Class: Problem::FSP::Schedule

Inherits:
Object
  • Object
show all
Defined in:
lib/opt_alg_framework/problem/fsp.rb

Overview

Inner class who represents the production schedule, that is, a matrix were the rows are the tasks and the columns the machines.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#schedule ⇒ Object (readonly)

Returns the value of attribute schedule.



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# File 'lib/opt_alg_framework/problem/fsp.rb', line 10

def schedule
  @schedule
end

Instance Method Details

#build_from_file(path, transpose) ⇒ Object

Fill the schedule reading the an instance from a file



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# File 'lib/opt_alg_framework/problem/fsp.rb', line 13

def build_from_file(path, transpose)
  rows = Array.new
  File.foreach(path).each do |line|
    rows << line.split(" ").collect{ |e| e.to_i }
  end
  @schedule = transpose ? Matrix.rows(rows).transpose : Matrix.rows(rows)
end

#reorder_schedule(tasks_sequence) ⇒ Object

Given a sequence of tasks, reorder the schedule in this sequence



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# File 'lib/opt_alg_framework/problem/fsp.rb', line 22

def reorder_schedule(tasks_sequence)
  rows = Array.new
  tasks_sequence.each do |task|
    rows << @schedule.row(task)
  end
  Matrix.rows(rows)
end