Class: Iriq::Observation

Inherits:
Object
  • Object
show all
Defined in:
lib/iriq/observation.rb

Overview

The result of Corpus#observe. Lightweight value object — heavy work (cluster load, explanation, normalization) is deferred until you ask.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(corpus:, identifier:, cluster_key:) ⇒ Observation

Returns a new instance of Observation.



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# File 'lib/iriq/observation.rb', line 7

def initialize(corpus:, identifier:, cluster_key:)
  @corpus      = corpus
  @identifier  = identifier
  @cluster_key = cluster_key
end

Instance Attribute Details

#identifier ⇒ Object (readonly)

Returns the value of attribute identifier.



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# File 'lib/iriq/observation.rb', line 5

def identifier
  @identifier
end

Instance Method Details

#cluster ⇒ Object

The cluster as it stands when first read; observing doesn't load it.



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# File 'lib/iriq/observation.rb', line 14

def cluster
  @cluster ||= @corpus.storage.cluster_for(@cluster_key)
end

#explanation ⇒ Object 



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# File 'lib/iriq/observation.rb', line 22

def explanation
  @explanation ||= @corpus.explain(@identifier)
end

#fingerprint ⇒ Object 



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# File 'lib/iriq/observation.rb', line 18

def fingerprint
  @fingerprint ||= Normalizer.normalize_identifier(@identifier)
end

#normalize ⇒ Object 



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# File 'lib/iriq/observation.rb', line 26

def normalize
  @corpus.normalize(@identifier)
end