module Metrics

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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

Constants

VERSION

Public Class Methods

Provider(klass, &block) click to toggle source

Extend the specified class in order to emit traces.

# File lib/metrics/provider.rb, line 41
def self.Provider(klass, &block)
        klass.extend(Provider)
        
        provider = klass.metrics_provider
        provider.extend(Backend::Interface)
        
        klass.prepend(provider)
        
        provider.module_exec(&block)
end

enabled?() click to toggle source

@returns [Boolean] Whether there is an active backend.

# File lib/metrics/provider.rb, line 27
def self.enabled?
        self.const_defined?(:Backend)
end

require_backend(env = ENV) click to toggle source

Require a specific trace backend.

# File lib/metrics/backend.rb, line 25
def self.require_backend(env = ENV)
        if path = env['METRICS_BACKEND']
                require(path)
        end
end