package com.atlassian.vcache.internal.core.metrics;
   
   import com.atlassian.vcache.internal.LongMetric;
   
   /**
    * Implementation of the {@link LongMetric} interface that is <b>NOT</b> multi-thread safe.
    *
    * @since 1.0.0
    */
  public class DefaultLongMetric implements LongMetric {
      private long sampleCount;
      private long samplesTotal;
      private long minSample = Long.MAX_VALUE;
      private long maxSample = Long.MIN_VALUE;
  
      /**
       * Records a sample.
       *
       * @param sample the sample to be recorded
       */
      public void record(long sample) {
          sampleCount++;
          samplesTotal += sample;
          minSample = Math.min(sample, minSample);
          maxSample = Math.max(sample, maxSample);
      }
  
      @Override
      public long getSampleCount() {
          return sampleCount;
      }
  
      @Override
      public long getSamplesTotal() {
          return samplesTotal;
      }
  
      @Override
      public long getMinSample() {
          return minSample;
      }
  
      @Override
      public long getMaxSample() {
          return maxSample;
      }
  
      @Override
      public String toString() {
          return "DefaultLongMetric{" +
                  "sampleCount=" + sampleCount +
                  ", samplesTotal=" + samplesTotal +
                  ", minSample=" + minSample +
                  ", maxSample=" + maxSample +
                  '}';
      }
  }