Class: Judges::Update

Inherits:
Object show all
Defined in:
lib/judges/commands/update.rb

Overview

The update command.

This class is instantiated by the bin/judge command line interface. You are not supposed to instantiate it yourself.

Author

Yegor Bugayenko ([email protected])

Copyright

Copyright © 2024 Yegor Bugayenko

License

MIT

Instance Method Summary collapse

Constructor Details

#initialize(loog) ⇒ Update

Returns a new instance of Update.



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# File 'lib/judges/commands/update.rb', line 42

def initialize(loog)
  @loog = loog
end

Instance Method Details

#run(opts, args) ⇒ Object 



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# File 'lib/judges/commands/update.rb', line 46

def run(opts, args)
  raise 'Exactly two arguments required' unless args.size == 2
  dir = args[0]
  raise "The directory is absent: #{dir.to_rel}" unless File.exist?(dir)
  start = Time.now
  impex = Judges::Impex.new(@loog, args[1])
  fb = impex.import(strict: false)
  fb = Factbase::Looged.new(fb, @loog) if opts['log']
  options = Judges::Options.new(opts['option'])
  if options.empty?
    @loog.debug('No options provided by the --option flag')
  else
    @loog.debug("The following options provided:\n\t#{options.to_s.gsub("\n", "\n\t")}")
  end
  judges = Judges::Judges.new(dir, opts['lib'], @loog)
  c = 0
  churn = Judges::Churn.new(0, 0)
  elapsed(@loog) do
    loop do
      c += 1
      if c > 1
        @loog.info("\n\nStarting cycle ##{c}#{opts['max-cycles'] ? " (out of #{opts['max-cycles']})" : ''}...")
      end
      delta = cycle(opts, judges, fb, options)
      churn += delta
      impex.export(fb)
      if delta.zero?
        @loog.info("The update cycle ##{c} has made no changes to the factbase, let's stop")
        break
      end
      if !opts['max-cycles'].nil? && c >= opts['max-cycles']
        @loog.info("Too many cycles already, as set by --max-cycles=#{opts['max-cycles']}, breaking")
        break
      end
      @loog.info("The cycle #{c} modified #{delta} fact(s)")
    end
    throw :"Update finished in #{c} cycle(s), modified #{churn} fact(s)"
  end
  return if churn.zero? || !opts['summary']
  fb.query('(eq what "judges-summary")').delete!
  f = fb.insert
  f.what = 'judges-summary'
  f.when = Time.now
  f.version = Judges::VERSION
  f.seconds = Time.now - start
  f.cycles = c
  f.added = churn.added.size
  f.removed = churn.removed.size
  churn.errors.each { |e| f.error = e }
  impex.export(fb)
end