Class: Scale

Inherits:

Object

• Object
• Scale

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

Instance Attribute Summary

• #measurements ⇒ Object readonly

  Returns the value of attribute measurements.

Instance Method Summary

• #add(measure) ⇒ Object

  adds a new measure to end of array.

• #initialize ⇒ Scale constructor

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

• #measure ⇒ Object

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

• #record_measurement ⇒ Object

  performs measurement and adds to internal array.

Constructor Details

#initialize ⇒ Scale

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

# 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.

# 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

# 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

# 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

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

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