/*PLEASE DO NOT EDIT THIS CODE*/
/*This code was generated using the UMPLE 1.35.0.7523.c616a4dce modeling language!*/

package example;
import java.util.*;

// line 3 "../OptionalOneToNTest.ump"
public class Mentor
{

  //------------------------
  // MEMBER VARIABLES
  //------------------------

  //Mentor Attributes
  private String name;

  //Mentor Associations
  private List<Student> students;

  //------------------------
  // CONSTRUCTOR
  //------------------------

  public Mentor(String aName, Student... allStudents)
  {
    name = aName;
    students = new ArrayList<Student>();
    boolean didAddStudents = setStudents(allStudents);
    if (!didAddStudents)
    {
      throw new RuntimeException("Unable to create Mentor, must have 3 students. See https://manual.umple.org?RE002ViolationofAssociationMultiplicity.html");
    }
  }

  //------------------------
  // INTERFACE
  //------------------------

  public boolean setName(String aName)
  {
    boolean wasSet = false;
    name = aName;
    wasSet = true;
    return wasSet;
  }

  public String getName()
  {
    return name;
  }
  /* Code from template association_GetMany */
  public Student getStudent(int index)
  {
    Student aStudent = students.get(index);
    return aStudent;
  }

  public List<Student> getStudents()
  {
    List<Student> newStudents = Collections.unmodifiableList(students);
    return newStudents;
  }

  public int numberOfStudents()
  {
    int number = students.size();
    return number;
  }

  public boolean hasStudents()
  {
    boolean has = students.size() > 0;
    return has;
  }

  public int indexOfStudent(Student aStudent)
  {
    int index = students.indexOf(aStudent);
    return index;
  }
  /* Code from template association_RequiredNumberOfMethod */
  public static int requiredNumberOfStudents()
  {
    return 3;
  }
  /* Code from template association_MinimumNumberOfMethod */
  public static int minimumNumberOfStudents()
  {
    return 3;
  }
  /* Code from template association_MaximumNumberOfMethod */
  public static int maximumNumberOfStudents()
  {
    return 3;
  }
  /* Code from template association_SetNToOptionalOne */
  public boolean setStudents(Student... newStudents)
  {
    boolean wasSet = false;
    ArrayList<Student> checkNewStudents = new ArrayList<Student>();
    for (Student aStudent : newStudents)
    {
      if (checkNewStudents.contains(aStudent))
      {
        return wasSet;
      }
      else if (aStudent.getMentor() != null && !this.equals(aStudent.getMentor()))
      {
        return wasSet;
      }
      checkNewStudents.add(aStudent);
    }

    if (checkNewStudents.size() != minimumNumberOfStudents())
    {
      return wasSet;
    }

    students.removeAll(checkNewStudents);
    
    for (Student orphan : students)
    {
      setMentor(orphan, null);
    }
    students.clear();
    for (Student aStudent : newStudents)
    {
      setMentor(aStudent, this);
      students.add(aStudent);
    }
    wasSet = true;
    return wasSet;
  }
  /* Code from template association_GetPrivate */
  private void setMentor(Student aStudent, Mentor aMentor)
  {
    try
    {
      java.lang.reflect.Field mentorField = aStudent.getClass().getDeclaredField("mentor");
      mentorField.setAccessible(true);
      mentorField.set(aStudent, aMentor);
    }
    catch (Exception e)
    {
      throw new RuntimeException("Issue internally setting aMentor to aStudent", e);
    }
  }

  public void delete()
  {
    for(Student aStudent : students)
    {
      setMentor(aStudent,null);
    }
    students.clear();
  }


  public String toString()
  {
    return super.toString() + "["+
            "name" + ":" + getName()+ "]";
  }
}
/*PLEASE DO NOT EDIT THIS CODE*/
/*This code was generated using the UMPLE 1.35.0.7523.c616a4dce modeling language!*/

package example;

// line 9 "../OptionalOneToNTest.ump"
public class Student
{

  //------------------------
  // MEMBER VARIABLES
  //------------------------

  //Student Attributes
  private String number;

  //Student Associations
  private Mentor mentor;

  //------------------------
  // CONSTRUCTOR
  //------------------------

  public Student(String aNumber)
  {
    number = aNumber;
  }

  //------------------------
  // INTERFACE
  //------------------------

  public boolean setNumber(String aNumber)
  {
    boolean wasSet = false;
    number = aNumber;
    wasSet = true;
    return wasSet;
  }

  public String getNumber()
  {
    return number;
  }
  /* Code from template association_GetOne */
  public Mentor getMentor()
  {
    return mentor;
  }

  public boolean hasMentor()
  {
    boolean has = mentor != null;
    return has;
  }

  public void delete()
  {
    if (mentor != null)
    {
      mentor.delete();
    }
  }


  public String toString()
  {
    return super.toString() + "["+
            "number" + ":" + getNumber()+ "]" + System.getProperties().getProperty("line.separator") +
            "  " + "mentor = "+(getMentor()!=null?Integer.toHexString(System.identityHashCode(getMentor())):"null");
  }
}