Class: Scale

Inherits:
Object show all
Defined in:
lib/mobiusloop/scale.rb

Overview

Superclass for all scales of measure Designed to be extended with the measure method implemented by the specific

Direct Known Subclasses

PageResponseScale

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Scale

creates internal array to store measurements if sub-classes need their own initialize logic call super first



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# File 'lib/mobiusloop/scale.rb', line 12

def initialize
  @measurements = Array.new
end

Instance Attribute Details

#measurements ⇒ Object (readonly)

Returns the value of attribute measurements.



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# File 'lib/mobiusloop/scale.rb', line 7

def measurements
  @measurements
end

Instance Method Details

#add(measure) ⇒ Object

adds a new measure to end of array



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# File 'lib/mobiusloop/scale.rb', line 28

def add(measure)
  @measurements.push(measure)
end

#measure ⇒ Object

method to perform a measurement, should return an instance of Measure



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# File 'lib/mobiusloop/scale.rb', line 23

def measure()
  raise "Someone forgot to override Scale.measure with their unique logic"
end

#record_measurement ⇒ Object

performs measurement and adds to internal array



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# File 'lib/mobiusloop/scale.rb', line 17

def record_measurement()
  new_measure = measure
  add(new_measure)
end