manning Hibernate in Action phần 5 pps
manning Hibernate in Action phần 5 pps
... Working with persistent objects 4.4.6 Selecting a fetching strategy in mappings Hibernate lets you select default association fetching strategies by specifying attributes in the mapping metadata. ... you’re optimizing the default fetching strategies in your application. A wrinkle in Hibernate s mapping format means that collection mappings func- tion slightly differently than...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 2 ppsx
... <jose.romero@galicia.seresco.es> integrating Hibernate Introducing and This chapter covers ■ Hibernate in action with “Hello World” ■ The Hibernate core programming interfaces ■ Integration with managed ... when you begin using Hibernate. Section 2.3 covers the problem of configuring Hibernate in some detail. Transaction interface The Transaction interface is...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 1 docx
... Summary 152 5 Transactions, concurrency, and caching 154 5. 1 Transactions, concurrency, and caching 154 5. 2 Understanding database transactions 156 JDBC and JTA transactions 157 ■ The Hibernate ... ■ Using aliases 251 ■ Polymorphic queries 251 ■ Restriction 252 ■ Comparison operators 253 String matching 255 ■ Logical operators 256 ■ Ordering query results 257 7.3...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 3 pot
... elements in our mapping files. This approach is time-consuming and easily forgotten. Instead, we can implement Hibernate s NamingStrategy interface, as in listing 3 .5 Listing 3 .5 NamingStrategy ... <jose.romero@galicia.seresco.es> 54 CHAPTER 2 Introducing and integrating Hibernate Here is an example Hibernate configuration that binds the SessionFactory to the n...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 4 potx
... available in the package net.sf .hibernate. mapping . Keep in mind that adding a property to an existing persistent class mapping as shown here is easy, but programmatically creating a new mapping ... the distinction between entities and value types in Hibernate. These concepts are required for fine-grained object modeling. 3 .5 Fine-grained object models A major objective of the...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 6 potx
... achieved using shared read locks and exclusive write locks. Reading transactions block writing transactions (but not other reading transactions), and writing transactions block all other transactions. ... the job of the Hibernate mapping types, and string is the name of a built -in Hiber- nate mapping type. The string mapping type isn’t the only one built into Hibernate; Hibernat...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 7 pptx
... public static final Rating EXCELLENT = new Rating("Excellent"); public static final Rating OK = new Rating("OK"); public static final Rating LOW = new Rating("Low"); ... static final Map INSTANCES = new HashMap(); static { INSTANCES.put(EXCELLENT.toString(), EXCELLENT); INSTANCES.put(OK.toString(), OK); INSTANCES.put(LOW.toString(), LOW); } private...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 8 docx
... expressing (inner and outer) joins: ■ An ordinary join in the from clause ■ A fetch join in the from clause ■ A theta-style join in the where clause ■ An implicit association join Later, ... <jose.romero@galicia.seresco.es> 258 CHAPTER 7 Retrieving objects efficiently 7.3 Joining associations You use a join to combine data in two (or more) relations. For examp...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 9 doc
... <jose.romero@galicia.seresco.es> 346 CHAPTER 8 Writing Hibernate applications It’s illegal to invoke the original Hibernate Session from an Interceptor call- back. The session is in a fragile state during interceptor calls. ... try { chain.doFilter(request, response); // Commit any pending database transaction. HibernateUtil.commitTransaction(); } finally { // Disconne...
Ngày tải lên: 06/08/2014, 02:20
manning Hibernate in Action phần 10 pdf
... FlushMode 160 using long sessions 3 25 326 joining 258 –261 IdentifierGenerator 41 ways to implement in Hiber- lazy fetching 301, 386 Interceptor 158 , 343–347 nate applications 320 link tables ... persistent state 1 15 aliases 251 , 262 demarcating beginning scalability 161 AndroMDA 349 of 327 servlet-based 311 ANSI SQL description 156 web 120 joins 380 ensuring clean...
Ngày tải lên: 06/08/2014, 02:20