Class: Dry::System::Plugins::Monitoring::Proxy Private

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/dry/system/plugins/monitoring/proxy.rb

Overview

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

API:

  • private

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target, notifications) ⇒ Proxy

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 a new instance of Proxy.

API:

  • private



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# File 'lib/dry/system/plugins/monitoring/proxy.rb', line 43

def initialize(target, notifications)
  super(target)
  @__notifications__ = notifications
end

Class Method Details

.for(target, key:, methods: []) ⇒ 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.

API:

  • private



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# File 'lib/dry/system/plugins/monitoring/proxy.rb', line 12

def self.for(target, key:, methods: [])
  monitored_methods =
    if methods.empty?
      target.public_methods - Object.public_instance_methods
    else
      methods
    end

  Class.new(self) do
    extend Dry::Core::ClassAttributes
    include Dry::Events::Publisher[target.class.name]

    defines :monitored_methods

    attr_reader :__notifications__

    monitored_methods(monitored_methods)

    monitored_methods.each do |meth|
      define_method(meth) do |*args, **kwargs, &block|
        object = __getobj__
        opts = {target: key, object: object, method: meth, args: args, kwargs: kwargs}

        __notifications__.instrument(:monitoring, opts) do
          object.public_send(meth, *args, **kwargs, &block)
        end
      end
    end
  end
end