com.yammer.metrics.Metrics.newGauge()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中com.yammer.metrics.Metrics.newGauge()方法的一些代码示例，展示了Metrics.newGauge()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Metrics.newGauge()方法的具体详情如下：
包路径：com.yammer.metrics.Metrics
类名称：Metrics
方法名：newGauge

Metrics.newGauge介绍

[英]Given a new com.yammer.metrics.core.Gauge, registers it under the given metric name.
[中]给一个新的com。亚默。韵律学。果心仪表，在给定的度量名称下注册。

代码示例

代码示例来源：origin: apache/incubator-pinot

/**
 *
 * Return an existing gauge if
 *  (a) A gauge already exist with the same metric name.
 * Otherwise, creates a new meter and registers
 *
 * @param registry MetricsRegistry
 * @param name metric name
 * @param gauge Underlying gauge to be tracked
 * @return gauge
 */
public static <T> Gauge<T> newGauge(MetricsRegistry registry, MetricName name, Gauge<T> gauge) {
 if (registry != null) {
  return registry.newGauge(name, gauge);
 } else {
  return Metrics.newGauge(name, gauge);
 }
}

代码示例来源：origin: lealone/Lealone

activeTasks = Metrics.newGauge(factory.createMetricName("ActiveTasks"), new Gauge<Integer>() {
  public Integer value() {
    return executor.getActiveCount();
pendingTasks = Metrics.newGauge(factory.createMetricName("PendingTasks"), new Gauge<Long>() {
  public Long value() {
    return executor.getPendingTasks();
totalBlocked = Metrics.newGauge(factory.createMetricName("TotalBlockedTasks"), new Gauge<Integer>() {
  public Integer value() {
    return executor.getTotalBlockedTasks();
currentBlocked = Metrics.newGauge(factory.createMetricName("CurrentlyBlockedTasks"), new Gauge<Long>() {
  public Long value() {
    return (long) executor.getCurrentlyBlockedTasks();
completedTasks = Metrics.newGauge(factory.createMetricName("CompletedTasks"), new Gauge<Long>() {
  public Long value() {
    return executor.getCompletedTasks();

代码示例来源：origin: lealone/Lealone

/**
 * Create metrics for given ThreadPoolExecutor.
 *
 * @param executor Thread pool
 * @param path Type of thread pool
 * @param poolName Name of thread pool to identify metrics
 */
public ThreadPoolMetrics(final ThreadPoolExecutor executor, String path, String poolName) {
  this.factory = new ThreadPoolMetricNameFactory("ThreadPools", path, poolName);
  activeTasks = Metrics.newGauge(factory.createMetricName("ActiveTasks"), new Gauge<Integer>() {
    public Integer value() {
      return executor.getActiveCount();
    }
  });
  totalBlocked = Metrics.newCounter(factory.createMetricName("TotalBlockedTasks"));
  currentBlocked = Metrics.newCounter(factory.createMetricName("CurrentlyBlockedTasks"));
  completedTasks = Metrics.newGauge(factory.createMetricName("CompletedTasks"), new Gauge<Long>() {
    public Long value() {
      return executor.getCompletedTaskCount();
    }
  });
  pendingTasks = Metrics.newGauge(factory.createMetricName("PendingTasks"), new Gauge<Long>() {
    public Long value() {
      return executor.getTaskCount() - executor.getCompletedTaskCount();
    }
  });
}

代码示例来源：origin: addthis/hydra

private static <T> void makeGauge(String name, Supplier<T> value) {
  Gauge<T> gauge = new Gauge<T>() {
    @Override public T value() {
      return value.get();
    }
  };
  Metrics.newGauge(SpawnBalancer.class, name, gauge);
}

代码示例来源：origin: wavefrontHQ/java

public void reportGauge(Number number, MetricName metricName) {
  Metrics.newGauge(metricName,
    new Gauge<Double>() {
     @Override
     public Double value() {
      return number.doubleValue();
     }
    }
  );
 }
}

代码示例来源：origin: com.wavefront/proxy

public void reportGauge(Number number, MetricName metricName) {
  Metrics.newGauge(metricName,
    new Gauge<Double>() {
     @Override
     public Double value() {
      return number.doubleValue();
     }
    }
  );
 }
}

