› Metrics › Source › Metrics › Config

`class Config`

Represents a configuration for the metrics library.

Definitions

`def self.load(path)`

Load the configuration from the given path.

Signature

parameter　path　String: The path to the configuration file.
returns　Config: The loaded configuration.

Implementation

def self.load(path)
	config = self.new
	
	if File.exist?(path)
		config.instance_eval(File.read(path), path)
	end
	
	return config
end

`def self.default`

Load the default configuration.

Signature

returns　Config: The default configuration.

Implementation

def self.default
	@default ||= self.load(DEFAULT_PATH)
end

`def prepare`

Prepare the backend, e.g. by loading additional libraries or instrumentation.

Implementation

def prepare
end

`def require_backend(env = ENV)`

Require a specific metrics backend implementation.

Implementation

def require_backend(env = ENV)
	if backend = env["METRICS_BACKEND"]
		begin
			if require(backend)
				Metrics.extend(Backend::Interface)
				
				return true
			end
		rescue LoadError => error
			warn "Unable to load metrics backend: #{backend.inspect}!"
		end
	end
	
	return false
end

`DEFAULT = self.default`

Load the default configuration.