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

Example 61 with Histogram

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

the class ExtendedStatsBucketIT method testMetricAsSubAggWithInsertZeros.

public void testMetricAsSubAggWithInsertZeros() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(terms("terms").field("tag").order(Order.term(true)).subAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).extendedBounds(minRandomValue, maxRandomValue).subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME))).subAggregation(extendedStatsBucket("extended_stats_bucket", "histo>sum").gapPolicy(GapPolicy.INSERT_ZEROS))).execute().actionGet();
    assertSearchResponse(response);
    Terms terms = response.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    assertThat(terms.getName(), equalTo("terms"));
    List<Terms.Bucket> termsBuckets = terms.getBuckets();
    assertThat(termsBuckets.size(), equalTo(interval));
    for (int i = 0; i < interval; ++i) {
        Terms.Bucket termsBucket = termsBuckets.get(i);
        assertThat(termsBucket, notNullValue());
        assertThat((String) termsBucket.getKey(), equalTo("tag" + (i % interval)));
        Histogram histo = termsBucket.getAggregations().get("histo");
        assertThat(histo, notNullValue());
        assertThat(histo.getName(), equalTo("histo"));
        List<? extends Bucket> buckets = histo.getBuckets();
        double bucketSum = 0;
        int count = 0;
        double min = Double.POSITIVE_INFINITY;
        double max = Double.NEGATIVE_INFINITY;
        double sumOfSquares = 0;
        for (int j = 0; j < numValueBuckets; ++j) {
            Histogram.Bucket bucket = buckets.get(j);
            assertThat(bucket, notNullValue());
            assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
            Sum sum = bucket.getAggregations().get("sum");
            assertThat(sum, notNullValue());
            count++;
            bucketSum += sum.value();
            min = Math.min(min, sum.value());
            max = Math.max(max, sum.value());
            sumOfSquares += sum.value() * sum.value();
        }
        double avgValue = count == 0 ? Double.NaN : (bucketSum / count);
        ExtendedStatsBucket extendedStatsBucketValue = termsBucket.getAggregations().get("extended_stats_bucket");
        assertThat(extendedStatsBucketValue, notNullValue());
        assertThat(extendedStatsBucketValue.getName(), equalTo("extended_stats_bucket"));
        assertThat(extendedStatsBucketValue.getAvg(), equalTo(avgValue));
        assertThat(extendedStatsBucketValue.getMin(), equalTo(min));
        assertThat(extendedStatsBucketValue.getMax(), equalTo(max));
        assertThat(extendedStatsBucketValue.getSumOfSquares(), equalTo(sumOfSquares));
    }
}

Example 62 with Histogram

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

the class MaxBucketIT method testMetricAsSubAgg.

public void testMetricAsSubAgg() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(terms("terms").field("tag").order(Order.term(true)).subAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).extendedBounds(minRandomValue, maxRandomValue).subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME))).subAggregation(maxBucket("max_bucket", "histo>sum"))).execute().actionGet();
    assertSearchResponse(response);
    Terms terms = response.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    assertThat(terms.getName(), equalTo("terms"));
    List<Terms.Bucket> termsBuckets = terms.getBuckets();
    assertThat(termsBuckets.size(), equalTo(interval));
    for (int i = 0; i < interval; ++i) {
        Terms.Bucket termsBucket = termsBuckets.get(i);
        assertThat(termsBucket, notNullValue());
        assertThat((String) termsBucket.getKey(), equalTo("tag" + (i % interval)));
        Histogram histo = termsBucket.getAggregations().get("histo");
        assertThat(histo, notNullValue());
        assertThat(histo.getName(), equalTo("histo"));
        List<? extends Bucket> buckets = histo.getBuckets();
        List<String> maxKeys = new ArrayList<>();
        double maxValue = Double.NEGATIVE_INFINITY;
        for (int j = 0; j < numValueBuckets; ++j) {
            Histogram.Bucket bucket = buckets.get(j);
            assertThat(bucket, notNullValue());
            assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
            if (bucket.getDocCount() != 0) {
                Sum sum = bucket.getAggregations().get("sum");
                assertThat(sum, notNullValue());
                if (sum.value() > maxValue) {
                    maxValue = sum.value();
                    maxKeys = new ArrayList<>();
                    maxKeys.add(bucket.getKeyAsString());
                } else if (sum.value() == maxValue) {
                    maxKeys.add(bucket.getKeyAsString());
                }
            }
        }
        InternalBucketMetricValue maxBucketValue = termsBucket.getAggregations().get("max_bucket");
        assertThat(maxBucketValue, notNullValue());
        assertThat(maxBucketValue.getName(), equalTo("max_bucket"));
        assertThat(maxBucketValue.value(), equalTo(maxValue));
        assertThat(maxBucketValue.keys(), equalTo(maxKeys.toArray(new String[maxKeys.size()])));
    }
}

