joda::query::GroupAggregator Class Reference

#include <GroupAggregator.h>

Inheritance diagram for joda::query::GroupAggregator:

Collaboration diagram for joda::query::GroupAggregator:

Public Member Functions
	GroupAggregator (const std::string &toPointer, std::unique_ptr< IValueProvider > &&groupBy, std::unique_ptr< IAggregator > &&agg, std::string groupAs="")
	~GroupAggregator () override=default
void	merge (IAggregator *other) override
std::unique_ptr< IAggregator >	duplicate () const override
const std::string	getName () const override
std::string	toString () const override
RJValue	terminate (RJMemoryPoolAlloc &alloc) override
void	accumulate (const RapidJsonDocument &json, RJMemoryPoolAlloc &alloc) override
std::vector< std::string >	getAttributes () const override
void	setGroupAs (const std::string &groupAs)
Public Member Functions inherited from joda::query::IAggregator
	IAggregator (const std::string &toPointer, std::vector< std::unique_ptr< IValueProvider >> &&params)
	IAggregator (IAggregator const &)=delete
void	operator= (IAggregator const &x)=delete
virtual	~IAggregator ()=default
virtual const std::string &	getDestPointer () const
std::string	getParameterStringRepresentation () const

Static Public Member Functions
static constexpr auto	getName_ ()

Protected Types
typedef std::unordered_map< std::string, std::unique_ptr< IAggregator > >	StringAggregators
typedef std::unordered_map< double, std::unique_ptr< IAggregator > >	NumAggregators

Protected Member Functions
const std::string	getGroupName () const
const std::string	getValueName () const
Protected Member Functions inherited from joda::query::IAggregator
void	checkParamSize (unsigned int expected)
void	checkMinParamSize (unsigned int expected)
void	checkParamType (unsigned int i, IValueType expected)
void	checkOptionalParamType (unsigned int i, IValueType expected)
std::vector< std::unique_ptr< IValueProvider > >	duplicateParameters () const

Protected Attributes
const std::unique_ptr< IValueProvider >	groupBy
const std::unique_ptr< IAggregator >	protoAgg
StringAggregators	stringGroups
NumAggregators	numGroups
std::unique_ptr< IAggregator >	trueAgg = nullptr
std::unique_ptr< IAggregator >	falseAgg = nullptr
std::string	groupAs
Protected Attributes inherited from joda::query::IAggregator
std::string	toPointer
std::vector< std::unique_ptr< IValueProvider > >	params

Member Typedef Documentation

NumAggregators

typedef std::unordered_map<double, std::unique_ptr<IAggregator> > joda::query::GroupAggregator::NumAggregators

protected

StringAggregators

typedef std::unordered_map<std::string, std::unique_ptr<IAggregator> > joda::query::GroupAggregator::StringAggregators

protected

Constructor & Destructor Documentation

GroupAggregator()

joda::query::GroupAggregator::GroupAggregator	(	const std::string &	toPointer,
		std::unique_ptr< IValueProvider > &&	groupBy,
		std::unique_ptr< IAggregator > &&	agg,
		std::string	groupAs = ""
	)

~GroupAggregator()

joda::query::GroupAggregator::~GroupAggregator ( )

overridedefault

Member Function Documentation

accumulate()

void joda::query::GroupAggregator::accumulate ( const RapidJsonDocument &  json, RJMemoryPoolAlloc &  alloc  )

overridevirtual

Accumulates another value. This function is called for every value once

Parameters

json	The Rapidjsondocument to retrieve values from. (Or an empty RapidJsonDocument for const values)
alloc	A MemoryPoolAllocator to create the values with

Implements joda::query::IAggregator.

duplicate()

std::unique_ptr< joda::query::IAggregator > joda::query::GroupAggregator::duplicate ( ) const

overridevirtual

Duplicates the Aggregator

Returns

A new Instance of the given Aggregator

Implements joda::query::IAggregator.

getAttributes()

std::vector< std::string > joda::query::GroupAggregator::getAttributes ( ) const

overridevirtual

Reimplemented from joda::query::IAggregator.

getGroupName()

const std::string joda::query::GroupAggregator::getGroupName ( ) const

protected

getName()

const std::string joda::query::GroupAggregator::getName ( ) const

overridevirtual

Returns the name of the Aggregator

Returns

Name of Aggregator

Implements joda::query::IAggregator.

getName_()

static constexpr auto joda::query::GroupAggregator::getName_ ( )

inlinestaticconstexpr

getValueName()

const std::string joda::query::GroupAggregator::getValueName ( ) const

protected

merge()

void joda::query::GroupAggregator::merge ( IAggregator *  other )

overridevirtual

Merges the given instance with another.

Parameters

other

Other instance to be merged. Has to be of same class!

Implements joda::query::IAggregator.

setGroupAs()

void joda::query::GroupAggregator::setGroupAs

(

const std::string &

groupAs

)

terminate()

RJValue joda::query::GroupAggregator::terminate ( RJMemoryPoolAlloc &  alloc )

overridevirtual

Terminates the aggregation and collects the values

Returns

Collected values (GroupKey,Value)

Implements joda::query::IAggregator.

toString()

std::string joda::query::GroupAggregator::toString ( ) const

overridevirtual

Reimplemented from joda::query::IAggregator.

Field Documentation

falseAgg

std::unique_ptr<IAggregator> joda::query::GroupAggregator::falseAgg = nullptr

protected

groupAs

std::string joda::query::GroupAggregator::groupAs

protected

groupBy

const std::unique_ptr<IValueProvider> joda::query::GroupAggregator::groupBy

protected

numGroups

NumAggregators joda::query::GroupAggregator::numGroups

protected

protoAgg

const std::unique_ptr<IAggregator> joda::query::GroupAggregator::protoAgg

protected

stringGroups

StringAggregators joda::query::GroupAggregator::stringGroups

protected

trueAgg

std::unique_ptr<IAggregator> joda::query::GroupAggregator::trueAgg = nullptr

protected

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The documentation for this class was generated from the following files:

• /home/nico/joda_tmp/tmp-joda-dirs/JODA-gh/libs/joda/core/modules/query/aggregate/include/joda/query/aggregation/GroupAggregator.h
• /home/nico/joda_tmp/tmp-joda-dirs/JODA-gh/libs/joda/core/modules/query/aggregate/src/GroupAggregator.cpp