SkiSchool-ejb/src/java/org/cvut/skischool/beans/LessonManagementLocal.java

   1 package org.cvut.skischool.beans;
   2
   3 import java.util.Date;
   4 import java.util.List;
   5 import javax.ejb.Local;
   6 import org.cvut.skischool.model.Instructor;
   7 import org.cvut.skischool.model.Lesson;
   8 import org.cvut.skischool.model.Student;
   9
  10 /**
  11  *
  12  * @author matej
  13  */
  14 @Local
  15 public interface LessonManagementLocal {
  16
  17     void createLesson(Lesson lesson);
  18
  19     void updateLesson(Lesson lesson);
  20
  21     void deleteLesson(Lesson lesson);
  22
  23     Lesson getLesson(Long id);
  24
  25     /**
  26      * Check lesson whether all instructors are available during the specified
  27      * lesson.
  28      *
  29      * @param lesson Lesson to check
  30      * @return instructors who are not available during specified time
  31      */
  32     List<Instructor> checkLessonAvailability(Date startTime, Date endTime, List<Instructor> instructors);
  33
  34     /**
  35      * Check lesson whether all instructors have any other reserved lessons
  36      * conflicting with the specified lesson.
  37      *
  38      * @param lesson Lesson to check
  39      * @return conflicting lessons
  40      */
  41     List<Lesson> checkLessonReservations(Date startTime, Date endTime, List<Instructor> instructors);
  42
  43     List<Lesson> getAllLessons();
  44
  45     List<Lesson> getLessonsByDate(Instructor instructor, Date date);
  46
  47     List<Lesson> getAllLessonsByType(String type);
  48
  49     List<Lesson> getLessonsByInstructorAndInterval(Instructor instructor, Date startDate, Date endDate);
  50
  51     long countLessonsLangBonus(Instructor instructor, Date startDate, Date endDate);
  52
  53     List<Lesson> countLessons(Instructor instructor, Date startDate, Date endDate, String type);
  54
  55     List<Lesson> getLessonsByStudentAndInterval(Student student, Date startDate, Date endDate);
  56 }