Examples with Histogram org.elasticsearch.search.aggregations.bucket.histogram.Histogram used on opensource projects

Example 51 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class HDRPercentilesIT method testEmptyAggregation.

@Override
public void testEmptyAggregation() throws Exception {
    int sigDigits = randomSignificantDigits();
    SearchResponse searchResponse = client().prepareSearch("empty_bucket_idx").setQuery(matchAllQuery()).addAggregation(histogram("histo").field("value").interval(1L).minDocCount(0).subAggregation(percentiles("percentiles").field("value").numberOfSignificantValueDigits(sigDigits).method(PercentilesMethod.HDR).percentiles(10, 15))).execute().actionGet();
    assertThat(searchResponse.getHits().getTotalHits(), equalTo(2L));
    Histogram histo = searchResponse.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    Histogram.Bucket bucket = histo.getBuckets().get(1);
    assertThat(bucket, notNullValue());
    Percentiles percentiles = bucket.getAggregations().get("percentiles");
    assertThat(percentiles, notNullValue());
    assertThat(percentiles.getName(), equalTo("percentiles"));
    assertThat(percentiles.percentile(10), equalTo(Double.NaN));
    assertThat(percentiles.percentile(15), equalTo(Double.NaN));
}

Example 52 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class ScriptedMetricIT method testInitMapCombineReduceWithParamsAsSubAgg.

public void testInitMapCombineReduceWithParamsAsSubAgg() {
    Map<String, Object> varsMap = new HashMap<>();
    varsMap.put("multiplier", 1);
    Map<String, Object> params = new HashMap<>();
    params.put("_agg", new ArrayList<>());
    params.put("vars", varsMap);
    Script initScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "vars.multiplier = 3", Collections.emptyMap());
    Script mapScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "_agg.add(vars.multiplier)", Collections.emptyMap());
    Script combineScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "sum agg values as a new aggregation", Collections.emptyMap());
    Script reduceScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "sum aggs of agg values as a new aggregation", Collections.emptyMap());
    SearchResponse response = client().prepareSearch("idx").setQuery(matchAllQuery()).setSize(1000).addAggregation(histogram("histo").field("l_value").interval(1).subAggregation(scriptedMetric("scripted").params(params).initScript(initScript).mapScript(mapScript).combineScript(combineScript).reduceScript(reduceScript))).get();
    assertSearchResponse(response);
    assertThat(response.getHits().getTotalHits(), equalTo(numDocs));
    Aggregation aggregation = response.getAggregations().get("histo");
    assertThat(aggregation, notNullValue());
    assertThat(aggregation, instanceOf(Histogram.class));
    Histogram histoAgg = (Histogram) aggregation;
    assertThat(histoAgg.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histoAgg.getBuckets();
    assertThat(buckets, notNullValue());
    for (Bucket b : buckets) {
        assertThat(b, notNullValue());
        assertThat(b.getDocCount(), equalTo(1L));
        Aggregations subAggs = b.getAggregations();
        assertThat(subAggs, notNullValue());
        assertThat(subAggs.asList().size(), equalTo(1));
        Aggregation subAgg = subAggs.get("scripted");
        assertThat(subAgg, notNullValue());
        assertThat(subAgg, instanceOf(ScriptedMetric.class));
        ScriptedMetric scriptedMetricAggregation = (ScriptedMetric) subAgg;
        assertThat(scriptedMetricAggregation.getName(), equalTo("scripted"));
        assertThat(scriptedMetricAggregation.aggregation(), notNullValue());
        assertThat(scriptedMetricAggregation.aggregation(), instanceOf(ArrayList.class));
        List<?> aggregationList = (List<?>) scriptedMetricAggregation.aggregation();
        assertThat(aggregationList.size(), equalTo(1));
        Object object = aggregationList.get(0);
        assertThat(object, notNullValue());
        assertThat(object, instanceOf(Number.class));
        assertThat(((Number) object).longValue(), equalTo(3L));
    }
}

