/*
*
* Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the proprietary information of Sun Microsystems, Inc.
* Use is subject to license terms.
*
*/
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import java.util.*;
import Enroller;
import EnrollerHome;
public class EnrollerClient {
public static void main(String[] args) {
try {
Context initial = new InitialContext();
Object objref = initial.lookup("java:comp/env/ejb/SimpleStudent");
StudentHome sHome =
(StudentHome)PortableRemoteObject.narrow(objref,
StudentHome.class);
Student denise = sHome.create("823", "Denise Smith");
objref = initial.lookup("java:comp/env/ejb/SimpleCourse");
CourseHome cHome =
(CourseHome)PortableRemoteObject.narrow(objref,
CourseHome.class);
Course power = cHome.create("220", "Power J2EE Programming");
objref = initial.lookup("java:comp/env/ejb/SimpleEnroller");
EnrollerHome eHome =
(EnrollerHome)PortableRemoteObject.narrow(objref,
EnrollerHome.class);
Enroller enroller = eHome.create();
enroller.enroll("823", "220");
enroller.enroll("823", "333");
enroller.enroll("823", "777");
enroller.enroll("456", "777");
enroller.enroll("388", "777");
System.out.println(denise.getName() + ":");
ArrayList courses = denise.getCourseIds();
Iterator i = courses.iterator();
while (i.hasNext()) {
String courseId = (String)i.next();
Course course = cHome.findByPrimaryKey(courseId);
System.out.println(courseId + " " + course.getName());
}
System.out.println();
Course intro = cHome.findByPrimaryKey("777");
System.out.println(intro.getName() + ":");
courses = intro.getStudentIds();
i = courses.iterator();
while (i.hasNext()) {
String studentId = (String)i.next();
Student student = sHome.findByPrimaryKey(studentId);
System.out.println(studentId + " " + student.getName());
}
System.exit(0);
} catch (Exception ex) {
System.err.println("Caught an unexpected exception!");
ex.printStackTrace();
}
}
}