public class Woman extends Person { private boolean isbeautiful;
public void setIsbeautiful(boolean isbeautiful) { this.isbeautiful = isbeautiful; }
public boolean isIsbeautiful() { return isbeautiful; }
}
EntityTest.java
package com.kuaff.ejb3.singleinheritance;
import javax.ejb.Remote; import java.util.List;
@Remote
public interface PersonDAO { public int createMan(String name,String gender,boolean b); public int createWoman(String name,String gender,boolean b); public Person find(int i); public List findByName(String name); public List findByInfo(String gender); }
public class PersonDAOBean implements PersonDAO { @Inject private EntityManager manager;
public int createMan(String name,String gender,boolean b) { Man man = new Man(); man.setName(name); man.setGender(gender); man.setGood(b); manager.create(man); return man.getId(); }
public int createWoman(String name, String gender,boolean b) { Woman woman = new Woman(); woman.setName(name); woman.setGender(gender); woman.setIsbeautiful(b); manager.create(woman); return woman.getId(); }
public Person find(int i) { return manager.find(Person.class,i); }
public List findByName(String name) { return manager.createQuery("from Person p where p.name =:name").setParameter("name", name).listResults(); }
public List findByInfo(String gender) { return manager.createQuery("from Person p where p.gender =:gender").setParameter("gender", gender).listResults(); }
public class Client { public static void main(String[] args) throws NamingException { InitialContext ctx = new InitialContext(); PersonDAO dao = (PersonDAO) ctx.lookup(PersonDAO.class.getName()); int i = dao.createMan("晁岳攀","男",true); dao.createWoman("朱立煥","女",true); Person p = dao.find(i); System.out.printf("%s的性別：%s%n",p.getName(),p.getGender()); List list = dao.findByName("朱立煥");
for (Object o:list) { Woman w = (Woman)o; System.out.printf("%s漂亮嗎？結論:%b%n",w.getName(),w.isIsbeautiful()); } }
}
這個客戶端用來測試。
請運行{$JBOSS_HOME}/bin目錄下的run.bat: run –c all,啟動JBOSS。
