在groovy中如何使用Hibernate

发布时间：2020-12-14 16:49:12 所属栏目：大数据来源：网络整理

导读：标签： Hibernate [1]. [代码] ?groovy代码?跳至?[1]?[2] ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 package demo ? imp

标签： Hibernate

[1].[代码]?groovy代码?跳至?[1]?[2]

 
    ? 
   

 
       
         package 
          demo 
        

          ? 
        
import 
          javax.persistence.* 
        
 org.hibernate.cfg.* 
        

          ? 
        
 
         // javax.transaction jta.jar added manually to ivy repo 
        
 
         @Grapes([ 
        
 
         ???? 
         @Grab(group= 
         'org.hibernate' 
         ,module= 
         'hibernate-annotations' 
         '3.4.0.GA' 
         ), 
        
'org.slf4j' 
         'slf4j-simple' 
         '1.4.2' 
         'hsqldb' 
         '1.8.0.7' 
         'javassist' 
         '3.4.GA' 
         ]) 
        
@Entity  
         class 
          Book { 
        
@Id @GeneratedValue(strategy = GenerationType.AUTO) 
        
???? 
         public 
          Long id 
        
 String author 
        
 String title 
        
String toString() {  
         "$title by $author" 
          } 
        
} 
        

          ? 
        
def 
          hibProps = [ 
        
???? 
         "hibernate.dialect" 
         :  
         "org.hibernate.dialect.HSQLDialect" 
         "hibernate.connection.driver_class" 
         "org.hsqldb.jdbcDriver" 
         "hibernate.connection.url" 
         "jdbc:hsqldb:mem:demodb" 
         "hibernate.connection.username" 
         "sa" 
         "hibernate.connection.password" 
         "" 
         "hibernate.connection.pool_size" 
         "1" 
         "hibernate.connection.autocommit" 
         "true" 
         "hibernate.cache.provider_class" 
         "org.hibernate.cache.NoCacheProvider" 
         "hibernate.hbm2ddl.auto" 
         "create-drop" 
         "hibernate.show_sql" 
         "hibernate.transaction.factory_class" 
         "org.hibernate.transaction.JDBCTransactionFactory" 
         "hibernate.current_session_context_class" 
         "thread" 
        
] 
        

          ? 
        
 configureHibernate(props) { 
        
 config =  
         new 
          AnnotationConfiguration() 
        
props. 
         each 
          { k,v -> config.setProperty(k,v) } 
        
config.addAnnotatedClass(Book) 
        
return 
          config 
        
} 
        

          ? 
        
 factory = configureHibernate(hibProps).buildSessionFactory() 
        

          ? 
        
// store some books 
        
 session = factory.currentSession 
        
 tx = session.beginTransaction() 
        
session.save( 
          Book(author: 
         'Dierk et al' 
         'Groovy in Action' 
         )) 
        
'Craig' 
         'Spring in Action' 
         )) 
        
tx.commit() 
        

          ? 
        
// find some books 
        
session = factory.currentSession 
        
tx = session.beginTransaction() 
        
 books = session.createQuery( 
         "from Book" 
         ).list() 
        
 
         println 
          'Found ' 
          + books. 
         size 
         () +  
         ' books:' 
        
books. 
          {  
         println 
          it } 
        
tx.commit() 
        
 
     

[2].[代码]?groovy代码?跳至?[1]?[2]

Book {

@Id @GeneratedValue(strategy = GenerationType.AUTO)

Long id

@OneToOne

Author author

String title

"$title by $author.name" }

}

?

Author {

@Id @GeneratedValue(strategy = GenerationType.AUTO)

Long id

String name

}

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