Module: WaterDrop::Producer::Sync

Included in:
WaterDrop::Producer
Defined in:
lib/water_drop/producer/sync.rb

Overview

Component for synchronous producer operations

Instance Method Summary collapse

Instance Method Details

#produce_many_sync(messages) ⇒ Array<Rdkafka::Producer::DeliveryReport>

Produces many messages to Kafka and waits for them to be delivered

Parameters:

  • messages (Array<Hash>) —

    array with messages that comply with the Contracts::Message contract

Returns:

  • (Array<Rdkafka::Producer::DeliveryReport>) —

    delivery reports

Raises:

  • (Rdkafka::RdkafkaError) —

    When adding the messages to rdkafka’s queue failed

  • (Rdkafka::Producer::WaitTimeoutError) —

    When the timeout has been reached and the some handles are still pending

  • (Errors::MessageInvalidError) —

    When any of the provided messages details are invalid and the message could not be sent to Kafka



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# File 'lib/water_drop/producer/sync.rb', line 48

def produce_many_sync(messages)
  ensure_active!
  messages.each { |message| validate_message!(message) }

  @monitor.instrument('messages.produced_sync', producer: self, messages: messages) do
    messages
      .map { |message| client.produce(**message) }
      .map! do |handler|
        handler.wait(
          max_wait_timeout: @config.max_wait_timeout,
          wait_timeout: @config.wait_timeout
        )
      end
  end
end

#produce_sync(message) ⇒ Rdkafka::Producer::DeliveryReport

Produces a message to Kafka and waits for it to be delivered

Parameters:

Returns:

  • (Rdkafka::Producer::DeliveryReport) —

    delivery report

Raises:

  • (Rdkafka::RdkafkaError) —

    When adding the message to rdkafka’s queue failed

  • (Rdkafka::Producer::WaitTimeoutError) —

    When the timeout has been reached and the handle is still pending

  • (Errors::MessageInvalidError) —

    When provided message details are invalid and the message could not be sent to Kafka



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# File 'lib/water_drop/producer/sync.rb', line 18

def produce_sync(message)
  ensure_active!
  validate_message!(message)

  @monitor.instrument(
    'message.produced_sync',
    producer: self,
    message: message
  ) do
    client
      .produce(**message)
      .wait(
        max_wait_timeout: @config.max_wait_timeout,
        wait_timeout: @config.wait_timeout
      )
  end
end