Package org.hibernate.search.backend.elasticsearch.search.aggregation.impl

Class AbstractElasticsearchNestableAggregation.AbstractExtractor<T>

java.lang.Object

org.hibernate.search.backend.elasticsearch.search.aggregation.impl.AbstractElasticsearchNestableAggregation.AbstractExtractor<T>

All Implemented Interfaces:

ElasticsearchSearchAggregation.Extractor<T>

Direct Known Subclasses:

AbstractElasticsearchBucketAggregation.AbstractBucketExtractor

Enclosing class:

AbstractElasticsearchNestableAggregation<A>

protected abstract static class AbstractElasticsearchNestableAggregation.AbstractExtractor<T>
extends Object
implements ElasticsearchSearchAggregation.Extractor<T>

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractExtractor(List<String> nestedPathHierarchy, ElasticsearchSearchPredicate filter)

Method Summary

Modifier and Type	Method	Description
protected abstract T	doExtract(com.google.gson.JsonObject aggregationResult, AggregationExtractContext context)
final T	extract(com.google.gson.JsonObject aggregationResult, AggregationExtractContext context)	Extract the result of the aggregation from the response.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AbstractExtractor

protected AbstractExtractor(List<String> nestedPathHierarchy,
 ElasticsearchSearchPredicate filter)

Method Details

extract

public final T extract(com.google.gson.JsonObject aggregationResult,
 AggregationExtractContext context)

Description copied from interface: ElasticsearchSearchAggregation.Extractor

Extract the result of the aggregation from the response.

Specified by:

extract in interface ElasticsearchSearchAggregation.Extractor<T>

Parameters:

aggregationResult - The part of the response body relevant to the aggregation to extract.

context - The extract context, to extract information from the response's JSON body or retrieve information that was stored earlier in the ElasticsearchSearchAggregation.request(AggregationRequestContext, AggregationKey, JsonObject) method.

Returns:

The aggregation result extracted from the response.

doExtract

protected abstract T doExtract(com.google.gson.JsonObject aggregationResult,
 AggregationExtractContext context)