org.elasticsearch.search.aggregations

Class AggregatorParsers

java.lang.Object

org.elasticsearch.search.aggregations.AggregatorParsers

public class AggregatorParsers
extends java.lang.Object

A registry for all the aggregator parser, also servers as the main parser for the aggregations module

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.regex.Pattern	VALID_AGG_NAME

Constructor Summary

Constructors

Constructor and Description
AggregatorParsers(ParseFieldRegistry<Aggregator.Parser> aggregationParserRegistry, ParseFieldRegistry<PipelineAggregator.Parser> pipelineAggregationParserRegistry)

Method Summary

Modifier and Type	Method and Description
AggregatorFactories.Builder	parseAggregators(QueryParseContext parseContext) Parses the aggregation request recursively generating aggregator factories in turn.
Aggregator.Parser	parser(java.lang.String type, ParseFieldMatcher parseFieldMatcher) Returns the parser that is registered under the given aggregation type.
PipelineAggregator.Parser	pipelineParser(java.lang.String type, ParseFieldMatcher parseFieldMatcher) Returns the parser that is registered under the given pipeline aggregator type.

Methods inherited from class java.lang.Object

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

Field Detail

VALID_AGG_NAME

public static final java.util.regex.Pattern VALID_AGG_NAME

Constructor Detail

AggregatorParsers

public AggregatorParsers(ParseFieldRegistry<Aggregator.Parser> aggregationParserRegistry,
                         ParseFieldRegistry<PipelineAggregator.Parser> pipelineAggregationParserRegistry)

Method Detail

parser

public Aggregator.Parser parser(java.lang.String type,
                                ParseFieldMatcher parseFieldMatcher)

Returns the parser that is registered under the given aggregation type.

Parameters:

type - The aggregation type

parseFieldMatcher - used for making error messages.

Returns:

The parser associated with the given aggregation type or null if it wasn't found.

pipelineParser

public PipelineAggregator.Parser pipelineParser(java.lang.String type,
                                                ParseFieldMatcher parseFieldMatcher)

Returns the parser that is registered under the given pipeline aggregator type.

Parameters:

type - The pipeline aggregator type

parseFieldMatcher - used for making error messages.

Returns:

The parser associated with the given pipeline aggregator type or null if it wasn't found.

parseAggregators

public AggregatorFactories.Builder parseAggregators(QueryParseContext parseContext)
                                             throws java.io.IOException

Parses the aggregation request recursively generating aggregator factories in turn.

Parameters:

parseContext - The parse context.

Returns:

The parsed aggregator factories.

Throws:

java.io.IOException - When parsing fails for unknown reasons.