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Size: 1.31 KB
Versions: 11
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Contents
require 'dry/core/class_attributes'
module ROM
module Plugins
module Relation
# Experimental plugin for configuring relations with an external
# instrumentation system like dry-monitor or ActiveSupport::Notifications
#
# @api public
module Instrumentation
extend Dry::Core::ClassAttributes
# This hooks sets up a relation class with injectible notifications object
#
# @api private
def self.included(klass)
super
klass.option :notifications
klass.extend(ClassInterface)
klass.prepend(mixin)
klass.instrument(:to_a)
end
defines :mixin
mixin Module.new
module ClassInterface
def instrument(*methods)
(methods - Instrumentation.mixin.instance_methods).each do |meth|
Instrumentation.mixin.send(:define_method, meth) do
instrument { super() }
end
end
end
end
# @api public
def instrument(&block)
notifications.instrument(self.class.adapter, name: name.relation, **notification_payload(self), &block)
end
private
# @api private
def notification_payload(relation)
EMPTY_HASH
end
end
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems