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require 'set'
module RR
module Integrations
end
def self.register_adapter(klass)
adapter = Integrations::Decorator.new(klass.new)
unless adapters_by_name.key?(adapter.name)
adapters << adapter
adapters_by_name[adapter.name] = adapter
end
end
def self.adapters
@adapters ||= []
end
def self.adapters_by_name
@adapters_by_name ||= {}
end
def self.loaded_adapter_names
adapters.
select { |adapter| adapter.loaded? }.
map { |adapter| adapter.name }
end
def self.applicable_adapters
adapters.select { |adapter| adapter.applies? }
end
def self.find_applicable_adapter(name)
adapters.
select { |adapter| name === adapter.name.to_s }.
find { |adapter| adapter.applies? }
end
def self.module_shim_for_adapter(adapter)
mod = Module.new
(class << mod; self; end).class_eval do
define_method(:included) do |base|
# Note: This assumes that the thing that is including this module
# is the same that the adapter detected and will hook into.
adapter.load
end
end
mod
end
end
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