Class: Kafka::Protocol::ListOffsetRequest

Inherits:

Object

Object
Kafka::Protocol::ListOffsetRequest

Defined in:: lib/kafka/protocol/list_offset_request.rb

Overview

A request to list the available offsets for a set of topics/partitions.

API Specification

OffsetRequest => ReplicaId [TopicName [Partition Time MaxNumberOfOffsets]]
 ReplicaId => int32
 IsolationLevel => int8
 TopicName => string
 Partition => int32
 Time => int64

Constant Summary collapse

ISOLATION_READ_UNCOMMITTED =

ISOLATION_READ_COMMITTED =

Instance Method Summary collapse

#api_key ⇒ Object
#api_version ⇒ Object
#encode(encoder) ⇒ Object
#initialize(topics:) ⇒ ListOffsetRequest constructor
A new instance of ListOffsetRequest.
#response_class ⇒ Object

Constructor Details

#initialize(topics:) ⇒ `ListOffsetRequest`

Returns a new instance of ListOffsetRequest.

Parameters:

topics (Hash)

# File 'lib/kafka/protocol/list_offset_request.rb', line 21
def initialize(topics:)
 @replica_id = REPLICA_ID 
 @topics = topics
end

Instance Method Details

#api_key ⇒ `Object`

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# File 'lib/kafka/protocol/list_offset_request.rb', line 30
def api_key
 LIST_OFFSET_API 
end

#api_version ⇒ `Object`

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# File 'lib/kafka/protocol/list_offset_request.rb', line 26
def api_version
 2
end

#encode(encoder) ⇒ `Object`

# File 'lib/kafka/protocol/list_offset_request.rb', line 38
def encode(encoder)
 encoder.write_int32(@replica_id)
 encoder.write_int8(ISOLATION_READ_COMMITTED )
 encoder.write_array(@topics) do |topic, partitions|
 encoder.write_string(topic)
 encoder.write_array(partitions) do |partition|
 encoder.write_int32(partition.fetch(:partition))
 encoder.write_int64(partition.fetch(:time))
 end
 end
end

#response_class ⇒ `Object`

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# File 'lib/kafka/protocol/list_offset_request.rb', line 34
def response_class
 Protocol ::ListOffsetResponse 
end