#PLEASE DO NOT EDIT THIS CODE
#This code was generated using the UMPLE 1.32.1.6535.66c005ced modeling language!
# line 9 "../OptionalOneToManyTest.ump"
import os

class Student():
    #------------------------
    # MEMBER VARIABLES
    #------------------------
    #Student Attributes
    #Student Associations
    #------------------------
    # CONSTRUCTOR
    #------------------------
    def __init__(self, aNumber):
        self._mentor = None
        self._number = None
        self._number = aNumber

    #------------------------
    # INTERFACE
    #------------------------
    def setNumber(self, aNumber):
        wasSet = False
        self._number = aNumber
        wasSet = True
        return wasSet

    def getNumber(self):
        return self._number

    # Code from template association_GetOne 
    def getMentor(self):
        return self._mentor

    def hasMentor(self):
        has = not (self._mentor is None)
        return has

    # Code from template association_SetOptionalOneToMany 
    def setMentor(self, aMentor):
        wasSet = False
        existingMentor = self._mentor
        self._mentor = aMentor
        if not (existingMentor is None) and not existingMentor == aMentor :
            existingMentor.removeStudent(self)
        if not (aMentor is None) :
            aMentor.addStudent(self)
        wasSet = True
        return wasSet

    def delete(self):
        if not (self._mentor is None) :
            placeholderMentor = self._mentor
            self._mentor = None
            placeholderMentor.removeStudent(self)

    def __str__(self):
        return str(super().__str__()) + "[" + "number" + ":" + str(self.getNumber()) + "]" + str(os.linesep) + "  " + "mentor = " + ((format(id(self.getMentor()), "x")) if not (self.getMentor() is None) else "null")

