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Modules: Judges Classes: Object

Instance Method Summary collapse

Instance Method Details

#each_once(fb, query, judge: $judge) ⇒ Object

Returns a decorated global factbase, which only touches facts once.



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# File 'lib/judges/fb/once.rb', line 27

def each_once(fb, query, judge: $judge)
  return to_enum(__method__, fb, query, judge:) unless block_given?
  q = "(and #{query} (not (eq seen '#{judge}')))"
  fb.query(q).each do |f|
    yield f
    f.seen = judge
  end
end

#each_tuple_once(fb, *queries, judge: $judge) ⇒ Object

Returns a decorated global factbase, which only touches a tuple once.



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# File 'lib/judges/fb/once.rb', line 37

def each_tuple_once(fb, *queries, judge: $judge)
  return to_enum(__method__, fb, *queries, judge:) unless block_given?
  qq = queries.map { |q| "(and #{q} (not (eq seen '#{judge}')))" }
  Factbase::Tuples.new(fb, qq).each do |fs|
    yield fs
    fs.each do |f|
      f.seen = judge
    end
  end
end

#each_tuple_once_txn(fb, *queries, judge: $judge) ⇒ Object 



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# File 'lib/judges/fb/once.rb', line 48

def each_tuple_once_txn(fb, *queries, judge: $judge)
  fb.txn do |fbt|
    each_tuple_once(fb, *queries, judge:) do |fs|
      yield [fbt] + fs
    end
  end
end

#elapsed(loog) ⇒ Object

Copyright © 2024 Yegor Bugayenko

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.



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# File 'lib/judges/elapsed.rb', line 23

def elapsed(loog)
  start = Time.now
  begin
    yield
  rescue UncaughtThrowError => e
    tag = e.tag
    throw e unless tag.is_a?(Symbol)
    loog.info("#{tag} in #{format('%.02f', Time.now - start)}s")
  end
end

#if_absent(fb) {|f| ... } ⇒ Object

Injects a fact if it’s absent in the factbase.

Yields:

  • (f) 


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# File 'lib/judges/fb/if_absent.rb', line 27

def if_absent(fb)
  attrs = {}
  f = Judges::Accumulator.new(attrs)
  yield f
  q = attrs.map do |k, v|
    vv = v.to_s
    if v.is_a?(String)
      vv = "'#{vv.gsub('"', '\\\\"').gsub("'", "\\\\'")}'"
    elsif v.is_a?(Time)
      vv = v.utc.iso8601
    end
    "(eq #{k} #{vv})"
  end.join(' ')
  q = "(and #{q})"
  return unless fb.query(q).each.to_a.empty?
  n = fb.insert
  attrs.each { |k, v| n.send("#{k}=", v) }
  n
end