content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.jstorm.metric;
  
  import com.alibaba.jstorm.common.metric.*;
  import com.codahale.metrics.Gauge;
  
  /**
   * simplified metrics, only for worker metrics. all metrics are logged locally without reporting to TM or nimbus.
   *
   * @author Cody (weiyue.wy@alibaba-inc.com)
   * @since 2.0.5
   */
  public class SimpleJStormMetric extends JStormMetrics {
      private static final long serialVersionUID = 7468005641982249536L;
  
      protected static final AsmMetricRegistry metrics = JStormMetrics.getWorkerMetrics();
  
      public static void updateNimbusHistogram(String name, Number obj) {
          updateHistogram(NIMBUS_METRIC_KEY, name, obj);
      }
  
      public static void updateSupervisorHistogram(String name, Number obj) {
          updateHistogram(SUPERVISOR_METRIC_KEY, name, obj);
      }
  
      public static void updateNimbusMeter(String name, Number obj) {
          updateMeter(NIMBUS_METRIC_KEY, name, obj);
      }
  
      public static void updateSupervisorMeter(String name, Number obj) {
          updateMeter(SUPERVISOR_METRIC_KEY, name, obj);
      }
  
      public static void updateNimbusCounter(String name, Number obj) {
          updateCounter(NIMBUS_METRIC_KEY, name, obj);
      }
  
      public static void updateSupervisorCounter(String name, Number obj) {
          updateCounter(SUPERVISOR_METRIC_KEY, name, obj);
      }
  
      public static void updateHistogram(String key, String name, Number obj) {
          String formalName = MetricUtils.workerMetricName(key, host, 0, name, MetricType.HISTOGRAM);
          AsmHistogram histogram = (AsmHistogram) metrics.getMetric(formalName);
          if (histogram == null) {
              histogram = registerHistogram(name);
          }
  
          histogram.update(obj);
      }
  
      public static void updateMeter(String key, String name, Number obj) {
          String formalName = MetricUtils.workerMetricName(key, host, 0, name, MetricType.METER);
          AsmMeter meter = (AsmMeter) metrics.getMetric(formalName);
          if (meter == null) {
              meter = registerMeter(name);
          }
  
          meter.update(obj);
      }
  
      public static void updateCounter(String key, String name, Number obj) {
          String formalName = MetricUtils.workerMetricName(key, host, 0, name, MetricType.COUNTER);
          AsmCounter counter = (AsmCounter) metrics.getMetric(formalName);
          if (counter == null) {
              counter = registerCounter(name);
          }
  
          counter.update(obj);
      }
  
      private static AsmGauge registerGauge(Gauge<Double> gauge, String name) {
          AsmGauge gauge1 = new AsmGauge(gauge);
          gauge1.setOp(AsmMetric.MetricOp.LOG);
  
          return registerWorkerGauge(topologyId, name, gauge1);
      }
  
      private static AsmHistogram registerHistogram(String name) {
          AsmHistogram histogram = new AsmHistogram();
          histogram.setOp(AsmMetric.MetricOp.LOG);
  
          return registerWorkerHistogram(NIMBUS_METRIC_KEY, name, histogram);
      }
  
      public static AsmMeter registerMeter(String name) {
          AsmMeter meter = new AsmMeter();
          meter.setOp(AsmMetric.MetricOp.LOG);
  
          return registerWorkerMeter(NIMBUS_METRIC_KEY, name, meter);
      }
  
      public static AsmCounter registerCounter(String name) {
          AsmCounter counter = new AsmCounter();
          counter.setOp(AsmMetric.MetricOp.LOG);
  
          return registerWorkerCounter(NIMBUS_METRIC_KEY, name, counter);
      }
  }
  