runners/jet/src/main/java/org/apache/beam/runners/jet/metrics/GaugeImpl.java

/*
 * 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
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package org.apache.beam.runners.jet.metrics;

import org.apache.beam.runners.core.metrics.GaugeData;
import org.apache.beam.sdk.metrics.Gauge;
import org.apache.beam.sdk.metrics.MetricName;

/** Implementation of {@link Gauge}. */
public class GaugeImpl extends AbstractMetric<GaugeData> implements Gauge {

  private GaugeData gaugeData = GaugeData.empty();

  public GaugeImpl(MetricName name) {
    super(name);
  }

  @Override
  GaugeData getValue() {
    return gaugeData;
  }

  @Override
  public void set(long value) {
    gaugeData = GaugeData.create(value);
  }
}