?? travelagentbean.java
字號(hào):
package com.titan.travelagent;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import com.titan.domain.Customer;
import com.titan.domain.CustomerPK;
@Stateless
public class TravelAgentBean implements TravelAgentRemote
{
@PersistenceContext(unitName="titan") private EntityManager manager;
public void createCustomer(Customer cust)
{
manager.persist(cust);
}
public Customer findCustomer(String lastName, long ssn)
{
CustomerPK pk = new CustomerPK(lastName, ssn);
return manager.find(Customer.class, pk);
}
}
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