Class: Fluent::Plugin::ElasticsearchStats::Metadata

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

Class Attribute Summary collapse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(metadata = {}, metadata_prefix: self.class.metadata_prefix) ⇒ Metadata

Returns a new instance of Metadata.



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 13

def initialize(metadata = {}, metadata_prefix: self.class.metadata_prefix)
  @metadata = {}.update(metadata)
  @metadata_prefix = metadata_prefix
end

Class Attribute Details

.metadata_prefix ⇒ Object

Returns the value of attribute metadata_prefix.



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 8

def metadata_prefix
  @metadata_prefix
end

Instance Attribute Details

#metadata ⇒ Object (readonly)

Returns the value of attribute metadata.



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 11

def metadata
  @metadata
end

#metadata_prefix ⇒ Object (readonly)

Returns the value of attribute metadata_prefix.



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 11

def metadata_prefix
  @metadata_prefix
end

Instance Method Details

#dup ⇒ Object 



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 30

def dup
  self.class.new(
    metadata.clone,
    metadata_prefix: metadata_prefix.clone
  )
end

#get(label) ⇒ Object 



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 26

def get(label)
  metadata[label_for(label)]
end

#label_for(label) ⇒ Object 



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 37

def label_for(label)
  "#{metadata_prefix}#{label}"
end

#set(label:, value:) ⇒ Object 



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 18

def set(label:, value:)
  return self if label.nil? || label.to_s.empty?

  @metadata[label_for(label)] = value

  self
end

#to_h ⇒ Object 



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# File 'lib/fluent/plugin/elasticsearch_stats/metadata.rb', line 41

def to_h
  metadata.clone
end