Module: Pigeon::Processor::BackgroundProcessor

Included in:
Pigeon::Processor
Defined in:
lib/pigeon/processor/background_processor.rb

Overview

Background processing functionality for the processor

Instance Method Summary collapse

Instance Method Details

#process_startup_messages(batch_size = 100) ⇒ Hash

Process pending messages on startup

Parameters:

  • batch_size (Integer) (defaults to: 100) —

    Number of messages to process in one batch

Returns:

  • (Hash) —

    Processing statistics



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# File 'lib/pigeon/processor/background_processor.rb', line 74

def process_startup_messages(batch_size = 100)
  Pigeon.config.logger.info("Processing pending messages on startup")

  # Process pending messages
  stats = process_pending(batch_size: batch_size)

  # Log the results
  Pigeon.config.logger.info("Startup processing complete: #{stats[:processed]} messages processed")

  stats
end

#processing? ⇒ Boolean

Check if processing is running

Returns:

  • (Boolean) —

    Whether processing is running



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# File 'lib/pigeon/processor/background_processor.rb', line 67

def processing?
  @processing.true?
end

#start_background_processing(batch_size: 100, interval: 5, thread_count: 2) ⇒ Boolean

Start processing pending messages in the background

Parameters:

  • batch_size (Integer) (defaults to: 100) —

    Number of messages to process in one batch

  • interval (Integer) (defaults to: 5) —

    Interval in seconds between processing batches

  • thread_count (Integer) (defaults to: 2) —

    Number of threads to use for processing

Returns:

  • (Boolean) —

    Whether processing was started



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# File 'lib/pigeon/processor/background_processor.rb', line 14

def start_background_processing(batch_size: 100, interval: 5, thread_count: 2)
  return false if @processing.true?

  @mutex.with_write_lock do
    return false if @processing.true?

    Pigeon.config.logger.info("Starting background processing of outbox messages")

    # Process any pending messages immediately
    process_startup_messages(batch_size)

    # Create a thread pool for processing
    @thread_pool = Concurrent::FixedThreadPool.new(thread_count)

    # Set up periodic processing
    @scheduler = Concurrent::TimerTask.new(execution_interval: interval) do
      process_pending(batch_size: batch_size)
    end

    # Start the scheduler
    @scheduler.execute

    @processing.make_true
  end

  true
end

#stop_background_processing ⇒ Boolean

Stop processing pending messages

Returns:

  • (Boolean) —

    Whether processing was stopped



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# File 'lib/pigeon/processor/background_processor.rb', line 44

def stop_background_processing
  return false unless @processing.true?

  @mutex.with_write_lock do
    return false unless @processing.true?

    Pigeon.config.logger.info("Stopping background processing of outbox messages")

    # Stop the scheduler
    @scheduler&.shutdown

    # Shutdown the thread pool
    @thread_pool&.shutdown
    @thread_pool&.wait_for_termination(10) # Wait up to 10 seconds for threads to finish

    @processing.make_false
  end

  true
end