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

Example 41 with Bucket

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

the class MinBucketIT method testDocCountAsSubAgg.

public void testDocCountAsSubAgg() 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(minBucket("min_bucket", "histo>_count"))).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> minKeys = new ArrayList<>();
        double minValue = Double.POSITIVE_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() < minValue) {
                minValue = bucket.getDocCount();
                minKeys = new ArrayList<>();
                minKeys.add(bucket.getKeyAsString());
            } else if (bucket.getDocCount() == minValue) {
                minKeys.add(bucket.getKeyAsString());
            }
        }
        InternalBucketMetricValue minBucketValue = termsBucket.getAggregations().get("min_bucket");
        assertThat(minBucketValue, notNullValue());
        assertThat(minBucketValue.getName(), equalTo("min_bucket"));
        assertThat(minBucketValue.value(), equalTo(minValue));
        assertThat(minBucketValue.keys(), equalTo(minKeys.toArray(new String[minKeys.size()])));
    }
}

Example 42 with Bucket

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

the class DerivativeIT method testSingleValuedField_normalised.

/**
     * test first and second derivative on the sing
     */
public void testSingleValuedField_normalised() {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).minDocCount(0).subAggregation(derivative("deriv", "_count").unit("1ms")).subAggregation(derivative("2nd_deriv", "deriv").unit("10ms"))).execute().actionGet();
    assertSearchResponse(response);
    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = deriv.getBuckets();
    assertThat(buckets.size(), equalTo(numValueBuckets));
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = buckets.get(i);
        checkBucketKeyAndDocCount("InternalBucket " + i, bucket, i * interval, valueCounts[i]);
        Derivative docCountDeriv = bucket.getAggregations().get("deriv");
        if (i > 0) {
            assertThat(docCountDeriv, notNullValue());
            assertThat(docCountDeriv.value(), closeTo((firstDerivValueCounts[i - 1]), 0.00001));
            assertThat(docCountDeriv.normalizedValue(), closeTo((double) (firstDerivValueCounts[i - 1]) / 5, 0.00001));
        } else {
            assertThat(docCountDeriv, nullValue());
        }
        Derivative docCount2ndDeriv = bucket.getAggregations().get("2nd_deriv");
        if (i > 1) {
            assertThat(docCount2ndDeriv, notNullValue());
            assertThat(docCount2ndDeriv.value(), closeTo((secondDerivValueCounts[i - 2]), 0.00001));
            assertThat(docCount2ndDeriv.normalizedValue(), closeTo((double) (secondDerivValueCounts[i - 2]) * 2, 0.00001));
        } else {
            assertThat(docCount2ndDeriv, nullValue());
        }
    }
}

Example 43 with Bucket

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

the class DerivativeIT method testSingleValueAggDerivativeWithGaps.

public void testSingleValueAggDerivativeWithGaps() throws Exception {
    SearchResponse searchResponse = client().prepareSearch("empty_bucket_idx").setQuery(matchAllQuery()).addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(1).subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME)).subAggregation(derivative("deriv", "sum"))).execute().actionGet();
    assertThat(searchResponse.getHits().getTotalHits(), equalTo(numDocsEmptyIdx));
    Histogram deriv = searchResponse.getAggregations().get("histo");
    assertThat(deriv, Matchers.notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    List<Bucket> buckets = deriv.getBuckets();
    assertThat(buckets.size(), equalTo(valueCounts_empty.length));
    double lastSumValue = Double.NaN;
    for (int i = 0; i < valueCounts_empty.length; i++) {
        Histogram.Bucket bucket = buckets.get(i);
        checkBucketKeyAndDocCount("InternalBucket " + i, bucket, i, valueCounts_empty[i]);
        Sum sum = bucket.getAggregations().get("sum");
        double thisSumValue = sum.value();
        if (bucket.getDocCount() == 0) {
            thisSumValue = Double.NaN;
        }
        SimpleValue sumDeriv = bucket.getAggregations().get("deriv");
        if (i == 0) {
            assertThat(sumDeriv, nullValue());
        } else {
            double expectedDerivative = thisSumValue - lastSumValue;
            if (Double.isNaN(expectedDerivative)) {
                assertThat(sumDeriv.value(), equalTo(expectedDerivative));
            } else {
                assertThat(sumDeriv.value(), closeTo(expectedDerivative, 0.00001));
            }
        }
        lastSumValue = thisSumValue;
    }
}