Example 53 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class ScriptedMetricIT method testEmptyAggregation.

public void testEmptyAggregation() throws Exception {
    Map<String, Object> varsMap = new HashMap<>();
    varsMap.put("multiplier", 1);
    Map<String, Object> params = new HashMap<>();
    params.put("_agg", new ArrayList<>());
    params.put("vars", varsMap);
    Script initScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "vars.multiplier = 3", Collections.emptyMap());
    Script mapScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "_agg.add(vars.multiplier)", Collections.emptyMap());
    Script combineScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "sum agg values as a new aggregation", Collections.emptyMap());
    Script reduceScript = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "sum aggs of agg values as a new aggregation", Collections.emptyMap());
    SearchResponse searchResponse = client().prepareSearch("empty_bucket_idx").setQuery(matchAllQuery()).addAggregation(histogram("histo").field("value").interval(1L).minDocCount(0).subAggregation(scriptedMetric("scripted").params(params).initScript(initScript).mapScript(mapScript).combineScript(combineScript).reduceScript(reduceScript))).get();
    assertThat(searchResponse.getHits().getTotalHits(), equalTo(2L));
    Histogram histo = searchResponse.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    Histogram.Bucket bucket = histo.getBuckets().get(1);
    assertThat(bucket, notNullValue());
    ScriptedMetric scriptedMetric = bucket.getAggregations().get("scripted");
    assertThat(scriptedMetric, notNullValue());
    assertThat(scriptedMetric.getName(), equalTo("scripted"));
    assertThat(scriptedMetric.aggregation(), notNullValue());
    assertThat(scriptedMetric.aggregation(), instanceOf(List.class));
    // We'll just get a ClassCastException a couple lines down if we're wrong, its ok.
    @SuppressWarnings("unchecked") List<Integer> aggregationResult = (List<Integer>) scriptedMetric.aggregation();
    assertThat(aggregationResult.size(), equalTo(1));
    assertThat(aggregationResult.get(0), equalTo(0));
}

Example 54 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class StatsIT method testEmptyAggregation.

@Override
public void testEmptyAggregation() throws Exception {
    SearchResponse searchResponse = client().prepareSearch("empty_bucket_idx").setQuery(matchAllQuery()).addAggregation(histogram("histo").field("value").interval(1L).minDocCount(0).subAggregation(stats("stats").field("value"))).execute().actionGet();
    assertShardExecutionState(searchResponse, 0);
    assertThat(searchResponse.getHits().getTotalHits(), equalTo(2L));
    Histogram histo = searchResponse.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    Histogram.Bucket bucket = histo.getBuckets().get(1);
    assertThat(bucket, notNullValue());
    Stats stats = bucket.getAggregations().get("stats");
    assertThat(stats, notNullValue());
    assertThat(stats.getName(), equalTo("stats"));
    assertThat(stats.getCount(), equalTo(0L));
    assertThat(stats.getSum(), equalTo(0.0));
    assertThat(stats.getMin(), equalTo(Double.POSITIVE_INFINITY));
    assertThat(stats.getMax(), equalTo(Double.NEGATIVE_INFINITY));
    assertThat(Double.isNaN(stats.getAvg()), is(true));
}

Example 55 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class AvgBucketIT method testDocCountTopLevel.

public void testDocCountTopLevel() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).extendedBounds(minRandomValue, maxRandomValue)).addAggregation(avgBucket("avg_bucket", "histo>_count")).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(numValueBuckets));
    double sum = 0;
    int count = 0;
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) i * interval));
        assertThat(bucket.getDocCount(), equalTo(valueCounts[i]));
        count++;
        sum += bucket.getDocCount();
    }
    double avgValue = count == 0 ? Double.NaN : (sum / count);
    InternalSimpleValue avgBucketValue = response.getAggregations().get("avg_bucket");
    assertThat(avgBucketValue, notNullValue());
    assertThat(avgBucketValue.getName(), equalTo("avg_bucket"));
    assertThat(avgBucketValue.value(), equalTo(avgValue));
}