Example 63 with Histogram

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

the class MaxBucketIT method testNested.

public void testNested() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(terms("terms").field("tag").order(Order.term(true)).subAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).extendedBounds(minRandomValue, maxRandomValue)).subAggregation(maxBucket("max_histo_bucket", "histo>_count"))).addAggregation(maxBucket("max_terms_bucket", "terms>max_histo_bucket")).execute().actionGet();
    assertSearchResponse(response);
    Terms terms = response.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    assertThat(terms.getName(), equalTo("terms"));
    List<Terms.Bucket> termsBuckets = terms.getBuckets();
    assertThat(termsBuckets.size(), equalTo(interval));
    List<String> maxTermsKeys = new ArrayList<>();
    double maxTermsValue = Double.NEGATIVE_INFINITY;
    for (int i = 0; i < interval; ++i) {
        Terms.Bucket termsBucket = termsBuckets.get(i);
        assertThat(termsBucket, notNullValue());
        assertThat((String) termsBucket.getKey(), equalTo("tag" + (i % interval)));
        Histogram histo = termsBucket.getAggregations().get("histo");
        assertThat(histo, notNullValue());
        assertThat(histo.getName(), equalTo("histo"));
        List<? extends Bucket> buckets = histo.getBuckets();
        List<String> maxHistoKeys = new ArrayList<>();
        double maxHistoValue = Double.NEGATIVE_INFINITY;
        for (int j = 0; j < numValueBuckets; ++j) {
            Histogram.Bucket bucket = buckets.get(j);
            assertThat(bucket, notNullValue());
            assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
            if (bucket.getDocCount() > maxHistoValue) {
                maxHistoValue = bucket.getDocCount();
                maxHistoKeys = new ArrayList<>();
                maxHistoKeys.add(bucket.getKeyAsString());
            } else if (bucket.getDocCount() == maxHistoValue) {
                maxHistoKeys.add(bucket.getKeyAsString());
            }
        }
        InternalBucketMetricValue maxBucketValue = termsBucket.getAggregations().get("max_histo_bucket");
        assertThat(maxBucketValue, notNullValue());
        assertThat(maxBucketValue.getName(), equalTo("max_histo_bucket"));
        assertThat(maxBucketValue.value(), equalTo(maxHistoValue));
        assertThat(maxBucketValue.keys(), equalTo(maxHistoKeys.toArray(new String[maxHistoKeys.size()])));
        if (maxHistoValue > maxTermsValue) {
            maxTermsValue = maxHistoValue;
            maxTermsKeys = new ArrayList<>();
            maxTermsKeys.add(termsBucket.getKeyAsString());
        } else if (maxHistoValue == maxTermsValue) {
            maxTermsKeys.add(termsBucket.getKeyAsString());
        }
    }
    InternalBucketMetricValue maxBucketValue = response.getAggregations().get("max_terms_bucket");
    assertThat(maxBucketValue, notNullValue());
    assertThat(maxBucketValue.getName(), equalTo("max_terms_bucket"));
    assertThat(maxBucketValue.value(), equalTo(maxTermsValue));
    assertThat(maxBucketValue.keys(), equalTo(maxTermsKeys.toArray(new String[maxTermsKeys.size()])));
}

