JAVA開発メモ
Hibernate のバックアップの現在との差分(No.1)
 

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  *NEWS

  --improved Session serialization support by adding ability to serialize unflushed sessions (Steve Ebersole)
  --fixed Session.clear functionality to clear the internal nonExists cache (Steve Ebersole)
  --added "dynamic instantiation" (i.e., select new foo() ...) support to ScrollableResultsImpl and IteratorImpl (Steve Ebersole)
  --added support for multi-parameter SQL functions (Steve Ebersole)
  --fixed hbm2ddl generating infinite indexes on MySQL (Michael Gloegl)
  --fixed alias precedence in HQL queries, function names are second (Steve Ebersole)
  --added "transactional" as allowed cache concurrency strategy in XML configuration file
  --improved System.getProperties() with security exception warning in secure environments
  --improved Proxool integration, better property handling
  --fixed problem with use of getDefinedMethod() in secure environments (Ken Arnold)
  --fixed bug in createSQLQuery() which prohibited multiple aliases for the same entity (Max Andersen)
  --fixed query cache misses when using named bind parameters (Michael Greer)
  --recognize "left" and "right as keywords in SQL fragments
  --recognize SQL quoted identifiers in SQL fragments
  --improved identity handling on SQL Server by using scope_identity() for update counts (Arthur Fitt)
  --added DB2390Dialect for DB2/390 databases (Kristoffer Dyrkorn)
  --fixed a bug in toArray() of identifier bag collections (Khachchou Mohammed)
  --fixed a problem with DDL generation for serial columns in Informix
  --fixed a problem with DDL generation for timestamp columns in Informix (Michael Schmidt)
  --fixed a NPE that occurred calling saveOrUpdateCopy() for components
  --fixed a bug with replicate() and uninitialized collections
  --fixed a bug caching one-to-one associations
  --fixed eviction from named query cache regions
  #amazonkey2(hibernate)
  







  

  DB2,FrontBase,HSQLDB,informix,interbase,MS SQL server,MySQL, Oracle,Pointbase,PostgreSQL,Sybase etc.
  




  




  -[[Working with Hibernate in Eclipse:http://www.onjava.com/pub/a/onjava/2004/06/23/hibernate.html]]
  







  

   package test;
   import java.util.List;
   import java.util.Properties;
   import net.sf.hibernate.Hibernate;
   import net.sf.hibernate.HibernateException;
   import net.sf.hibernate.Session;
   import net.sf.hibernate.Transaction;
   import net.sf.hibernate.cfg.Configuration;
   import net.sf.hibernate.expression.Expression;
  
   public class SampleMain {
  
       public static void main(String[] args) {
           Configuration cfg = null;
           Session session = null;
           Transaction transaction = null;
           Properties props = new Properties();
  
           try {
               cfg = new Configuration().addClass(Person.class).addProperties(props);
               session = cfg.buildSessionFactory().openSession();
               //session.setFlushMode(FlushMode.COMMIT);
               transaction = session.beginTransaction();
  
               Person person = new Person();

  

               Long id = (Long) session.save(person);
  

               Person load = (Person) session.load(Person.class, id);
               System.out.println(load);
  


               session.update(person);
  
  

               List list2 =
               List list = session.find("from Person where id=?", id, Hibernate.LONG);
               System.out.println(list);

               List list2 =
                   session.createCriteria(Person.class).add(Expression.eq("id", id)).list();
               System.out.println(list2);
  

               session.delete(person);
  

               list = session.find("from Person");
               System.out.println(list);
  

               transaction.commit();
  
           } catch (Exception e) {
               try {
                   if (transaction != null)
                       transaction.rollback();
               } catch (Exception e1) {
                   e1.printStackTrace();
               }
               e.printStackTrace();
           } finally {
               try {
                   if (session != null && session.isOpen())
                       session.close();
               } catch (HibernateException e1) {
                   e1.printStackTrace();
               }
           }
  
       }
   }

   <?xml version="1.0" encoding="UTF-8"?>
   <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
    "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">
   <hibernate-mapping>
     <class name="test.Person" table="PERSON">
       <id name="id" column="ID" type="long">
         <generator class="native"/>
       </id>
       <property name="name" column="NAME" type="string" length="20" not-null="true"/>
     </class>
   </hibernate-mapping>
  



   Person load = (Person) session.load(Person.class, id, LockMode.UPGRADE);
  
   List list2 = session.createCriteria(Person.class)
                       .add(Expression.eq("id", id))
                       .setLockMode(LockMode.UPGRADE)
                       .list();
  
  ~
  #amazonkey2(JAVA DB)

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