Examples with NestedAggregationBuilder org.elasticsearch.search.aggregations.bucket.nested.NestedAggregationBuilder used on opensource projects

Example 1 with NestedAggregationBuilder

use of org.elasticsearch.search.aggregations.bucket.nested.NestedAggregationBuilder in project elasticsearch by elastic.

the class SearchModule method registerAggregations.

private void registerAggregations(List<SearchPlugin> plugins) {
    registerAggregation(new AggregationSpec(AvgAggregationBuilder.NAME, AvgAggregationBuilder::new, AvgAggregationBuilder::parse).addResultReader(InternalAvg::new));
    registerAggregation(new AggregationSpec(SumAggregationBuilder.NAME, SumAggregationBuilder::new, SumAggregationBuilder::parse).addResultReader(InternalSum::new));
    registerAggregation(new AggregationSpec(MinAggregationBuilder.NAME, MinAggregationBuilder::new, MinAggregationBuilder::parse).addResultReader(InternalMin::new));
    registerAggregation(new AggregationSpec(MaxAggregationBuilder.NAME, MaxAggregationBuilder::new, MaxAggregationBuilder::parse).addResultReader(InternalMax::new));
    registerAggregation(new AggregationSpec(StatsAggregationBuilder.NAME, StatsAggregationBuilder::new, StatsAggregationBuilder::parse).addResultReader(InternalStats::new));
    registerAggregation(new AggregationSpec(ExtendedStatsAggregationBuilder.NAME, ExtendedStatsAggregationBuilder::new, ExtendedStatsAggregationBuilder::parse).addResultReader(InternalExtendedStats::new));
    registerAggregation(new AggregationSpec(ValueCountAggregationBuilder.NAME, ValueCountAggregationBuilder::new, ValueCountAggregationBuilder::parse).addResultReader(InternalValueCount::new));
    registerAggregation(new AggregationSpec(PercentilesAggregationBuilder.NAME, PercentilesAggregationBuilder::new, PercentilesAggregationBuilder::parse).addResultReader(InternalTDigestPercentiles.NAME, InternalTDigestPercentiles::new).addResultReader(InternalHDRPercentiles.NAME, InternalHDRPercentiles::new));
    registerAggregation(new AggregationSpec(PercentileRanksAggregationBuilder.NAME, PercentileRanksAggregationBuilder::new, PercentileRanksAggregationBuilder::parse).addResultReader(InternalTDigestPercentileRanks.NAME, InternalTDigestPercentileRanks::new).addResultReader(InternalHDRPercentileRanks.NAME, InternalHDRPercentileRanks::new));
    registerAggregation(new AggregationSpec(CardinalityAggregationBuilder.NAME, CardinalityAggregationBuilder::new, CardinalityAggregationBuilder::parse).addResultReader(InternalCardinality::new));
    registerAggregation(new AggregationSpec(GlobalAggregationBuilder.NAME, GlobalAggregationBuilder::new, GlobalAggregationBuilder::parse).addResultReader(InternalGlobal::new));
    registerAggregation(new AggregationSpec(MissingAggregationBuilder.NAME, MissingAggregationBuilder::new, MissingAggregationBuilder::parse).addResultReader(InternalMissing::new));
    registerAggregation(new AggregationSpec(FilterAggregationBuilder.NAME, FilterAggregationBuilder::new, FilterAggregationBuilder::parse).addResultReader(InternalFilter::new));
    registerAggregation(new AggregationSpec(FiltersAggregationBuilder.NAME, FiltersAggregationBuilder::new, FiltersAggregationBuilder::parse).addResultReader(InternalFilters::new));
    registerAggregation(new AggregationSpec(AdjacencyMatrixAggregationBuilder.NAME, AdjacencyMatrixAggregationBuilder::new, AdjacencyMatrixAggregationBuilder.getParser()).addResultReader(InternalAdjacencyMatrix::new));
    registerAggregation(new AggregationSpec(SamplerAggregationBuilder.NAME, SamplerAggregationBuilder::new, SamplerAggregationBuilder::parse).addResultReader(InternalSampler.NAME, InternalSampler::new).addResultReader(UnmappedSampler.NAME, UnmappedSampler::new));
