EJB 3.0 持久性 API

package oracle.ejb30; import javax.naming.Context; import javax.naming.InitialContext; public class EmployeeClient { public static void main(String[] args) { try { Context context = new InitialContext(); EmployeeFacade ef = (EmployeeFacade) context .lookup("java:comp/env/ejb/EmployeeFacade"); int empNo = 0; String name = null; Double sal = null; try { empNo = Integer.parseInt(args[0]); name = args[1]; sal = Double.parseDouble(args[2]); } catch (Exception e) { System.err.println("Correct arguments not received, exiting"); System.exit(0); } ef.addEmployee(empNo, name, sal); System.out.println("Employee with empNo:" + empNo + " created"); System.out.println("Find the employee using Entity Manager API"); Employee emp2 = ef.findEmployeeByEmpNo(empNo); // Dump the Bean out System.out.println(emp2); } catch (Throwable ex) { ex.printStackTrace(); } } }