diff options
Diffstat (limited to 'Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/bid/many_to_many/StudentCourseBidBean.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/bid/many_to_many/StudentCourseBidBean.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/bid/many_to_many/StudentCourseBidBean.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/bid/many_to_many/StudentCourseBidBean.java new file mode 100644 index 0000000..919f9ce --- /dev/null +++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Micah Examples/src/examples/entity/bid/many_to_many/StudentCourseBidBean.java @@ -0,0 +1,53 @@ +package examples.entity.bid.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.bid.many_to_many.interfaces.StudentCourse;
+
+@Stateless
+public class StudentCourseBidBean 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 getAllStudents() {
+ Query q = em.createQuery("SELECT s FROM StudentBid s");
+ return q.getResultList();
+ }
+
+ public List getAllCourses() {
+ Query q = em.createQuery("SELECT c FROM CourseBid c");
+ return q.getResultList();
+ }
+}
|