    registerAggregation(new AggregationSpec(DiversifiedAggregationBuilder.NAME, DiversifiedAggregationBuilder::new, DiversifiedAggregationBuilder::parse));
    registerAggregation(new AggregationSpec(TermsAggregationBuilder.NAME, TermsAggregationBuilder::new, TermsAggregationBuilder::parse).addResultReader(StringTerms.NAME, StringTerms::new).addResultReader(UnmappedTerms.NAME, UnmappedTerms::new).addResultReader(LongTerms.NAME, LongTerms::new).addResultReader(DoubleTerms.NAME, DoubleTerms::new));
    registerAggregation(new AggregationSpec(SignificantTermsAggregationBuilder.NAME, SignificantTermsAggregationBuilder::new, SignificantTermsAggregationBuilder.getParser(significanceHeuristicParserRegistry)).addResultReader(SignificantStringTerms.NAME, SignificantStringTerms::new).addResultReader(SignificantLongTerms.NAME, SignificantLongTerms::new).addResultReader(UnmappedSignificantTerms.NAME, UnmappedSignificantTerms::new));
    registerAggregation(new AggregationSpec(RangeAggregationBuilder.NAME, RangeAggregationBuilder::new, RangeAggregationBuilder::parse).addResultReader(InternalRange::new));
    registerAggregation(new AggregationSpec(DateRangeAggregationBuilder.NAME, DateRangeAggregationBuilder::new, DateRangeAggregationBuilder::parse).addResultReader(InternalDateRange::new));
    registerAggregation(new AggregationSpec(IpRangeAggregationBuilder.NAME, IpRangeAggregationBuilder::new, IpRangeAggregationBuilder::parse).addResultReader(InternalBinaryRange::new));
    registerAggregation(new AggregationSpec(HistogramAggregationBuilder.NAME, HistogramAggregationBuilder::new, HistogramAggregationBuilder::parse).addResultReader(InternalHistogram::new));
    registerAggregation(new AggregationSpec(DateHistogramAggregationBuilder.NAME, DateHistogramAggregationBuilder::new, DateHistogramAggregationBuilder::parse).addResultReader(InternalDateHistogram::new));
    registerAggregation(new AggregationSpec(GeoDistanceAggregationBuilder.NAME, GeoDistanceAggregationBuilder::new, GeoDistanceAggregationBuilder::parse).addResultReader(InternalGeoDistance::new));
    registerAggregation(new AggregationSpec(GeoGridAggregationBuilder.NAME, GeoGridAggregationBuilder::new, GeoGridAggregationBuilder::parse).addResultReader(InternalGeoHashGrid::new));
    registerAggregation(new AggregationSpec(NestedAggregationBuilder.NAME, NestedAggregationBuilder::new, NestedAggregationBuilder::parse).addResultReader(InternalNested::new));
    registerAggregation(new AggregationSpec(ReverseNestedAggregationBuilder.NAME, ReverseNestedAggregationBuilder::new, ReverseNestedAggregationBuilder::parse).addResultReader(InternalReverseNested::new));
    registerAggregation(new AggregationSpec(TopHitsAggregationBuilder.NAME, TopHitsAggregationBuilder::new, TopHitsAggregationBuilder::parse).addResultReader(InternalTopHits::new));
    registerAggregation(new AggregationSpec(GeoBoundsAggregationBuilder.NAME, GeoBoundsAggregationBuilder::new, GeoBoundsAggregationBuilder::parse).addResultReader(InternalGeoBounds::new));
    registerAggregation(new AggregationSpec(GeoCentroidAggregationBuilder.NAME, GeoCentroidAggregationBuilder::new, GeoCentroidAggregationBuilder::parse).addResultReader(InternalGeoCentroid::new));
    registerAggregation(new AggregationSpec(ScriptedMetricAggregationBuilder.NAME, ScriptedMetricAggregationBuilder::new, ScriptedMetricAggregationBuilder::parse).addResultReader(InternalScriptedMetric::new));
    registerAggregation(new AggregationSpec(ChildrenAggregationBuilder.NAME, ChildrenAggregationBuilder::new, ChildrenAggregationBuilder::parse).addResultReader(InternalChildren::new));
    registerFromPlugin(plugins, SearchPlugin::getAggregations, this::registerAggregation);
}

