private void processJVMClassMetrics(long processId, long startMillis, long stopMillis) { JvmClassMetrics classMetrics = new JvmClassMetrics(ManagementFactory.getClassLoadingMXBean()); classMetricsProcessor.beforeProcess(processId, startMillis, stopMillis); try { classMetricsProcessor.process(classMetrics, processId, startMillis, stopMillis); } finally { classMetricsProcessor.afterProcess(processId, startMillis, stopMillis); } }