<?php
/*PLEASE DO NOT EDIT THIS CODE*/
/*This code was generated using the UMPLE 1.31.1.5860.78bb27cc6 modeling language!*/

class Student
{

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

  //Student Attributes
  private $number;

  //Student Associations
  private $mentors;

  //Helper Variables
  private $canSetMentors;

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

  public function __construct($aNumber, $allMentors)
  {
    $this->number = $aNumber;
    $this->canSetMentors = true;
    $this->mentors = array();
    $didAddMentors = $this->setMentors($allMentors);
    if (!$didAddMentors)
    {
      throw new Exception("Unable to create Student, must have 3 or fewer mentors, no duplicates. See http://manual.umple.org?RE001ViolationofImmutability.html");
    }
  }

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

  public function getNumber()
  {
    return $this->number;
  }

  public function getMentor_index($index)
  {
    $aMentor = $this->mentors[$index];
    return $aMentor;
  }

  public function getMentors()
  {
    $newMentors = $this->mentors;
    return $newMentors;
  }

  public function numberOfMentors()
  {
    $number = count($this->mentors);
    return $number;
  }

  public function hasMentors()
  {
    $has = $this->numberOfMentors() > 0;
    return $has;
  }

  public function indexOfMentor($aMentor)
  {
    $wasFound = false;
    $index = 0;
    foreach($this->mentors as $mentor)
    {
      if ($mentor->equals($aMentor))
      {
        $wasFound = true;
        break;
      }
      $index += 1;
    }
    $index = $wasFound ? $index : -1;
    return $index;
  }

  public static function minimumNumberOfMentors()
  {
    return 0;
  }

  public static function maximumNumberOfMentors()
  {
    return 3;
  }

  private function setMentors($newMentors)
  {
    $wasSet = false;
    if (!$this->canSetMentors) { return false; }
    $this->canSetMentors = false;
    $verifiedMentors = array();
    foreach ($newMentors as $aMentor)
    {
      if (array_search($aMentor,$verifiedMentors) !== false)
      {
        continue;
      }
      $verifiedMentors[] = $aMentor;
    }

    if (count($verifiedMentors) != count($newMentors) || count($verifiedMentors) > self::maximumNumberOfMentors())
    {
      return $wasSet;
    }

    $this->mentors = $verifiedMentors;
    $wasSet = true;
    return $wasSet;
  }

  public function equals($compareTo)
  {
    return $this == $compareTo;
  }

  public function delete()
  {}

}
?>
<?php
/*PLEASE DO NOT EDIT THIS CODE*/
/*This code was generated using the UMPLE 1.31.1.5860.78bb27cc6 modeling language!*/

class Mentor
{

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

  //Mentor Attributes
  private $name;

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

  public function __construct($aName)
  {
    $this->name = $aName;
  }

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

  public function getName()
  {
    return $this->name;
  }

  public function equals($compareTo)
  {
    return $this == $compareTo;
  }

  public function delete()
  {}

}
?>