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• avaje-metric-api
• 5.1.1
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• GaugeDouble.java

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org.avaje.metric.GaugeDouble Maven / Gradle / Ivy

package org.avaje.metric;

/**
 * A Gauge returning a double value providing the 'source' for a {@link GaugeDoubleMetric}.
 * 

 * A Gauge typically doesn't represent an "Event" but the current value of a resource like 'active
 * threads' or 'used memory' etc.
 * 
 * @see GaugeDoubleMetric
 */
public interface GaugeDouble {

  /**
   * Return the current value.
   */
  double getValue();

}