Example 64 with Histogram

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

the class MaxBucketIT method testMetricAsSubAggOfSingleBucketAgg.

public void testMetricAsSubAggOfSingleBucketAgg() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(filter("filter", termQuery("tag", "tag0")).subAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).extendedBounds(minRandomValue, maxRandomValue).subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME))).subAggregation(maxBucket("max_bucket", "histo>sum"))).execute().actionGet();
    assertSearchResponse(response);
    Filter filter = response.getAggregations().get("filter");
    assertThat(filter, notNullValue());
    assertThat(filter.getName(), equalTo("filter"));
    Histogram histo = filter.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    List<String> maxKeys = new ArrayList<>();
    double maxValue = Double.NEGATIVE_INFINITY;
    for (int j = 0; j < numValueBuckets; ++j) {
        Histogram.Bucket bucket = buckets.get(j);
        assertThat(bucket, notNullValue());
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
        if (bucket.getDocCount() != 0) {
            Sum sum = bucket.getAggregations().get("sum");
            assertThat(sum, notNullValue());
            if (sum.value() > maxValue) {
                maxValue = sum.value();
                maxKeys = new ArrayList<>();
                maxKeys.add(bucket.getKeyAsString());
            } else if (sum.value() == maxValue) {
                maxKeys.add(bucket.getKeyAsString());
            }
        }
    }
    InternalBucketMetricValue maxBucketValue = filter.getAggregations().get("max_bucket");
    assertThat(maxBucketValue, notNullValue());
    assertThat(maxBucketValue.getName(), equalTo("max_bucket"));
    assertThat(maxBucketValue.value(), equalTo(maxValue));
    assertThat(maxBucketValue.keys(), equalTo(maxKeys.toArray(new String[maxKeys.size()])));
}

Example 65 with Histogram

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

the class MaxBucketIT method testMetricAsSubAggWithInsertZeros.

public void testMetricAsSubAggWithInsertZeros() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(terms("terms").field("tag").order(Order.term(true)).subAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).extendedBounds(minRandomValue, maxRandomValue).subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME))).subAggregation(maxBucket("max_bucket", "histo>sum").gapPolicy(GapPolicy.INSERT_ZEROS))).execute().actionGet();
    assertSearchResponse(response);
    Terms terms = response.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    assertThat(terms.getName(), equalTo("terms"));
    List<Terms.Bucket> termsBuckets = terms.getBuckets();
    assertThat(termsBuckets.size(), equalTo(interval));
    for (int i = 0; i < interval; ++i) {
        Terms.Bucket termsBucket = termsBuckets.get(i);
        assertThat(termsBucket, notNullValue());
        assertThat((String) termsBucket.getKey(), equalTo("tag" + (i % interval)));
        Histogram histo = termsBucket.getAggregations().get("histo");
        assertThat(histo, notNullValue());
        assertThat(histo.getName(), equalTo("histo"));
        List<? extends Bucket> buckets = histo.getBuckets();
        List<String> maxKeys = new ArrayList<>();
        double maxValue = Double.NEGATIVE_INFINITY;
        for (int j = 0; j < numValueBuckets; ++j) {
            Histogram.Bucket bucket = buckets.get(j);
            assertThat(bucket, notNullValue());
            assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
            Sum sum = bucket.getAggregations().get("sum");
            assertThat(sum, notNullValue());
            if (sum.value() > maxValue) {
                maxValue = sum.value();
                maxKeys = new ArrayList<>();
                maxKeys.add(bucket.getKeyAsString());
            } else if (sum.value() == maxValue) {
                maxKeys.add(bucket.getKeyAsString());
            }
        }
        InternalBucketMetricValue maxBucketValue = termsBucket.getAggregations().get("max_bucket");
        assertThat(maxBucketValue, notNullValue());
        assertThat(maxBucketValue.getName(), equalTo("max_bucket"));
        assertThat(maxBucketValue.value(), equalTo(maxValue));
        assertThat(maxBucketValue.keys(), equalTo(maxKeys.toArray(new String[maxKeys.size()])));
    }
}