org.elasticsearch.search.aggregations

Interface Aggregator.Parser

Enclosing class:

Aggregator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface Aggregator.Parser

Parses the aggregation request and creates the appropriate aggregator factory for it.

See Also:

AggregationBuilder

Method Summary

Modifier and Type	Method and Description
AggregationBuilder	parse(java.lang.String aggregationName, QueryParseContext context) Returns the aggregator factory with which this parser is associated, may return null indicating the aggregation should be skipped (e.g.

Method Detail

parse

AggregationBuilder parse(java.lang.String aggregationName,
                         QueryParseContext context)
                  throws java.io.IOException

Returns the aggregator factory with which this parser is associated, may return null indicating the aggregation should be skipped (e.g. when trying to aggregate on unmapped fields).

Parameters:

aggregationName - The name of the aggregation

context - The parse context

Returns:

The resolved aggregator factory or null in case the aggregation should be skipped

Throws:

java.io.IOException - When parsing fails