package ejava.examples.ejbwar.customer.ejb;
   
   import java.util.List;
   
   import javax.ejb.Stateless;
   import javax.inject.Inject;
   
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
  
  import ejava.examples.ejbwar.customer.bo.Customer;
  import ejava.examples.ejbwar.customer.bo.Customers;
  import ejava.examples.ejbwar.customer.dao.CustomerDAO;
  
  @Stateless
  public class CustomerMgmtEJB implements CustomerMgmtLocal, CustomerMgmtRemote {
  	private static final Logger log = LoggerFactory.getLogger(CustomerMgmtEJB.class);
  	
  	@Inject
  	private CustomerDAO dao;
  	
  	@Override
  	public Customer addCustomer(Customer customer) {
  		log.debug("addCustomer({})", customer);
  		dao.createCustomer(customer);
  		return customer;
  	}
  
  	@Override
  	public Customers findCustomersByName(String firstName, String lastName,
  			int offset, int limit) {
  		log.debug("findCustomerByName({}, {}, {}, {})", 
  				firstName, lastName, offset, limit);
  		List<Customer> customers = dao.findCustomerByName(firstName, lastName, offset, limit);
  		for (Customer c: customers) {
  			//hydrate each instance
  			c.toString();
  		}
  		return new Customers(customers, offset, limit);
  	}
  	
  	@Override
  	public Customer getCustomer(int id) {
  		log.debug("getCustomer({})", id);
  		return dao.getCustomer(id);
  	}
  
  	@Override
  	public void deleteCustomer(int id) {
  		log.debug("deleteCustomer({})", id);
  		Customer customer = dao.getCustomer(id);
  		if (customer != null) {
  			dao.deleteCustomer(customer);
  		}
  	}
  
  }