@Test
public void test1() throws Exception {
Student denise = studentHome.create("823", "Denise Smith");
Course power = courseHome.create("220", "Power J2EE Programming");
Enroller enroller = enrollerHome.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 = courseHome.findByPrimaryKey(courseId);
System.out.println(courseId + " " + course.getName());
}
System.out.println();
Course intro = courseHome.findByPrimaryKey("777");
System.out.println(intro.getName() + ":");
courses = intro.getStudentIds();
i = courses.iterator();
while (i.hasNext()) {
String studentId = (String) i.next();
Student student = studentHome.findByPrimaryKey(studentId);
System.out.println(studentId + " " + student.getName());
}
}
public void addEdge(Course source, Course target) {
if (this.edges.containsKey(source.getName())) {
this.edges.get(source.getName()).put(target.getName(), target);
} else {
this.edges.put(source.getName(), new HashMap<String, Course>());
this.edges.get(source.getName()).put(target.getName(), target);
}
}
public void addNode(Course course) {
if (!this.nodes.containsKey(course.getName())) {
this.nodes.put(course.getName(), course);
}
}