com.yahoo.bard.webservice.druid.model.postaggregation

Interface WithFields<T extends PostAggregation>

Type Parameters:

T - a PostAggregation

All Superinterfaces:

MetricField

All Known Implementing Classes:

ArithmeticPostAggregation, FuzzySetPostAggregation, SketchEstimatePostAggregation, SketchSetOperationPostAggregation, ThetaSketchEstimatePostAggregation, ThetaSketchSetOperationPostAggregation

public interface WithFields<T extends PostAggregation>
extends MetricField

An Interface to getFields from a PostAggregation and return a PosAggregation constructed from the given fields.

Method Summary

Modifier and Type	Method and Description
default Set<Dimension>	getDependentDimensions() Get the dimensions from all child postAggregations.
List<PostAggregation>	getFields() An interface method to get all the post aggregation fields.
T	withFields(List<PostAggregation> fields) withFields provides new instance of respective class created from fields.

Methods inherited from interface com.yahoo.bard.webservice.druid.model.MetricField

getName, isFloatingPoint, isSketch

Method Detail

getFields

List<PostAggregation> getFields()

An interface method to get all the post aggregation fields.

Returns:

all the post aggregation fields when it is implemented

withFields

T withFields(List<PostAggregation> fields)

withFields provides new instance of respective class created from fields.

Parameters:

fields - List of post aggregation fields

Returns:

new instance of implemented class created from the list of post aggregation fields

getDependentDimensions

default Set<Dimension> getDependentDimensions()

Get the dimensions from all child postAggregations.

Specified by:

getDependentDimensions in interface MetricField

Returns:

The set of dimensions required to satisfy the fields of all child post aggregations