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Sample class used in sharing example
More Classes and Objects example from a Well House Consultants training course
More on More Classes and Objects [link]

This example is described in the following article(s):
   • Build up classes into applications sharing data types in Ruby - [link]
   • Testing your new class - first steps with cucumber - [link]
   • Scenario outlines - tables of values to test - in Gherkin / Cucumber - [link]

Source code: stations.rb Module: R108
# Sample class used in sharing example

# class defintion - all the internal stuff!

class Station
        def initialize(raw)
                @info = raw.chomp.split("\t")
        def getTLC()
        def getPassengers()
        def getFullName()
        def getLat()
        def getLong()
        def getDistance(toWhere)
                lat1 = getLat()
                lat2 = toWhere.getLat
                long1 = getLong
                long2 = toWhere.getLong
                diff_x = (lat1 - lat2 ) * 75.0
                diff_y = (long1 - long2 ) * 50.0
                dist = Math.sqrt(diff_x * diff_x + diff_y * diff_y)
        def getDistanceText(toWhere,places=2)
                actual = getDistance toWhere
                "%.#{places}f" % actual

def loadStationFactory
        all = {}
        File.new("rstats2014.xyz").readlines.each do |record|
                current = Station.new record
                tlc = current.getTLC
                all[tlc] = current
        return all

# ------------------------------------------

# first (test) program

# No need to understand the internal / data file format in the user or test program

if __FILE__ == $0

        all = loadStationFactory
        puts all["PLY"].getPassengers()
        puts all["PLY"].getFullName()

        # This not brilliant - formatting an interstation distance should be in the class
        distance = all["PLY"].getDistance all["MKM"]
        puts "Distance is #{'%.2f'%distance}"

        dtext = all["PLY"].getDistanceText all["MKM"]
        puts "Distance is #{dtext}"

        # optional parameter - number of decimal places (default is 2)
        dtext = all["PLY"].getDistanceText all["MKM"],1
        puts "Distance is #{dtext}"
        puts "Loaded #{__FILE__} into #{$0} - my copyright!"
Learn about this subject
This module and example are covered on the following public courses:
 * Learning to program in Ruby
 * Ruby Programming
Also available on on site courses for larger groups

Books covering this topic
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Other Examples
This example comes from our "More Classes and Objects" training module. You'll find a description of the topic and some other closely related examples on the "More Classes and Objects" module index page.

Full description of the source code
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Many other training modules are available for download (for limited use) from our download centre under an Open Training Notes License.

Other resources
• Our Solutions centre provides a number of longer technical articles.
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