Class: MatchReduce::Processor

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/match_reduce/processor.rb,
lib/match_reduce/processor/result.rb,
lib/match_reduce/processor/result_builder.rb,
lib/match_reduce/processor/results_builder.rb

Overview

This is the main lifecycle of the algorithm. You initialize a new instance of this class using aggregators, then you pump in records into it. Once done, call #results to get the results.

Defined Under Namespace

Classes: Result, ResultBuilder, ResultsBuilder

Instance Method Summary collapse

Constructor Details

#initialize(aggregators, resolver: Objectable.resolver, any: ANY) ⇒ Processor

Returns a new instance of Processor.



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# File 'lib/match_reduce/processor.rb', line 23

def initialize(aggregators, resolver: Objectable.resolver, any: ANY)
  @index            = Index.new(aggregators, any: any)
  @results_builder  = ResultsBuilder.new(index.aggregators, resolver)

  freeze
end

Instance Method Details

#add(record) ⇒ Object 



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# File 'lib/match_reduce/processor.rb', line 34

def add(record)
  hit_aggregators = Set.new

  record_patterns(record).each do |hash_pattern|
    # Each index find hit means the aggregator matched on the record
    index.find(hash_pattern).each do |aggregator|
      next if hit_aggregators.include?(aggregator)

      add_to_results_builder(aggregator, record)

      hit_aggregators << aggregator
    end
  end

  self
end

#add_each(records) ⇒ Object 



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# File 'lib/match_reduce/processor.rb', line 30

def add_each(records)
  tap { records.each { |record| add(record) } }
end