it.unibz.inf.ontop.model.term.functionsymbol

Interface AggregationFunctionSymbol

All Superinterfaces:

FunctionSymbol, Predicate

All Known Subinterfaces:

SPARQLAggregationFunctionSymbol

All Known Implementing Classes:

AbstractAggregationFunctionSymbol, AbstractDBAggregationFunctionSymbol, AvgSPARQLFunctionSymbolImpl, CountSPARQLFunctionSymbolImpl, DBCountFunctionSymbolImpl, DBMaxFunctionSymbolImpl, DBMinFunctionSymbolImpl, ForcingFloatingDBAvgFunctionSymbolImpl, MinBasedSampleSPARQLFunctionSymbol, MinOrMaxSPARQLFunctionSymbolImpl, NullIgnoringDBAvgFunctionSymbol, NullIgnoringDBSumFunctionSymbol, SumLikeSPARQLAggregationFunctionSymbolImpl, SumSPARQLFunctionSymbolImpl, UnaryNumericSPARQLAggregationFunctionSymbolImpl

public interface AggregationFunctionSymbol
extends FunctionSymbol

Nested Class Summary

Nested classes/interfaces inherited from interface it.unibz.inf.ontop.model.term.functionsymbol.FunctionSymbol

FunctionSymbol.FunctionalTermNullability

Method Summary

Modifier and Type	Method and Description
Constant	evaluateEmptyBag(TermFactory termFactory)

Methods inherited from interface it.unibz.inf.ontop.model.term.functionsymbol.FunctionSymbol

analyzeInjectivity, canBePostProcessed, evaluateIsNotNull, evaluateNullability, evaluateStrictEq, getExpectedBaseType, inferType, isAggregation, isDeterministic, isNullable, proposeProvenanceVariables, simplify, simplifyAsGuaranteedToBeNonNull

Methods inherited from interface it.unibz.inf.ontop.model.term.functionsymbol.Predicate

getArity, getName

Method Detail

evaluateEmptyBag

Constant evaluateEmptyBag(TermFactory termFactory)