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JDBC Driver for Google Cloud Spanner

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/*
 * Copyright 2016, Google Inc.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in nl.topicus.jdbc.shaded.com.liance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.nl.topicus.jdbc.shaded.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 nl.topicus.jdbc.shaded.com.google.instrumentation.stats;

/**
 * Immutable representation of a MeasurementValue.
 */
public class MeasurementValue {

  /**
   * Constructs a measured value.
   */
  public static MeasurementValue create(MeasurementDescriptor name, double value) {
    return new MeasurementValue(name, value);
  }

  /**
   * Extracts the measured {@link MeasurementDescriptor}.
   */
  public MeasurementDescriptor getMeasurement() {
    return name;
  }

  /**
   * Extracts the associated value.
   */
  public double getValue() {
    return value;
  }

  private final MeasurementDescriptor name;
  private final double value;

  private MeasurementValue(MeasurementDescriptor name, double value) {
    this.name = name;
    this.value = value;
  }
}