jmesnil / jmx4r

a JMX library for JRuby

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jmx4r / examples / class_loading.rb
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#!/usr/bin/env jruby
require 'rubygems'
require 'jmx4r'
 
class_loading = JMX::MBean.find_by_name "java.lang:type=ClassLoading"
 
# implicit way...
class_loading.attributes.keys.each { |attr| puts "#{attr}: #{class_loading.send attr}"}
 
puts "--"
 
# ... or explicit
puts "loaded class count: #{class_loading.loaded_class_count}"
puts "total loaded class count: #{class_loading.total_loaded_class_count}"
puts "unloaded class count: #{class_loading.unloaded_class_count}"
puts "verbose: #{class_loading.verbose}"