Class: Fluent::InlineClassifierOutput::Classifier

Inherits:
Object
  • Object
show all
Defined in:
lib/fluent/plugin/out_inline_classifier.rb

Direct Known Subclasses

RangeClassifier

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, store, rules) ⇒ Classifier

Returns a new instance of Classifier.



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# File 'lib/fluent/plugin/out_inline_classifier.rb', line 9

def initialize(key, store, rules)
  @key = key
  @store = store
  @rules = rules
end

Instance Attribute Details

#key ⇒ Object

Returns the value of attribute key.



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# File 'lib/fluent/plugin/out_inline_classifier.rb', line 5

def key
  @key
end

#rules ⇒ Object

Returns the value of attribute rules.



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# File 'lib/fluent/plugin/out_inline_classifier.rb', line 7

def rules
  @rules
end

#store ⇒ Object

Returns the value of attribute store.



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# File 'lib/fluent/plugin/out_inline_classifier.rb', line 6

def store
  @store
end

Instance Method Details

#classify(record) ⇒ Object 



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# File 'lib/fluent/plugin/out_inline_classifier.rb', line 15

def classify(record)
  return nil if not record.has_key?(@key)

  target = record[@key]
  @rules.each {|name, func|
    if func.call(target)
      return name
    end
  }
  return nil
end

#run!(record) ⇒ Object 



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# File 'lib/fluent/plugin/out_inline_classifier.rb', line 27

def run!(record)
  if (name = classify(record)) != nil
    record[@store] = name
  end
end