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Contents
require 'i18n/tasks/scanners/scanner'
module I18n::Tasks::Scanners
# Run multiple {Scanner Scanners} and merge their results.
# @note The scanners are run concurrently. A thread is spawned per each scanner.
# @since 0.9.0
class ScannerMultiplexer < Scanner
# @param scanners [Array<Scanner>]
def initialize(scanners:)
@scanners = scanners
end
# Collect the results of all the scanners. Occurrences of a key from multiple scanners are merged.
#
# @note The scanners are run concurrently. A thread is spawned per each scanner.
# @return (see Scanner#keys)
def keys
Results::KeyOccurrences.merge_keys collect_results.flatten(1)
end
private
# @return [Array<Array<Results::KeyOccurrences>>]
def collect_results
return [@scanners[0].keys] if @scanners.length == 1
Array.new(@scanners.length).tap do |results|
@scanners.map.with_index { |scanner, i|
Thread.start { results[i] = scanner.keys }
}.each(&:join)
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems