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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/uni/many_to_many/StudentCourseUniBean.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/uni/many_to_many/StudentCourseUniBean.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/uni/many_to_many/StudentCourseUniBean.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/uni/many_to_many/StudentCourseUniBean.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/uni/many_to_many/StudentCourseUniBean.java new file mode 100644 index 0000000..653133b --- /dev/null +++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/uni/many_to_many/StudentCourseUniBean.java @@ -0,0 +1,48 @@ +package examples.entity.uni.many_to_many;
+
+import java.util.List;
+
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.persistence.Query;
+
+import examples.entity.uni.many_to_many.interfaces.StudentCourse;
+
+@Stateless
+public class StudentCourseUniBean implements StudentCourse {
+ @PersistenceContext
+ EntityManager em;
+
+ public void doSomeStuff() {
+ Course c1 = new Course();
+ c1.setCourseName("EJB 3.0 101");
+
+ Course c2 = new Course();
+ c2.setCourseName("EJB 3.0 202");
+
+ Student s1 = new Student();
+ s1.setName("Micah");
+
+ s1.getCourses().add(c1);
+
+ c1.getStudents().add(s1);
+
+ Student s2 = new Student();
+ s2.setName("Tes");
+
+ s2.getCourses().add(c1);
+ s2.getCourses().add(c2);
+
+ c1.getStudents().add(s2);
+ c2.getStudents().add(s2);
+
+ em.persist(s1);
+ em.persist(s2);
+ }
+
+ public List<Student> getAllStudents() {
+ Query q = em.createQuery("SELECT s FROM StudentUni s");
+ return q.getResultList();
+ }
+}
|