joda::query::StaticEvalVisitor Class Reference

#include <StaticEvalVisitor.h>

Inheritance diagram for joda::query::StaticEvalVisitor:

Collaboration diagram for joda::query::StaticEvalVisitor:

Public Member Functions
void	visit (AndPredicate *e) override
void	visit (NegatePredicate *e) override
void	visit (OrPredicate *e) override
void	visit (EqualizePredicate *e) override
void	visit (ComparePredicate *e) override
void	visit (ValToPredicate *e) override
std::unique_ptr< Predicate >	getPred ()

Protected Attributes
bool	changed = false
std::unique_ptr< Predicate >	pred

Detailed Description

Visitor analyzing a predicate tree for sub-trees with constant/static results. If such a subtree is found, it is replaced by the constant result in a copied instance.

Member Function Documentation

getPred()

std::unique_ptr< joda::query::Predicate > joda::query::StaticEvalVisitor::getPred

(

)

Returns

the optimized predicate

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visit() [1/6]

void joda::query::StaticEvalVisitor::visit ( AndPredicate *  e )

overridevirtual

Visits an AndPredicate

Parameters

e	Predicate to visit

Implements joda::query::PredicateVisitor.

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visit() [2/6]

void joda::query::StaticEvalVisitor::visit ( ComparePredicate *  e )

overridevirtual

Visits an ComparePredicate

Parameters

e	Predicate to visit

Implements joda::query::PredicateVisitor.

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visit() [3/6]

void joda::query::StaticEvalVisitor::visit ( EqualizePredicate *  e )

overridevirtual

Visits an EqualizePredicate

Parameters

e	Predicate to visit

Implements joda::query::PredicateVisitor.

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visit() [4/6]

void joda::query::StaticEvalVisitor::visit ( NegatePredicate *  e )

overridevirtual

Visits an NegatePredicate

Parameters

e	Predicate to visit

Implements joda::query::PredicateVisitor.

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visit() [5/6]

void joda::query::StaticEvalVisitor::visit ( OrPredicate *  e )

overridevirtual

Visits an OrPredicate

Parameters

e	Predicate to visit

Implements joda::query::PredicateVisitor.

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visit() [6/6]

void joda::query::StaticEvalVisitor::visit ( ValToPredicate *  e )

overridevirtual

Visits an ValToPredicate

Parameters

e	Predicate to visit

Implements joda::query::PredicateVisitor.

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Field Documentation

changed

bool joda::query::StaticEvalVisitor::changed = false

protected

pred

std::unique_ptr<Predicate> joda::query::StaticEvalVisitor::pred

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/predicate/include/joda/query/predicate/StaticEvalVisitor.h
• /home/nico/joda_tmp/tmp-joda-dirs/JODA-gh/libs/joda/core/modules/query/predicate/src/visitors/StaticEvalVisitor.cpp