Hibernate过滤器

CREATE TABLE FLIGHT_DB (  ID INTEGER UNSIGNED NOT NULL,  FLIGHT_NO VARCHAR(10)NOT NULL,  SOURCE VARCHAR(15) NOT NULL,  DESTINATION VARCHAR(15) NOT NULL,  STATUS VARCHAR(20) NOT NULL,  PRIMARY KEY (ID));

<?xml version="1.0"?><!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping package="data">  <class name="Flight" table="hibernate_filter_demo.flight_db"><id name="id" type = "int" column="id"><generator class = "increment"/></id><property name="flightNo" type="string" length="10" column="flight_No"/><property name="source" type="string" length="15" column="source"/><property name="destination" type="string" length="15" column="destination"/>  <property name="status" type="string" length="20" column="status"/><filter name="statusFilter" condition=":statusParam=status"/>  </class>  <filter-def name="statusFilter"><filter-param name="statusParam" type="string"/></filter-def>  </hibernate-mapping>

package filter;import java.util.Iterator;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.Query;import org.hibernate.Filter;import util.HibernateUtil;import data.Flight;/** * Hibernate Filter Demo *  * @author ashutosh_sharma03 *  */public class HibernateFilterDemo{public static void main(String argsp[]){//First obtain the sessionFactory handle and then open the sessionSessionFactory factory = HibernateUtil.getSessionFactory();Session session = factory.openSession(); //create the data ready for applicationinsertData("DL6149", "RIC", "JFK", "ontime",session);insertData("CO1948", "EWR", "PHX", "delayed",session);insertData("AI0101","JFK","DEL","delayed",session);insertData("US1987","LAX","SFO","ontime",session);insertData("NW3482","JFK","ATL","cancelled",session);insertData("9W5432","JFK","BOM","ontime",session);insertData("AI0102","JFK","DEL","ontime",session);// you can comment out insert statements above once the data has been setup.//show the entire dataSystem.out.println("Showing all the flights");showData(session);//First enable the filter on the session//Filter filter = session.enableFilter("statusFilter");// show delayed flights//filter.setParameter("statusParam", "delayed");//System.out.println("Showing all the delayed flights");//showData(session);//show flights ontime//filter.setParameter("statusParam", "ontime");//System.out.println("Showing all the flights ontime");//showData(session);//show cancelled flights.//System.out.println("Showing all the cancelled flights");//filter.setParameter("statusParam", "cancelled");//showData(session);//disabling the filter will show all the flights once again//session.disableFilter("statusFilter");//showData(session);//finally close the session as we are donesession.close();}public static void insertData(String flightNo, String source,String destination, String status, Session session){session.beginTransaction();Flight flight = new Flight();flight.setFlightNo(flightNo);flight.setSource(source);flight.setDestination(destination);flight.setStatus(status);session.save(flight);session.getTransaction().commit();}public static void showData(Session session){session.beginTransaction();Query query = session.createQuery("from Flight");System.out.println("Flight"+"\tSource"+"\tDestn"+"\tStatus");Iterator <Query> iter = query.iterate();while (iter.hasNext()){Flight flight = (Flight) iter.next();System.out.print(flight.getFlightNo() + "\t"+ flight.getSource() + "\t" + flight.getDestination());if (flight.getStatus().equalsIgnoreCase("ontime")){System.out.print("\t" + flight.getStatus());}if (flight.getStatus().equalsIgnoreCase("delayed")){System.out.print("\t" + flight.getStatus());}if (flight.getStatus().equalsIgnoreCase("cancelled")){System.out.print("\t" + flight.getStatus());}System.out.println();}session.getTransaction().commit();}}

原文：http://java.dzone.com/articles/introduction-hibernate-filters

源代码：http://pan.baidu.com/share/link?shareid=1315133512&uk=3878681452