class Patterns::Doctor

Doctor -> ChainNode

Doctor class that contains shared functions for all Doctor child classes

Attributes

patients_seen[RW]

Number: Number of patients seen

saw_patient[RW]

Boolean: has the doctor seen a patient?

Public Class Methods

new(next_node = nil) click to toggle source

Calls the ChainNode initialize function and sets patients seen = 0

Calls superclass method Patterns::ChainNode.new 
# File app/models/chain_of_responsibility/doctor.rb, line 12
def initialize(next_node = nil)
  super(next_node)
  @patients_seen = 0
end

Public Instance Methods

process(argument) click to toggle source 
# File app/models/chain_of_responsibility/doctor.rb, line 23
def process(argument)
  see_patient(argument)
end
saw_patient?() click to toggle source

Returns true or false if the doctor has seen a patient

# File app/models/chain_of_responsibility/doctor.rb, line 28
def saw_patient?
  if @saw_patient
    true
  else
    false
  end
end
see_patient(patient) click to toggle source

Sets saw patient = true and adds 1 to patients seen

# File app/models/chain_of_responsibility/doctor.rb, line 18
def see_patient(patient)
  @saw_patient = true
  @patients_seen += 1
end