customermgmtbean.java

来自「ejb学习资料」· Java 代码 · 共 25 行

package service;

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

import entity.Customer;
import entity.CustomerPK;

@Stateless(name="CustomerMgmtBean2")
public class CustomerMgmtBean implements CustomerMgmtBeanRemote {
	@PersistenceContext
	private EntityManager em;
	public Customer find(CustomerPK cpk) {
		// TODO Auto-generated method stub
		return em.find(Customer.class, cpk);
	}

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