/*
 * Copyright (c) 2017, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.ts.tests.jpa.jpa22.repeatable.mapkeyjoincolumn;

import java.util.Map;
import java.util.Set;

import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.JoinTable;
import jakarta.persistence.ManyToMany;
import jakarta.persistence.MapKeyJoinColumn;

@Entity
public class Student implements java.io.Serializable {
  private static final long serialVersionUID = 22L;

  @Id
  int id;

  String studentName;

  public Student() {
  }

  public Student(int id) {
    this.id = id;
  }

  public Student(int id, String name) {
    this.id = id;
    this.studentName = name;
  }

  /*
   * students and semesters are many-many enrollment contains past and present
   * student enrollments
   */
  @ManyToMany
  @MapKeyJoinColumn(name = "ENROLLMENT_KEY", insertable = true, nullable = false, unique = true, updatable = false)
  @JoinTable(name = "ENROLLMENTS", joinColumns = @JoinColumn(name = "STUDENT"), inverseJoinColumns = @JoinColumn(name = "SEMESTER"))
  Map<Course, Semester> enrollment;

  public Set<Course> getCourses() {
    return enrollment.keySet();
  }

  public Map<Course, Semester> getEnrollment() {
    return enrollment;
  }

  public void setEnrollment(Map<Course, Semester> enrollment) {
    this.enrollment = enrollment;
  }

  public int getId() {
    return id;
  }

  public void setId(int studentId) {
    this.id = studentId;
  }

  public String getStudentName() {
    return studentName;
  }

  public void setStudentName(String studentName) {
    this.studentName = studentName;
  }

  public int hashCode() {

    return this.id;
  }

  public boolean equals(Object obj) {
    boolean result = false;

    if ((obj != null) && (obj instanceof Student)) {
      Student student = (Student) obj;
      result = (student.id == this.id);
    }
    return result;
  }
}
