org.hibernate.search.engine.search.aggregation.spi

Interface SearchAggregationBuilderFactory<C>

Type Parameters:

C - The type of query element collector

public interface SearchAggregationBuilderFactory<C>

A factory for search aggregation builders.

This is the main entry point for the engine to ask the backend to build search aggregations.

Method Summary

Modifier and Type	Method and Description
<A> void	contribute(C collector, AggregationKey<A> key, SearchAggregation<A> aggregation) Contribute an aggregation to a collector.
<T> RangeAggregationBuilder<T>	createRangeAggregationBuilder(String absoluteFieldPath, Class<T> expectedType, ValueConvert convert)
<T> TermsAggregationBuilder<T>	createTermsAggregationBuilder(String absoluteFieldPath, Class<T> expectedType, ValueConvert convert)

Method Detail

contribute

<A> void contribute(C collector,
                    AggregationKey<A> key,
                    SearchAggregation<A> aggregation)

Contribute an aggregation to a collector.

May be called multiple times per collector, if there are multiple aggregations.

Type Parameters:

A - The type of result for this aggregation.

Parameters:

collector - The query element collector.

key - The aggregation key, used to later retrieve the result of the aggregation.

aggregation - The aggregation implementation.

createTermsAggregationBuilder

<T> TermsAggregationBuilder<T> createTermsAggregationBuilder(String absoluteFieldPath,
                                                             Class<T> expectedType,
                                                             ValueConvert convert)

createRangeAggregationBuilder

<T> RangeAggregationBuilder<T> createRangeAggregationBuilder(String absoluteFieldPath,
                                                             Class<T> expectedType,
                                                             ValueConvert convert)