在groovy中如何使用Hibernate

概述在groovy中如何使用Hibernate

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package demoimport javax.persistence.*import org.hibernate.cfg.*// javax.transaction jta.jar added manually to ivy repo@Grapes([    @Grab(group='org.hibernate',module='hibernate-annotations',version='3.4.0.GA'),@Grab(group='org.slf4j',module='slf4j-simple',version='1.4.2'),@Grab(group='hsqldb',module='hsqldb',version='1.8.0.7'),@Grab(group='javassist',module='javassist',version='3.4.GA'),])@Entity class Book {    @ID @GeneratedValue(strategy = GenerationType.auto)    public Long ID    public String author    public 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": "true","hibernate.transaction.factory_class": "org.hibernate.transaction.JDBCTransactionFactory","hibernate.current_session_context_class": "thread"]def configureHibernate(props) {    def config = new AnnotationConfiguration()    props.each { k,v -> config.setProperty(k,v) }    config.addAnnotatedClass(Book)    return config}def factory = configureHibernate(hibProps).buildSessionFactory()// store some booksdef session = factory.currentSessiondef tx = session.beginTransaction()session.save(new Book(author:'DIErk et al',Title:'Groovy in Action'))session.save(new Book(author:'Craig',Title:'Spring in Action'))tx.commit()// find some bookssession = factory.currentSessiontx = session.beginTransaction()def books = session.createquery("from Book").List()println 'Found ' + books.size() + ' books:'books.each { println it }tx.commit()

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