<?php /*PLEASE DO NOT EDIT THIS CODE*/ /*This code was generated using the UMPLE 1.35.0.7523.c616a4dce modeling language!*/ class Mentor { //------------------------ // MEMBER VARIABLES //------------------------ //Mentor Attributes private $name; //Mentor Associations private $students; //------------------------ // CONSTRUCTOR //------------------------ public function __construct($aName) { $this->name = $aName; $this->students = array(); } //------------------------ // INTERFACE //------------------------ public function setName($aName) { $wasSet = false; $this->name = $aName; $wasSet = true; return $wasSet; } public function getName() { return $this->name; } public function getStudent_index($index) { $aStudent = $this->students[$index]; return $aStudent; } public function getStudents() { $newStudents = $this->students; return $newStudents; } public function numberOfStudents() { $number = count($this->students); return $number; } public function hasStudents() { $has = $this->numberOfStudents() > 0; return $has; } public function indexOfStudent($aStudent) { $wasFound = false; $index = 0; foreach($this->students as $student) { if ($student->equals($aStudent)) { $wasFound = true; break; } $index += 1; } $index = $wasFound ? $index : -1; return $index; } public function isNumberOfStudentsValid() { $isValid = $this->numberOfStudents() >= self::minimumNumberOfStudents() && $this->numberOfStudents() <= self::maximumNumberOfStudents(); return $isValid; } public static function requiredNumberOfStudents() { return 4; } public static function minimumNumberOfStudents() { return 4; } public static function maximumNumberOfStudents() { return 4; } public function addStudentVia($aNumber) { if ($this->numberOfStudents() >= self::maximumNumberOfStudents()) { return null; } else { return new Student($aNumber, $this); } } public function addStudent($aStudent) { $wasAdded = false; if ($this->indexOfStudent($aStudent) !== -1) { return false; } if ($this->numberOfStudents() >= self::maximumNumberOfStudents()) { return $wasAdded; } $existingMentor = $aStudent->getMentor(); $isNewMentor = $existingMentor != null && $this !== $existingMentor; if ($isNewMentor && $existingMentor->numberOfStudents() <= self::minimumNumberOfStudents()) { return $wasAdded; } if ($isNewMentor) { $aStudent->setMentor($this); } else { $this->students[] = $aStudent; } $wasAdded = true; return $wasAdded; } public function removeStudent($aStudent) { $wasRemoved = false; //Unable to remove aStudent, as it must always have a mentor if ($this === $aStudent->getMentor()) { return $wasRemoved; } //mentor already at minimum (4) if ($this->numberOfStudents() <= self::minimumNumberOfStudents()) { return $wasRemoved; } unset($this->students[$this->indexOfStudent($aStudent)]); $this->students = array_values($this->students); $wasRemoved = true; return $wasRemoved; } public function equals($compareTo) { return $this == $compareTo; } public function delete() { foreach ($this->students as $aStudent) { $aStudent->delete(); } } } ?> <?php /*PLEASE DO NOT EDIT THIS CODE*/ /*This code was generated using the UMPLE 1.35.0.7523.c616a4dce modeling language!*/ class Student { //------------------------ // MEMBER VARIABLES //------------------------ //Student Attributes private $number; //Student Associations private $mentor; //------------------------ // CONSTRUCTOR //------------------------ public function __construct($aNumber, $aMentor) { $this->number = $aNumber; $didAddMentor = $this->setMentor($aMentor); if (!$didAddMentor) { throw new Exception("Unable to create student due to mentor. See https://manual.umple.org?RE002ViolationofAssociationMultiplicity.html"); } } //------------------------ // INTERFACE //------------------------ public function setNumber($aNumber) { $wasSet = false; $this->number = $aNumber; $wasSet = true; return $wasSet; } public function getNumber() { return $this->number; } public function getMentor() { return $this->mentor; } public function setMentor($aMentor) { $wasSet = false; //Must provide mentor to student if ($aMentor == null) { return $wasSet; } //mentor already at maximum (4) if ($aMentor->numberOfStudents() >= Mentor::maximumNumberOfStudents()) { return $wasSet; } $existingMentor = $this->mentor; $this->mentor = $aMentor; if ($existingMentor != null && $existingMentor != $aMentor) { $didRemove = $existingMentor->removeStudent($this); if (!$didRemove) { $this->mentor = $existingMentor; return $wasSet; } } $this->mentor->addStudent($this); $wasSet = true; return $wasSet; } public function equals($compareTo) { return $this == $compareTo; } public function delete() { $placeholderMentor = $this->mentor; $this->mentor = null; $placeholderMentor->removeStudent($this); } } ?>