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 org.apache.beam.runners.core.metrics;
  
  import org.apache.beam.sdk.metrics.Counter;
  import org.apache.beam.sdk.metrics.DelegatingCounter;
  import org.apache.beam.sdk.metrics.DelegatingDistribution;
  import org.apache.beam.sdk.metrics.DelegatingHistogram;
  import org.apache.beam.sdk.metrics.Distribution;
  import org.apache.beam.sdk.metrics.Histogram;
  import org.apache.beam.sdk.util.HistogramData;
  
  /**
   * Define a metric on the current MetricContainer with a specific URN and a set of labels. This is a
   * more convenient way to collect the necessary fields to repackage the metric into a MonitoringInfo
   * proto later. Intended for internal use only (SDK and RunnerHarness developement).
   */
  public class LabeledMetrics {
    /**
     * Create a metric that can be incremented and decremented, and is aggregated by taking the sum.
     */
    public static Counter counter(MonitoringInfoMetricName metricName) {
      return new DelegatingCounter(metricName);
    }
  
    public static Counter counter(MonitoringInfoMetricName metricName, boolean processWideContainer) {
      return new DelegatingCounter(metricName, processWideContainer);
    }
  
    public static Distribution distribution(MonitoringInfoMetricName metricName) {
      return new DelegatingDistribution(metricName);
    }
  
    public static Histogram histogram(
        MonitoringInfoMetricName metricName,
        HistogramData.BucketType bucketType,
        boolean processWideContainer) {
      return new DelegatingHistogram(metricName, bucketType, processWideContainer);
    }
  }
  