# PLEASE DO NOT EDIT THIS CODE
# This code was generated using the UMPLE 1.31.1.5860.78bb27cc6 modeling language!
# NOTE: Ruby generator is experimental and is missing some features available in
# in other Umple generated languages like Java or PHP

module Example

class Mentor


  #------------------------
  # MEMBER VARIABLES
  #------------------------

  #Mentor Attributes - for documentation purposes
  #attr_reader :name

  #Mentor Associations - for documentation purposes
  #attr_reader :pupils

  #------------------------
  # CONSTRUCTOR
  #------------------------

  def initialize(a_name)
    @initialized = false
    @deleted = false
    @name = a_name
    @pupils = []
    @initialized = true
  end

  #------------------------
  # INTERFACE
  #------------------------

  def set_name(a_name)
    was_set = false
    @name = a_name
    was_set = true
    was_set
  end

  def get_name
    @name
  end

  def get_pupil(index)
    a_pupil = @pupils[index]
    a_pupil
  end

  def get_pupils
    new_pupils = @pupils.dup
    new_pupils
  end

  def number_of_pupils
    number = @pupils.size
    number
  end

  def has_pupils
    has = @pupils.size > 0
    has
  end

  def index_of_pupil(a_pupil)
    index = @pupils.index(a_pupil)
    index = -1 if index.nil?
    index
  end

  def is_number_of_pupils_valid
    is_valid = number_of_pupils >= Mentor.minimum_number_of_pupils and number_of_pupils <= Mentor.maximum_number_of_pupils
    is_valid
  end

  def self.minimum_number_of_pupils
    5
  end

  def self.maximum_number_of_pupils
    7
  end

  def add_pupil(a_pupil)
    was_added = false
    return false if index_of_pupil(a_pupil) != -1
    if number_of_pupils >= Mentor.maximum_number_of_pupils
      return was_added
    end

    existing_mentor = a_pupil.get_mentor
    is_new_mentor = (!existing_mentor.nil? and !existing_mentor.eql?(self))

    if is_new_mentor and existing_mentor.number_of_pupils <= Mentor.minimum_number_of_pupils
      return was_added
    end

    if is_new_mentor
      a_pupil.set_mentor(self)
    else
      @pupils << a_pupil
    end
    was_added = true
    was_added
  end

  def remove_pupil(a_pupil)
    was_removed = false
    # Unable to remove a_pupil, as it must always have a mentor
    if a_pupil.get_mentor.eql?(self)
      return was_removed
    end

    # mentor already at minimum (5)
    if number_of_pupils <= Mentor.minimum_number_of_pupils
      return was_removed
    end

    @pupils.delete(a_pupil)
    was_removed = true
    was_removed
  end

  def add_pupil_at(a_pupil, index)
    was_added = false
    if add_pupil(a_pupil)
      if(index < 0)
        index = 0
      end
      if(index > number_of_pupils())
        index = number_of_pupils() - 1
      end
      @pupils.delete(a_pupil)
      @pupils.insert(index, a_pupil)
      was_added = true
    end
    was_added
  end

  def add_or_move_pupil_at(a_pupil, index)
    was_added = false
    if @pupils.include?(a_pupil)
      if(index < 0)
        index = 0
      end
      if(index > number_of_pupils())
        index = number_of_pupils() - 1
      end
      @pupils.delete(a_pupil)
      @pupils.insert(index, a_pupil)
      was_added = true
    else
      was_added = add_pupil_at(a_pupil, index)
    end
    was_added
  end

  def delete
    @deleted = true
    @pupils.each do |a_pupil|
      a_pupil.delete
    end
  end

end
end
# PLEASE DO NOT EDIT THIS CODE
# This code was generated using the UMPLE 1.31.1.5860.78bb27cc6 modeling language!
# NOTE: Ruby generator is experimental and is missing some features available in
# in other Umple generated languages like Java or PHP

module Example

class Pupil


  #------------------------
  # MEMBER VARIABLES
  #------------------------

  #Pupil Attributes - for documentation purposes
  #attr_reader :number

  #Pupil Associations - for documentation purposes
  #attr_reader :mentor

  #------------------------
  # CONSTRUCTOR
  #------------------------

  def initialize(a_number, a_mentor)
    @initialized = false
    @deleted = false
    @number = a_number
    @mentor = nil
    did_add_mentor = set_mentor(a_mentor)
    raise "Unable to create pupil due to @mentor. See http://manual.umple.org?RE002ViolationofAssociationMultiplicity.html" unless did_add_mentor
    @initialized = true
  end

  #------------------------
  # INTERFACE
  #------------------------

  def set_number(a_number)
    was_set = false
    raise "Mandatory relationship with mentor not satisfied" if (@initialized and !@deleted and @mentor.nil?)
    @number = a_number
    was_set = true
    was_set
  end

  def get_number
    raise "Mandatory relationship with mentor not satisfied" if (@initialized and !@deleted and @mentor.nil?)
    @number
  end

  def get_mentor
    raise "Mandatory relationship with mentor not satisfied" if (@initialized and !@deleted and @mentor.nil?)
    @mentor
  end

  def set_mentor(a_mentor)
    was_set = false
    raise "Mandatory relationship with mentor not satisfied" if (@initialized and !@deleted and @mentor.nil?)
    # Must provide @mentor to pupil
    if a_mentor.nil?
      return was_set
    end

    # @mentor already at maximum (7)
    if a_mentor.number_of_pupils >= Mentor.maximum_number_of_pupils
      return was_set
    end
    
    existing_mentor = @mentor
    @mentor = a_mentor
    if !existing_mentor.nil? and !existing_mentor.eql?(a_mentor)
      didRemove = existing_mentor.remove_pupil(self)
      unless didRemove
        @mentor = existing_mentor
        return was_set
      end
    end
    @mentor.add_pupil(self)
    was_set = true
    was_set
  end

  def delete
    @deleted = true
    raise "Mandatory relationship with mentor not satisfied" if (@initialized and !@deleted and @mentor.nil?)
    @placeholder_mentor = @mentor
    @mentor = nil
    @placeholder_mentor.remove_pupil(self)
  end

end
end