Advisory Lock Sample - Try running in Rails Consoles in separate processes

1_basic.rb

## Run alongside self

count=0

while true
  Rails.logger.tagged(Process.pid) do


    Dispute.with_advisory_lock("hamster_dance") do
      Rails.logger.info "Doing hamster dance #{count}!"
      sleep 1
      count += 1
      Rails.logger.info "Finished dancing!"
    end


  end
end

2_proving_model_is_useless.rb

## Run alongside basic.rb
count=0

while true
  Rails.logger.tagged(Process.pid) do


    GatewayTransaction.with_advisory_lock("hamster_dance") do
      Rails.logger.info "Doing hamster dance #{count}!"
      sleep 1
      count += 1
      Rails.logger.info "Finished dancing!"
    end


  end
end

3_semi-realistic_locking_scenario.rb

## Run alongside self

count=0

while true
  Rails.logger.tagged(Process.pid) do

    id = SecureRandom.random_number(10)


    Dispute.with_advisory_lock("hamster_dance_#{id}") do
      Rails.logger.info "Doing hamster dance for id #{id}!"
      sleep 1
      Rails.logger.info "Finished dancing!"
    end

  end
end

4_semi-realistic_scenario_with_spacing.rb

count=0

while true
  Rails.logger.tagged(Process.pid) do


    Dispute.with_advisory_lock("hamster_dance") do
      Rails.logger.info "Doing hamster dance #{count}!"
      sleep 1
      count += 1
      Rails.logger.info "Finished dancing!"
    end
    sleep(SecureRandom.random_number)


  end
end