Contents

if RUBY_PLATFORM == "java"
  java_import 'com.codahale.metrics.Gauge'
  java_import 'com.codahale.metrics.Histogram'
  java_import 'com.codahale.metrics.JmxReporter'
  java_import 'com.codahale.metrics.MetricRegistry'
  java_import 'java.util.concurrent.TimeUnit'

  class Histogram
    java_alias :update_long, :update, [Java::long]
  end

  module Metrics
    @registry = MetricRegistry.new
    @reporters = []

    def self.start
      @period = $conf.metrics.interval
      @unit = TimeUnit::SECONDS
      JmxReporter.forRegistry(@registry).build.start
      Signal.register_shutdown_handler { stop }
    end

    def self.stop
      @reporters.each do |reporter|
        reporter.run if reporter.respond_to?(:run)
        reporter.stop
      end
      @reporters.clear
    end

    def self.register_reporter(reporter)
      reporter.start(@period, @unit)
      @reporters << reporter
    end

    def self.registry
      @registry
    end

    def self.gauge(name, handler)
      registry.register(name, handler)
    end

    def self.counter(name)
      registry.counter(name)
    end

    def self.meter(name)
      registry.meter(name)
    end

    def self.histogram(name)
      registry.histogram(name)
    end

    def self.timer(name)
      registry.timer(name)
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
liquid-ext-3.5.3	lib/liquid/metrics.rb
liquid-ext-3.5.2	lib/liquid/metrics.rb
liquid-ext-3.5.0	lib/liquid/metrics.rb