JAVA開発メモ
 Hibernate のバックアップ差分(No.2)
 

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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

  --fixed erroneous association access when calling saveOrUpdateCopy() (David Wright)
  --fixed JCA handling of the JDBC connection (Attila Lendvai)
  --fixed ordering of selected columns in fetching code (for Oracle)
  --fixed a bug in Criteria.setLockMode()
  --fixed a minor bug where refresh() caused a CGLIB exception if a proxy interface was enabled (George Svarovsky)
  --fixed a minor bug where Interceptor.onLoad() received empty collections after cache lookups (Mark Rohan)
  --fixed a null pointer when setting null parameters without a type
  --fixed result pagination (setFirst/MaxResult) on Oracle 8.1.x (Aeros Lau)
  --fixed generation of LONG/RAW columns on Oracle9 (Brett Lawrence)
  --fixed a minor issue with SchemaExport on latest MySQL versions (Koen Janssens)
  --fixed a minor bug in Ingres dialect (Brad Beck)
  --fixed DBCP configuration property parsing to avoid NullPointerException (Henning Schmiedehausen)
  --fixed subclassing of CollectionPersister (Kelley Stover)
  --fixed automatic ID generation for collection-id generators (Thompson Marzagao)
  --fixed JBoss deployment issues by moving JBoss hibernate-service.xml to etc/ directory
  --fixed documentation example of HibernateUtil class (Christian Bauer)
  --improved serialization of object graphs with javax.beans.XMLEncoder (Alexander Thomas)
  --improved configuration loading for Proxool (use "file:" or classloader resource loading), see HB-1048 (Aleksei Gopachenko)
  --improved QueryCache interface, now pluggable via hibernate.cache.query_cache_factory (Steve Ebersole)
  --improved scroll() query method, now the entire entity is populated from the initial result set (Steve Ebersole)
  --improved XML serialization/deserialization for binary and timestamp types (Stefano Travelli)
  --added support for enabling batching of versioned data (configurable)
  --added cache region property to JMX MBean interface (Arnaud Barbe)
  --added 'distinct' as allowed keyword in metadata declared SQL
  --added setForceCacheRefresh() on Query for fine-grained eviction without individual cache regions (Shamir Karkal)
  --added support for sequences on Informix
  --added support for identity columns on DB2/400 (Andre Oosthuizen)
  --added EhCache provider to Hibernate distribution, use net.sf.hibernate.cache.EhCacheProvider (Emmanuel Bernard)
  --added TransactionManagerLookup for Borland Enterprise Server (Etienne Hardy)
  --added support for index attribute on <property/>, <many-to-one/>, and <any/> elements
  --updated EHCache to version 0.9
  --updated commons libraries with compatibility for commons-collections 3.0
  --updated to JBossCache 1.02 and JGroups 2.2.3, didn't test SwarmCache
  







  

  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 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();
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