org.elasticsearch.search.aggregations.metrics

Class NumericValuesSourceMetricsAggregatorParser<S extends InternalNumericMetricsAggregation>

java.lang.Object

org.elasticsearch.search.aggregations.metrics.NumericValuesSourceMetricsAggregatorParser<S>

All Implemented Interfaces:

Aggregator.Parser

Direct Known Subclasses:

AvgParser, MaxParser, MinParser, StatsParser, SumParser

public abstract class NumericValuesSourceMetricsAggregatorParser<S extends InternalNumericMetricsAggregation>
extends Object
implements Aggregator.Parser

Field Summary

Fields

Modifier and Type	Field and Description
protected InternalAggregation.Type	aggType

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NumericValuesSourceMetricsAggregatorParser(InternalAggregation.Type aggType)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract AggregatorFactory	createFactory(String aggregationName, ValuesSourceConfig<ValuesSource.Numeric> config)
AggregatorFactory	parse(String aggregationName, XContentParser parser, SearchContext context) Returns the aggregator factory with which this parser is associated, may return null indicating the aggregation should be skipped (e.g.
String	type()

Methods inherited from class java.lang.Object

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

Field Detail

aggType

protected final InternalAggregation.Type aggType

Constructor Detail

NumericValuesSourceMetricsAggregatorParser

protected NumericValuesSourceMetricsAggregatorParser(InternalAggregation.Type aggType)

Method Detail

type

public String type()

Specified by:

type in interface Aggregator.Parser

Returns:

The aggregation type this parser is associated with.

parse

public AggregatorFactory parse(String aggregationName,
                      XContentParser parser,
                      SearchContext context)
                        throws IOException

Description copied from interface: Aggregator.Parser

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).

Specified by:

parse in interface Aggregator.Parser

Parameters:

aggregationName - The name of the aggregation

parser - The xcontent parser

context - The search context

Returns:

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

Throws:

IOException - When parsing fails

createFactory

protected abstract AggregatorFactory createFactory(String aggregationName,
                              ValuesSourceConfig<ValuesSource.Numeric> config)