Class: Kafka::Protocol::OffsetFetchRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/kafka/protocol/offset_fetch_request.rb

Instance Method Summary collapse

Constructor Details

#initialize(group_id:, topics:) ⇒ OffsetFetchRequest

Returns a new instance of OffsetFetchRequest.



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# File 'lib/kafka/protocol/offset_fetch_request.rb', line 6

def initialize(group_id:, topics:)
  @group_id = group_id
  @topics = topics
end

Instance Method Details

#api_key ⇒ Object 



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# File 'lib/kafka/protocol/offset_fetch_request.rb', line 11

def api_key
  OFFSET_FETCH_API
end

#api_version ⇒ Object

setting topics to nil fetches all offsets for a consumer group and that feature is only available in API version 2+



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# File 'lib/kafka/protocol/offset_fetch_request.rb', line 17

def api_version
  @topics.nil? ? 2 : 1
end

#encode(encoder) ⇒ Object 



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# File 'lib/kafka/protocol/offset_fetch_request.rb', line 25

def encode(encoder)
  encoder.write_string(@group_id)

  encoder.write_array(@topics) do |topic, partitions|
    encoder.write_string(topic)

    encoder.write_array(partitions) do |partition|
      encoder.write_int32(partition)
    end
  end
end

#response_class ⇒ Object 



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# File 'lib/kafka/protocol/offset_fetch_request.rb', line 21

def response_class
  OffsetFetchResponse
end