diff --git a/demos/AoModel.rb b/demos/AoModel.rb
index 147283c679aaa2cea03b6d164477ada20fed8e0d..a7649e4f883dbf8af3542f85ca7b705363ac3427 100644
--- a/demos/AoModel.rb
+++ b/demos/AoModel.rb
@@ -1,26 +1,25 @@
#!/usr/bin/env ruby
require 'rubygems' if RUBY_VERSION =~ /^1\.8/
-require 'simplekit'
+require_relative '../lib/simplekit'
# Demonstration model of Operational Availability (Ao).
-
class AoModel
include SimpleKit
# model state
- attr_reader :numAvailableJeeps,
- :numAvailableMechanics,
- :maintenanceQLength,
- :breakdownQLength
+ attr_reader :num_available_jeeps,
+ :num_available_mechanics,
+ :maintenance_q_length,
+ :breakdown_q_length
# model parameters
- attr_reader :maxJeeps,
- :maxMaintainers,
- :breakdownRate,
- :maintenanceCycleInDays,
- :repairRate,
- :haltTime
+ attr_reader :max_jeeps,
+ :max_maintainers,
+ :breakdown_rate,
+ :maintenance_cycle_in_days,
+ :repair_rate,
+ :halt_time
# Exponential random variate generator with specified rate.
def exponential(rate)
@@ -30,91 +29,90 @@ class AoModel
# the actual model implementation...
# Constructor initializes the model parameters.
- def initialize(maxJeeps, maxMaintainers, breakdownRate,
- maintenanceCycleInDays, meanRepairTime, haltTime)
- @maxJeeps = maxJeeps
- @maxMaintainers = maxMaintainers
- @breakdownRate = breakdownRate
- @maintenanceCycleInDays = maintenanceCycleInDays
- @repairRate = 1.0 / meanRepairTime
- @haltTime = haltTime
+ def initialize(max_jeeps, max_maintainers, breakdown_rate,
+ maintenance_cycle_in_days, mean_repair_time, halt_time)
+ @max_jeeps = max_jeeps
+ @max_maintainers = max_maintainers
+ @breakdown_rate = breakdown_rate
+ @maintenance_cycle_in_days = maintenance_cycle_in_days
+ @repair_rate = 1.0 / mean_repair_time
+ @halt_time = halt_time
end
# init method kickstarts a simplekit model. State variables are
# set to initial values, and some preliminary events get scheduled
def init
- @numAvailableJeeps = @maxJeeps
- @numAvailableMechanics = @maxMaintainers
- @maintenanceQLength = 0
- @breakdownQLength = 0
- @numAvailableJeeps.times do |i|
- breakdownTime = exponential(@breakdownRate)
- if (breakdownTime <= @maintenanceCycleInDays)
- schedule(:breakdown, breakdownTime)
+ @num_available_jeeps = @max_jeeps
+ @num_available_mechanics = @max_maintainers
+ @maintenance_q_length = 0
+ @breakdown_q_length = 0
+ @num_available_jeeps.times do
+ breakdown_time = exponential(@breakdown_rate)
+ if (breakdown_time <= @maintenance_cycle_in_days)
+ schedule(:breakdown, breakdown_time)
else
- schedule(:maintenance, @maintenanceCycleInDays)
+ schedule(:maintenance, @maintenance_cycle_in_days)
end
end
- schedule(:halt, @haltTime)
- STDOUT.puts "DailyAoReport"
- schedule(:dailyReport, 0.0)
+ schedule(:halt, @halt_time)
+ STDOUT.puts 'DailyAoReport'
+ schedule(:daily_report, 0.0)