Example 44 with Bucket

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

the class DerivativeIT method testSingleValueAggDerivative.

public void testSingleValueAggDerivative() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(SINGLE_VALUED_FIELD_NAME).interval(interval).subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME)).subAggregation(derivative("deriv", "sum"))).execute().actionGet();
    assertSearchResponse(response);
    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    assertThat(deriv.getBuckets().size(), equalTo(numValueBuckets));
    Object[] propertiesKeys = (Object[]) deriv.getProperty("_key");
    Object[] propertiesDocCounts = (Object[]) deriv.getProperty("_count");
    Object[] propertiesSumCounts = (Object[]) deriv.getProperty("sum.value");
    List<Bucket> buckets = new ArrayList<Bucket>(deriv.getBuckets());
    // start value, gets
    Long expectedSumPreviousBucket = Long.MIN_VALUE;
    // overwritten
    for (int i = 0; i < numValueBuckets; ++i) {
        Histogram.Bucket bucket = buckets.get(i);
        checkBucketKeyAndDocCount("InternalBucket " + i, bucket, i * interval, valueCounts[i]);
        Sum sum = bucket.getAggregations().get("sum");
        assertThat(sum, notNullValue());
        long expectedSum = valueCounts[i] * (i * interval);
        assertThat(sum.getValue(), equalTo((double) expectedSum));
        SimpleValue sumDeriv = bucket.getAggregations().get("deriv");
        if (i > 0) {
            assertThat(sumDeriv, notNullValue());
            long sumDerivValue = expectedSum - expectedSumPreviousBucket;
            assertThat(sumDeriv.value(), equalTo((double) sumDerivValue));
            assertThat((double) bucket.getProperty("histo", AggregationPath.parse("deriv.value").getPathElementsAsStringList()), equalTo((double) sumDerivValue));
        } else {
            assertThat(sumDeriv, nullValue());
        }
        expectedSumPreviousBucket = expectedSum;
        assertThat(propertiesKeys[i], equalTo((double) i * interval));
        assertThat((long) propertiesDocCounts[i], equalTo(valueCounts[i]));
        assertThat((double) propertiesSumCounts[i], equalTo((double) expectedSum));
    }
}

Example 45 with Bucket

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

the class BucketSelectorIT method testInlineScriptInsertZeros.

public void testInlineScriptInsertZeros() {
    Script script = new Script(ScriptType.INLINE, CustomScriptPlugin.NAME, "_value0 + _value1 > 100", Collections.emptyMap());
    SearchResponse response = client().prepareSearch("idx").addAggregation(histogram("histo").field(FIELD_1_NAME).interval(interval).subAggregation(sum("field2Sum").field(FIELD_2_NAME)).subAggregation(sum("field3Sum").field(FIELD_3_NAME)).subAggregation(bucketSelector("bucketSelector", script, "field2Sum", "field3Sum").gapPolicy(GapPolicy.INSERT_ZEROS))).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    for (int i = 0; i < buckets.size(); ++i) {
        Histogram.Bucket bucket = buckets.get(i);
        Sum field2Sum = bucket.getAggregations().get("field2Sum");
        assertThat(field2Sum, notNullValue());
        double field2SumValue = field2Sum.getValue();
        Sum field3Sum = bucket.getAggregations().get("field3Sum");
        assertThat(field3Sum, notNullValue());
        double field3SumValue = field3Sum.getValue();
        assertThat(field2SumValue + field3SumValue, greaterThan(100.0));
    }
}