adding more ideas

Author: Hattinger04

src/main/java/io/github/Hattinger04/course/Course.java

@@ -1,24 +1,39 @@
 package io.github.Hattinger04.course;
 
-import java.util.List;
+import java.util.Set;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
 
 import io.github.Hattinger04.user.model.User;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
 
+//@Entity
+//@Table(name = "course")
+@AllArgsConstructor
 public class Course {
 
+//	@Id
+//	@GeneratedValue(strategy = GenerationType.IDENTITY)
+//	@Column(name = "user_id")
 	@Getter @Setter
-	private int id; // TODO: unique 
+	private int id; // TODO: primary_key
 
 	@Getter @Setter
 	private String name;  // TODO: unique
 
 	@Getter @Setter
-	private List<User> teacher; // in case of multiple teacher in one group
+	private Set<User> teacher; // in case of multiple teacher in one group
 
 	@Getter @Setter
-	private List<User> students; 
+	private Set<User> students; 
 
 	public Course(String name) {
 		this.name = name; 

src/main/java/io/github/Hattinger04/course/Exercise.java

@@ -1,12 +1,19 @@
 package io.github.Hattinger04.course;
 
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
 
+//@Entity
+//@Table(name = "exercise")
+@AllArgsConstructor
 public class Exercise {
 
 	@Getter @Setter
-	private int id; // TODO: unique
+	private int id; // TODO: primary_key
 
 	@Getter @Setter
 	private String name; // TODO: unique 
@@ -19,5 +26,14 @@ public void setText(String text) {
 		// TODO: if already published: publish changes to all students
 	}
 
-	// does exercise refer to student or course? 
+	@Getter @Setter
+	private int course_id; 
+	
+	@Getter @Setter
+	private int teacher_id; 
+	
+	@Getter @Setter
+	private int student_id; 
+	
+	
 }

src/main/java/io/github/Hattinger04/course/Student.java

@@ -0,0 +1,22 @@
+package io.github.Hattinger04.course;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+//@Entity
+//@Table(name = "student")
+@AllArgsConstructor
+public class Student {
+
+	@Getter @Setter
+	private int id; // TODO: primary_key
+	
+	@Getter @Setter
+	private String name; // TODO: unique
+	
+}

src/main/java/io/github/Hattinger04/course/Teacher.java

@@ -0,0 +1,22 @@
+package io.github.Hattinger04.course;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+//@Entity
+//@Table(name = "teacher")
+@AllArgsConstructor
+public class Teacher {
+	
+	@Getter @Setter
+	private int id; // TODO: primary_key
+	
+	@Getter @Setter
+	private String name; // TODO: unique
+	
+}

src/main/java/io/github/Hattinger04/user/model/User.java

@@ -16,6 +16,7 @@
 
 import org.hibernate.validator.constraints.Length;
 
+import io.github.Hattinger04.course.Course;
 import io.github.Hattinger04.role.Role;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
@@ -50,5 +51,11 @@ public class User {
 	@JoinTable(name = "user_role", joinColumns = @JoinColumn(name = "user_id"), inverseJoinColumns = @JoinColumn(name = "role_id"))
 	private Set<Role> roles;
 
-
+/*
+	Not tested!
+	Connection between course and user (n - m solution)
+	@ManyToMany(cascade = CascadeType.MERGE)
+	@JoinTable(name = "user_course", joinColumns = @JoinColumn(name = "user_id"), inverseJoinColumns = @JoinColumn(name = "course_id"))
+	private Set<Course> courses;
+*/
 }