java Persistence standard. So, in addition to the new all-in-one Hibernate for every purpose, you can now use Hibernate like any Java Persistence provider, with or without other EJB 3. 0 components ... methods 120 3. 3 Object/relational mapping metadata 1 23 Metadata in XML 1 23 ■ Annotation-based metadata 125 Using XDoclet 131 ■ Handling global metadata 133 Manipul...

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 ... associations 31 7 Review our discussion of table per concrete class with union in chapter 5, section 5.1.2, “Table per concrete class with unions.” Pay extra attention to the p...

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 applic...

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... 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 native Hibernate, you ... 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....

Ngày tải lên: 12/08/2014, 19:21

... previous sections, with a unit of work-scoped first-level and an optional second-level process or clus- ter scope cache. This is close to the Hibernate caching system. 13. 3.2 The Hibernate cache ... 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 insta...

Ngày tải lên: 12/08/2014, 19:21

... 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 ... Persistence, and EJB 3. 0 components. We’ll also unit test a Hibernate application. Table 15.1 Hibernate and JPA comparison chart for chapter 15 Hib...

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