end
# Event methods follow...
- def dailyReport
- STDOUT.printf "%d\n", @numAvailableJeeps if model_time < @haltTime
- schedule(:dailyReport, 8.0)
+ def daily_report
+ STDOUT.printf "%d\n", @num_available_jeeps if model_time < @halt_time
+ schedule(:daily_report, 8.0)
end
def breakdown
- @breakdownQLength += 1
- @numAvailableJeeps -= 1
- schedule(:beginBreakdownService, 0.0) if (@numAvailableMechanics > 0)
+ @breakdown_q_length += 1
+ @num_available_jeeps -= 1
+ schedule(:begin_breakdown_service, 0.0) if @num_available_mechanics > 0
end
def maintenance
- @maintenanceQLength += 1
- @numAvailableJeeps -= 1
- schedule(:beginMaintenanceService, 0.0) if (@numAvailableMechanics > 0)
+ @maintenance_q_length += 1
+ @num_available_jeeps -= 1
+ schedule(:begin_maintenance_service, 0.0) if @num_available_mechanics > 0
end
- def beginMaintenanceService
- @maintenanceQLength -= 1
- @numAvailableMechanics -= 1
+ def begin_maintenance_service
+ @maintenance_q_length -= 1
+ @num_available_mechanics -= 1
if (rand <= 0.95)
- schedule(:endService, (6.5 - rand) / 8.0)
+ schedule(:end_service, (6.5 - rand) / 8.0)
else
- schedule(:endService, exponential(@repairRate / 4.0))
+ schedule(:end_service, exponential(@repair_rate / 4.0))
end
end
- def beginBreakdownService
- @breakdownQLength -= 1
- @numAvailableMechanics -= 1
+ def begin_breakdown_service
+ @breakdown_q_length -= 1
+ @num_available_mechanics -= 1
if (rand <= 0.8)
- schedule(:endService, exponential(@repairRate))
+ schedule(:end_service, exponential(@repair_rate))
else
- schedule(:endService, exponential(@repairRate / 4.0))
+ schedule(:end_service, exponential(@repair_rate / 4.0))
end
end
- def endService
- @numAvailableMechanics += 1
- @numAvailableJeeps += 1
- if (@maintenanceQLength > 0)
- schedule(:beginMaintenanceService, 0.0)
+ def end_service
+ @num_available_mechanics += 1
+ @num_available_jeeps += 1
+ if @maintenance_q_length > 0
+ schedule(:begin_maintenance_service, 0.0)
else
- schedule(:beginBreakdownService, 0.0) if (@breakdownQLength > 0)
+ schedule(:begin_breakdown_service, 0.0) if @breakdown_q_length > 0
end
- breakdownTime = exponential(@breakdownRate)
- if (breakdownTime <= @maintenanceCycleInDays)
- schedule(:breakdown, breakdownTime)
+ breakdown_time = exponential(@breakdown_rate)
+ if (breakdown_time <= @maintenance_cycle_in_days)
+ schedule(:breakdown, breakdown_time)
else
- schedule(:maintenance, @maintenanceCycleInDays)
+ schedule(:maintenance, @maintenance_cycle_in_days)
end
end
-
end
# Run model based on command-line arguments...
@@ -126,14 +124,16 @@ if (ARGV.length != 6)
STDERR.puts "\tMaintenance cycle length (int)"
STDERR.puts "\tMean repair time (double)"
STDERR.puts "\tNumber of days to run (int)"
- STDERR.puts "\nExample: ruby #{File.basename($0)} 50 2 0.01 90 3.0 50\n"
+ prog_name = File.basename($PROGRAM_NAME)
+ STDERR.puts "\nExample: ruby #{prog_name} 50 2 0.01 90 3.0 50\n"
else
- maxJeeps = ARGV[0].to_i
- maxMaintainers = ARGV[1].to_i
- breakdownRate = ARGV[2].to_f
- maintenanceCycleInDays = ARGV[3].to_i
- meanRepairTime = ARGV[4].to_f
- haltTimeInDays = ARGV[5].to_i
- AoModel.new(maxJeeps, maxMaintainers, breakdownRate,
- maintenanceCycleInDays, meanRepairTime, 8.0 * haltTimeInDays).run
+ max_jeeps = ARGV[0].to_i
+ max_maintainers = ARGV[1].to_i
+ breakdown_rate = ARGV[2].to_f
+ maintenance_cycle_in_days = ARGV[3].to_i
+ mean_repair_time = ARGV[4].to_f
+ halt_time_in_days = ARGV[5].to_i
+ AoModel.new(max_jeeps, max_maintainers, breakdown_rate,
+ maintenance_cycle_in_days, mean_repair_time,
+ 8.0 * halt_time_in_days).run
end