customermgmtbean.java

来自「ejb学习资料」· Java 代码 · 共 38 行

package service;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import entity.Address;
import entity.Customer;

@Stateless(name="CustomerMgmtBean4")
public class CustomerMgmtBean implements CustomerMgmtBeanRemote {
	@PersistenceContext
	private EntityManager em;
	public Customer find(String name) {
		// TODO Auto-generated method stub
		return (Customer) em.createQuery("from Customer c where c.name=:name")
		.setParameter("name", name).getSingleResult();
	}

	public void save(Customer c) {
		// TODO Auto-generated method stub
		em.persist(c);
	}

	public void save(String name, String street, String city) {
		// TODO Auto-generated method stub
		Customer c = new Customer();
		c.setName(name);
		Address a = new Address();
		a.setCity(city);
		a.setStreet(street);
		c.setAddr(a);
		em.persist(c);
		
	}

}