JAVA開発メモ
Hibernate のバックアップの現在との差分(No.8)
 

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  *NEWS

  --added LockAcquisitionErrorCodes to MySQL dialect (Jesse Barnum, Emmanuel Bernard)
  --added MultipleHiLoPerTableGenerator, one hi value per row/per table (compliant with EJB3)
  --added a generator handling multiple hi values per table (Emmanuel Bernard)
  --added events for pre/post SQL operation interception
  --added experimental support for JACC-aware configuration and events
  --added full support for implicit polymorphism in Criteria queries
  --added support annotated classes through XML configuration (Emmanuel Bernard)
  --added support for WebSphere's weird TxManagerLookup
  --added support for filters with dynamic-class mappings
  --added support for lists of parameters in filters
  --added support for scalar queries in createSQLQuery (Michael Gloegl)
  --added support for scalar results in native SQL queries (Michael Gloegl)
  --fixed SchemaExport/SchemaUpdate, now respect default_schema and default_catalog (Michael Gloegl)
  --fixed a bug in one-to-one mapping with property-ref
  --fixed a bug in the query cache lookup routine
  --fixed compilation problems on IBM JDK 1.4. and JDK 1.3.1
  --fixed custom SQL for loading when using composite identifiers
  --fixed exception thrown from optimistic locking failures
  --fixed support for limit queries (select first ?) in Informix
  --improved SchemaExport/Update, now respect default_schema and default_catalog
  --improved dialect handling, throw an exception if no dialect has been set
  --improved loading of mappings, no ordering of super/subclasses required anymore
  --improved statistics for second-level cache
  --improved table generators for hi/lo, can now be used in a JTA environment (Emmanuel Bernard)
  --query engine: added support for 'trim([leading | trailing | both] [expression from] expression)'
  --query engine: added support for DISTINCT and ALL
  --query engine: added support for FETCH
  --query engine: added support for HAVING count()
  --query engine: added support for HQL NOT IN and EJBQL '[NOT] MEMBER OF'
  --query engine: added support for ORDER BY COUNT(*)
  --query engine: added support for collections of scalar values
  --query engine: added support for literals in constructor select expressions.
  --query engine: added support for select elements(..) from Foo f
  --query engine: added support for template functions in the SELECT clause
  --query engine: fixed NOT LIKE
  --query engine: introduced EMPTY and added it to constant (support for IS [NOT] EMPTY)
  --updated dom4j, OSCache, EHCache, JBoss Cache, Xerces, Xalan, and Log4j
  #amazonkey2(hibernate)

  --added a typed exception hierarchy and SQLException converter functionality to the dialects (Steve Ebersole)
  --added support for Ant project properties in SchemaExportTask if no config/properties are given (Tim McCune)
  --added full support for components in createNativeSQLQuery
  --added support for SQL numeric literals als column names
  --added support for "select-before-update" for subclass-mappings
  --added support for HOLDLOCK on Sybase
  --improved handling of long strings (now uses LONG instead of VARCHAR2) on Oracle8 (Harry Schittler)
  --improved scalar/projection results, deterministic placement of entities in an Object[] result
  --improved setNamingStrategy(), now retuns a Configuration
  --improved the unit tests
  --improved SchemaUpdate to work around a MySQL metadata bug (Christian Aust)
  --improved the Session to throw an exception if a transient object is passed to lock() (Ted Stockwell)
  --improve constraint handling for MySQL with SchemaExport/hbm2ddl (Bill Nelson)
  --improved Sybase handling, don't fail if columns are duplicated (Jean-Philippe Picou)
  --improved support for SunONE application server
  --fixed bug in IncrementGenerator, now using quoted table names (Christian Harms)
  --fixed transaction handling in TableGenerator (Firebird issue) (Drew Davidson)
  --fixed auto-commit mode for SchemaUpdate
  --fixed problems with SchemaUpdate and uppercase catalog entries in some DBMS
  --fixed various minor problems with SchemaUpdate
  --fixed SchemaExportTask, primary key generation for inverse tables (Irfan Mohammed)
  --fixed createSQLQuery() to return proper sequenced types when returning multiple entities
  --fixed createSQLQuery() to now fully supports components
  --fixed cancelLastQuery(), might have canceled pooled statements before (Armin Haaf)
  --fixed incorrect SQL for Expression.in() of Criteria (Jason Boutwell)
  --fixed a redundant select problem when using the Criteria API and eager fetching (Ohkawa Tomohisa)
  --fixed optimistic-lock=dirty strategy for optimistic locking
  --fixed mapping defaults, "package" now also works for "extends" class names (Andreas Winter)
  --fixed TimestampType.equals on JDK 1.4
  --fixed misspelling of configuration property for UUIDGenerator
  --fixed a limit query problem with DB2 dialect (Chris Nelson)
  --fixed BES transaction manager lookup
  --fixed parsing of LocaleType properties
  --fixed the cleanup routine of JBoss Cache (query cache issue), updated JBossCache to new version
  --fixed defaults for jTDS in hibernate.properties
  --fixed problems handling AS and product in SQL formula FROM clause
  







  

  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);
               List list2 =
               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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