Module: Appsignal::Loaders Private

Defined in:
lib/appsignal/loaders.rb,
lib/appsignal/loaders/grape.rb,
lib/appsignal/loaders/hanami.rb,
lib/appsignal/loaders/padrino.rb,
lib/appsignal/loaders/sinatra.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Defined Under Namespace

Classes: GrapeLoader, HanamiLoader, Loader, PadrinoLoader, SinatraLoader

Class Method Summary collapse

Class Method Details

.instances ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/appsignal/loaders.rb', line 11

def instances
  @instances ||= {}
end

.load(name_str) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/appsignal/loaders.rb', line 27

def load(name_str)
  name = name_str.to_sym

  unless registered?(name)
    require_loader(name)
    unless registered?(name)
      Appsignal.internal_logger
        .warn("No loader found with the name '#{name}'.")
      return
    end
  end

  Appsignal.internal_logger.debug("Loading '#{name}' loader")

  begin
    loader_klass = loaders[name]
    loader = loader_klass.new
    instances[name] = loader
    loader.on_load if loader.respond_to?(:on_load)
  rescue => e
    Appsignal.internal_logger.error(
      "An error occurred while loading the '#{name}' loader: " \
        "#{e.class}: #{e.message}\n#{e.backtrace}"
    )
  end
end

.loaders ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/appsignal/loaders.rb', line 7

def loaders
  @loaders ||= {}
end

.register(name, klass) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/appsignal/loaders.rb', line 15

def register(name, klass)
  loaders[name.to_sym] = klass
end

.registered?(name) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/appsignal/loaders.rb', line 19

def registered?(name)
  loaders.key?(name)
end

.start ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/appsignal/loaders.rb', line 54

def start
  instances.each do |name, instance|
    Appsignal.internal_logger.debug("Starting '#{name}' loader")
    begin
      instance.on_start if instance.respond_to?(:on_start)
    rescue => e
      Appsignal.internal_logger.error(
        "An error occurred while starting the '#{name}' loader: " \
          "#{e.class}: #{e.message}\n#{e.backtrace.join("\n")}"
      )
    end
  end
end

.unregister(name) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/appsignal/loaders.rb', line 23

def unregister(name)
  loaders.delete(name)
end