Example 2 with NestedAggregationBuilder

use of org.elasticsearch.search.aggregations.bucket.nested.NestedAggregationBuilder in project molgenis by molgenis.

the class AggregationGenerator method createAggregations.

private List<AggregationBuilder> createAggregations(LinkedList<Attribute> attrs, Attribute parentAttr, Attribute distinctAttr) {
    Attribute attr = attrs.pop();
    List<AggregationBuilder> aggs = new ArrayList<>();
    // term aggregation
    String termsAggName = attr.getName() + FieldConstants.AGGREGATION_TERMS_POSTFIX;
    String termsAggFieldName = getAggregateFieldName(attr);
    AggregationBuilder termsAgg = AggregationBuilders.terms(termsAggName).size(MAX_VALUE).field(termsAggFieldName);
    aggs.add(termsAgg);
    // missing term aggregation
    if (attr.isNillable()) {
        String missingAggName = attr.getName() + FieldConstants.AGGREGATION_MISSING_POSTFIX;
        String missingAggFieldName = getAggregateFieldName(attr);
        AggregationBuilder missingTermsAgg = AggregationBuilders.missing(missingAggName).field(missingAggFieldName);
        aggs.add(missingTermsAgg);
    }
    // add distinct term aggregations
    if (attrs.isEmpty() && distinctAttr != null) {
        String cardinalityAggName = distinctAttr.getName() + FieldConstants.AGGREGATION_DISTINCT_POSTFIX;
        String cardinalityAggFieldName = getAggregateFieldName(distinctAttr);
        CardinalityAggregationBuilder distinctAgg = AggregationBuilders.cardinality(cardinalityAggName).field(cardinalityAggFieldName).precisionThreshold(PRECISION_THRESHOLD);
        // CardinalityBuilder does not implement AggregationBuilder interface, so we need some more code
        AbstractAggregationBuilder wrappedDistinctAgg;
        if (AggregateUtils.isNestedType(distinctAttr)) {
            String nestedAggName = distinctAttr.getName() + AGGREGATION_NESTED_POSTFIX;
            String nestedAggFieldName = getAggregatePathName(distinctAttr);
            NestedAggregationBuilder nestedBuilder = AggregationBuilders.nested(nestedAggName, nestedAggFieldName);
            nestedBuilder.subAggregation(distinctAgg);
            if (AggregateUtils.isNestedType(attr)) {
                String reverseAggName = attr.getName() + AggregationGenerator.AGGREGATION_REVERSE_POSTFIX;
                ReverseNestedAggregationBuilder reverseNestedBuilder = AggregationBuilders.reverseNested(reverseAggName);
                reverseNestedBuilder.subAggregation(nestedBuilder);
                wrappedDistinctAgg = reverseNestedBuilder;
            } else {
                wrappedDistinctAgg = nestedBuilder;
            }
        } else {
            if (AggregateUtils.isNestedType(attr)) {
                String reverseAggName = attr.getName() + AggregationGenerator.AGGREGATION_REVERSE_POSTFIX;
                ReverseNestedAggregationBuilder reverseNestedBuilder = AggregationBuilders.reverseNested(reverseAggName);
                reverseNestedBuilder.subAggregation(distinctAgg);
                wrappedDistinctAgg = reverseNestedBuilder;
            } else {
                wrappedDistinctAgg = distinctAgg;
            }
        }
        // add wrapped distinct term aggregation to aggregations
        for (AggregationBuilder agg : aggs) {
            agg.subAggregation(wrappedDistinctAgg);
        }
    }
    // add sub aggregations
    if (!attrs.isEmpty()) {
        List<AggregationBuilder> subAggs = createAggregations(attrs, attr, distinctAttr);
        for (AggregationBuilder agg : aggs) {
            for (AggregationBuilder subAgg : subAggs) {
                agg.subAggregation(subAgg);
            }
        }
    }
    // wrap in nested aggregation is this aggregation is nested
    if (AggregateUtils.isNestedType(attr)) {
        String nestedAggName = attr.getName() + AGGREGATION_NESTED_POSTFIX;
        String nestedAggFieldName = getAggregatePathName(attr);
        NestedAggregationBuilder nestedAgg = AggregationBuilders.nested(nestedAggName, nestedAggFieldName);
        for (AggregationBuilder agg : aggs) {
            nestedAgg.subAggregation(agg);
        }
        aggs = Collections.singletonList(nestedAgg);
    }
    // wrap in reverse nested aggregation if parent aggregation is nested
    if (parentAttr != null && AggregateUtils.isNestedType(parentAttr)) {
        String reverseAggName = parentAttr.getName() + AggregationGenerator.AGGREGATION_REVERSE_POSTFIX;
        ReverseNestedAggregationBuilder reverseNestedAgg = AggregationBuilders.reverseNested(reverseAggName);
        for (AggregationBuilder agg : aggs) {
            reverseNestedAgg.subAggregation(agg);
        }
        aggs = Collections.singletonList(reverseNestedAgg);
    }
    return aggs;
}