administratorfacade.java

SOA

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package com.sysu.dao;

import com.sysu.pojo.Administrator;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

/**
 *
 * @author Levi Wong
 */
@Stateless
public class AdministratorFacade implements AdministratorFacadeRemote {
    @PersistenceContext
    private EntityManager em;

    public void create(Administrator administrator) {
        em.persist(administrator);
    }

    public void edit(Administrator administrator) {
        em.merge(administrator);
    }

    public void remove(Administrator administrator) {
        em.remove(em.merge(administrator));
    }

    public Administrator find(Object id) {
        return em.find(Administrator.class, id);
    }

    public List<Administrator> findAll() {
        return em.createQuery("select object(o) from Administrator as o").getResultList();
    }

}