Class: SiteMaps::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/site_maps/runner.rb

Defined Under Namespace

Modules: EventListener

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(adapter = SiteMaps.current_adapter, max_threads: 4, ping: nil) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/site_maps/runner.rb', line 7

def initialize(adapter = SiteMaps.current_adapter, max_threads: 4, ping: nil)
  @adapter = adapter.tap(&:reset!)
  @ping = ping
  @pool = Concurrent::FixedThreadPool.new(max_threads)
  @execution = Concurrent::Hash.new
  @failed = Concurrent::AtomicBoolean.new(false)
  @errors = Concurrent::Array.new
end

Instance Attribute Details

#adapter ⇒ Object (readonly)

Returns the value of attribute adapter.



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# File 'lib/site_maps/runner.rb', line 5

def adapter
  @adapter
end

Instance Method Details

#enqueue(process_name = :default, **kwargs) ⇒ Object 



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# File 'lib/site_maps/runner.rb', line 16

def enqueue(process_name = :default, **kwargs)
  process_name = process_name.to_sym
  process = @adapter.processes.fetch(process_name) do
    raise ArgumentError, "Process :#{process_name} not found"
  end
  kwargs = process.keyword_arguments(kwargs)
  SiteMaps::Notification.instrument("sitemaps.enqueue_process") do |payload|
    payload[:process] = process
    payload[:kwargs] = kwargs
    if process.dynamic?
      @execution[process_name] ||= Concurrent::Array.new
      if @execution[process_name].any? { |_, k| k == kwargs }
        raise ArgumentError, "Process :#{process_name} already enqueued with kwargs #{kwargs}"
      end
      @execution[process_name] << [process, kwargs]
    else
      if @execution.key?(process_name)
        raise ArgumentError, "Process :#{process_name} already defined"
      end
      @execution[process_name] = Concurrent::Array.new([[process, kwargs]])
    end
  end
  self
end

#enqueue_remaining ⇒ Object Also known as: enqueue_all 



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# File 'lib/site_maps/runner.rb', line 41

def enqueue_remaining
  @adapter.processes.each_key do |process_name|
    next if @execution.key?(process_name)

    enqueue(process_name)
  end
  self
end

#run ⇒ Object 



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# File 'lib/site_maps/runner.rb', line 51

def run
  may_preload_sitemap_index

  futures = []
  @execution.each do |_process_name, items|
    items.each do |process, kwargs|
      SiteMaps::Notification.publish("sitemaps.before_process_execution", process: process, kwargs: kwargs)
      futures << Concurrent::Future.execute(executor: pool) do
        wrap_process_execution(process) do
          SiteMaps::Notification.instrument("sitemaps.process_execution") do |payload|
            payload[:process] = process
            payload[:kwargs] = kwargs
            builder = SiteMaps::SitemapBuilder.new(
              adapter: adapter,
              location: process.location(**kwargs),
              notification_payload: {process: process}
            )
            adapter.process_mixins.each { |mixin| builder.extend(mixin) }
            process.call(builder, **kwargs)
            builder.finalize!
          end
        end
      end
    end
  end

  futures.each(&:wait)
  failed.false? ? finalize! : fail_with_errors!
ensure
  pool.shutdown
  pool.wait_for_termination
  @execution.clear
end