代码示例来源：origin: com.yammer.dropwizard/dropwizard-db

private void setupGauges(final GenericObjectPool pool, String scope) {
    Metrics.newGauge(ManagedPooledDataSource.class, "numActive", scope, new Gauge<Integer>() {
      @Override
      public Integer value() {
        return pool.getNumActive();
      }
    });

    Metrics.newGauge(ManagedPooledDataSource.class, "numIdle", scope, new Gauge<Integer>() {
      @Override
      public Integer value() {
        return pool.getNumIdle();
      }
    });
  }
}

代码示例来源：origin: addthis/hydra

public JobOnFinishStateHandlerImpl(Spawn spawn) {
  this.spawn = spawn;
  backgroundTaskQueue = new LinkedBlockingQueue<>(backgroundQueueSize);
  backgroundService = new ThreadPoolExecutor(
      backgroundThreads, backgroundThreads, 0L, TimeUnit.MILLISECONDS, backgroundTaskQueue,
      new ThreadFactoryBuilder().setDaemon(true).build());
  emailLastFired = new AtomicLong();
  backgroundQueueGauge = Metrics.newGauge(
      Spawn.class, "backgroundExecutorQueue", new Gauge<Integer>() {
        @Override public Integer value() {
          return backgroundTaskQueue.size();
        }
      });
}

代码示例来源：origin: addthis/hydra

public AutobalanceTask(SpawnBalancer spawnBalancer) {
  this.spawnBalancer = spawnBalancer;
  this.minutesSinceLastBalanceGauge = new MinuteSinceLastBalanceGauge();
  Metrics.newGauge(AutobalanceTask.class, "minutesSinceLastBalance", minutesSinceLastBalanceGauge);
}

代码示例来源：origin: addthis/hydra

public static <T> SettableGauge<T> newSettableGauge(Class<?> klass, String name, T initial_value) {
    SettableGauge<T> gauge = new SettableGauge(initial_value);
    Metrics.newGauge(klass, name, gauge);
    return gauge;
  }
}

代码示例来源：origin: com.wavefront/proxy

public AbstractAgent(boolean localAgent, boolean pushAgent) {
 this.pushAgent = pushAgent;
 this.localAgent = localAgent;
 this.hostname = getLocalHostName();
 Metrics.newGauge(ExpectedAgentMetric.BUFFER_BYTES_LEFT.metricName,
   new Gauge<Long>() {
    @Override
    public Long value() {
     return bufferSpaceLeft.get();
    }
   }
 );
}

代码示例来源：origin: com.wavefront/java-lib

public static void set(long serverTime) {
 localTime = System.currentTimeMillis();
 Clock.serverTime = serverTime;
 clockDrift = serverTime - localTime;
 if (clockDriftGauge == null) {
  // doesn't have to be synchronized, ok to initialize clockDriftGauge more than once
  clockDriftGauge = Metrics.newGauge(new MetricName("clock", "", "drift"), new Gauge<Long>() {
   @Override
   public Long value() {
    return clockDrift == null ? null : (long)Math.floor(clockDrift / 1000 + 0.5d);
   }
  });
 }
}

代码示例来源：origin: wavefrontHQ/java

public AbstractAgent(boolean localAgent, boolean pushAgent) {
 this.pushAgent = pushAgent;
 this.localAgent = localAgent;
 this.hostname = getLocalHostName();
 Metrics.newGauge(ExpectedAgentMetric.BUFFER_BYTES_LEFT.metricName,
   new Gauge<Long>() {
    @Override
    public Long value() {
     return bufferSpaceLeft.get();
    }
   }
 );
}

代码示例来源：origin: wavefrontHQ/java

public static void set(long serverTime) {
 localTime = System.currentTimeMillis();
 Clock.serverTime = serverTime;
 clockDrift = serverTime - localTime;
 if (clockDriftGauge == null) {
  // doesn't have to be synchronized, ok to initialize clockDriftGauge more than once
  clockDriftGauge = Metrics.newGauge(new MetricName("clock", "", "drift"), new Gauge<Long>() {
   @Override
   public Long value() {
    return clockDrift == null ? null : (long)Math.floor(clockDrift / 1000 + 0.5d);
   }
  });
 }
}

