Class: PubSub::PayloadAttribute

Inherits:
Object
  • Object
show all
Defined in:
lib/pub_sub/payload_attribute.rb

Constant Summary collapse

CannotEvaluate = 
Class.new(StandardError)

Instance Method Summary collapse

Constructor Details

#initialize(attribute_name, explicit_payload, context) ⇒ PayloadAttribute

Returns a new instance of PayloadAttribute.



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# File 'lib/pub_sub/payload_attribute.rb', line 5

def initialize(attribute_name, explicit_payload, context)
  @attribute_name = attribute_name
  @explicit_payload = explicit_payload
  @context = context
end

Instance Method Details

#get ⇒ Object 



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# File 'lib/pub_sub/payload_attribute.rb', line 11

def get
  return explicit_payload.fetch(attribute_name) if explicit_payload.key?(attribute_name)

  identifier? ? context.send(getter_name)&.id : context.send(getter_name)
rescue NoMethodError
  raise CannotEvaluate, getter_name
end