stats-aggregation.asciidoc 1.1 KB

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  1. [[java-aggs-metrics-stats]]
  2. ==== Stats Aggregation
  3. Here is how you can use
  4. {ref}/search-aggregations-metrics-stats-aggregation.html[Stats Aggregation]
  5. with Java API.
  6. ===== Prepare aggregation request
  7. Here is an example on how to create the aggregation request:
  8. [source,java]
  9. --------------------------------------------------
  10. MetricsAggregationBuilder aggregation =
  11. AggregationBuilders
  12. .stats("agg")
  13. .field("height");
  14. --------------------------------------------------
  15. ===== Use aggregation response
  16. Import Aggregation definition classes:
  17. [source,java]
  18. --------------------------------------------------
  19. import org.elasticsearch.search.aggregations.metrics.stats.Stats;
  20. --------------------------------------------------
  21. [source,java]
  22. --------------------------------------------------
  23. // sr is here your SearchResponse object
  24. Stats agg = sr.getAggregations().get("agg");
  25. double min = agg.getMin();
  26. double max = agg.getMax();
  27. double avg = agg.getAvg();
  28. double sum = agg.getSum();
  29. long count = agg.getCount();
  30. --------------------------------------------------