代码示例来源：origin: com.facebook.presto.cassandra/cassandra-server

public void addCounter(String name, final Callable<Integer> provider)
  {
    Metrics.newGauge(factory.createMetricName(name), new Gauge<Integer>()
    {
      public Integer value()
      {
        try
        {
          return provider.call();
        }
        catch (Exception e)
        {
          throw new RuntimeException(e);
        }
      }
    });
  }
}

代码示例来源：origin: com.facebook.presto.cassandra/cassandra-server

/**
 * Create a gauge that will be part of a merged version of all column families.  The global gauge
 * is defined as the globalGauge parameter
 */
protected <G,T> Gauge<T> createColumnFamilyGauge(String name, Gauge<T> gauge, Gauge<G> globalGauge)
{
  Gauge<T> cfGauge = Metrics.newGauge(factory.createMetricName(name), gauge);
  if (register(name, cfGauge))
  {
    Metrics.newGauge(globalNameFactory.createMetricName(name), globalGauge);
  }
  return cfGauge;
}

代码示例来源：origin: com.facebook.presto.cassandra/cassandra-server

/**
 * Creates a gauge that will sum the current value of a metric for all column families in this keyspace
 * @param name
 * @param MetricValue 
 * @return Gauge&gt;Long> that computes sum of MetricValue.getValue()
 */
private <T extends Number> Gauge<Long> createKeyspaceGauge(String name, final MetricValue extractor)
{
  allMetrics.add(name);
  return Metrics.newGauge(factory.createMetricName(name), new Gauge<Long>()
  {
    public Long value()
    {
      long sum = 0;
      for (ColumnFamilyStore cf : keyspace.getColumnFamilyStores())
      {
        sum += extractor.getValue(cf.metric);
      }
      return sum;
    }
  });
}

代码示例来源：origin: com.wavefront/proxy

public CachingGraphiteHostAnnotator(@Nullable final List<String> customSourceTags, boolean disableRdnsLookup) {
 this.disableRdnsLookup = disableRdnsLookup;
 this.sourceTags = Lists.newArrayListWithExpectedSize(customSourceTags == null ? 4 : customSourceTags.size() + 4);
 this.sourceTags.add("source=");
 this.sourceTags.add("source\"=");
 this.sourceTags.add("host=");
 this.sourceTags.add("host\"=");
 if (customSourceTags != null) {
  this.sourceTags.addAll(customSourceTags.stream().map(customTag -> customTag + "=").collect(Collectors.toList()));
 }
 this.rdnsCache = disableRdnsLookup ? null : Caffeine.newBuilder()
   .maximumSize(5000)
   .refreshAfterWrite(5, TimeUnit.MINUTES)
   .build(InetAddress::getHostName);
 Metrics.newGauge(ExpectedAgentMetric.RDNS_CACHE_SIZE.metricName, new Gauge<Long>() {
  @Override
  public Long value() {
   return disableRdnsLookup ? 0 : rdnsCache.estimatedSize();
  }
 });
}

代码示例来源：origin: com.wavefront/proxy

ReportingObjectQueueWrapper(ObjectQueue<T> backingQueue, String title) {
 this.addCounter = Metrics.newCounter(new MetricName("tape." + title, "", "add"));
 this.removeCounter = Metrics.newCounter(new MetricName("tape." + title, "", "remove"));
 this.peekCounter = Metrics.newCounter(new MetricName("tape." + title, "", "peek"));
 Metrics.newGauge(new MetricName("tape." + title, "", "size"),
   new Gauge<Integer>() {
    @Override
    public Integer value() {
     return backingQueue.size();
    }
   });
 this.backingQueue = backingQueue;
}

代码示例来源：origin: wavefrontHQ/java

ReportingObjectQueueWrapper(ObjectQueue<T> backingQueue, String title) {
 this.addCounter = Metrics.newCounter(new MetricName("tape." + title, "", "add"));
 this.removeCounter = Metrics.newCounter(new MetricName("tape." + title, "", "remove"));
 this.peekCounter = Metrics.newCounter(new MetricName("tape." + title, "", "peek"));
 Metrics.newGauge(new MetricName("tape." + title, "", "size"),
   new Gauge<Integer>() {
    @Override
    public Integer value() {
     return backingQueue.size();
    }
   });
 this.backingQueue = backingQueue;
}

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