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

Interface FunctionSymbolFactory

All Known Implementing Classes:

FunctionSymbolFactoryImpl

public interface FunctionSymbolFactory

Accessible through Guice (recommended) or through CoreSingletons.

Method Summary

Modifier and Type	Method and Description
BooleanFunctionSymbol	getAreCompatibleRDFStringFunctionSymbol() See https://www.w3.org/TR/sparql11-query/#func-arg-compatibility
FunctionSymbol	getBinaryNumericLexicalFunctionSymbol(String dbNumericOperationName)
FunctionSymbol	getCommonDenominatorFunctionSymbol(int arity)
FunctionSymbol	getCommonPropagatedOrSubstitutedNumericTypeFunctionSymbol() Binary
DBFunctionSymbolFactory	getDBFunctionSymbolFactory()
BooleanFunctionSymbol	getIsARDFTermTypeFunctionSymbol(RDFTermType rdfTermType)
FunctionSymbol	getLangTagFunctionSymbol() Do NOT confuse it with the LANG SPARQL function This function symbol takes a RDF type term as input.
BooleanFunctionSymbol	getLexicalEBVFunctionSymbol()
BooleanFunctionSymbol	getLexicalInequalityFunctionSymbol(InequalityLabel inequalityLabel)
BooleanFunctionSymbol	getLexicalLangMatches() Do NOT confuse it with the langMatches SPARQL function Not a DBFunctionSymbol as it is not delegated to the DB (too complex logic)
BooleanFunctionSymbol	getLexicalNonStrictEqualityFunctionSymbol()
NotYetTypedEqualityFunctionSymbol	getNotYetTypedEquality() To be used when parsing the mapping and when an equality is found.
BooleanFunctionSymbol	getRDF2DBBooleanFunctionSymbol() Used for wrapping SPARQL boolean functional terms to make them becoming ImmutableExpressions Such a wrapping consists in converting XSD booleans into DB booleans.
FunctionSymbol	getRDFDatatypeStringFunctionSymbol() Do NOT confuse it with the LANG DATATYPE function This function symbol takes a RDF type term as input.
RDFTermFunctionSymbol	getRDFTermFunctionSymbol()
RDFTermTypeFunctionSymbol	getRDFTermTypeFunctionSymbol(TypeConstantDictionary dictionary, com.google.common.collect.ImmutableSet<RDFTermTypeConstant> possibleConstants, boolean isSimplifiable)
default SPARQLFunctionSymbol	getRequiredSPARQLDistinctAggregateFunctionSymbol(String officialName, int arity)
default SPARQLFunctionSymbol	getRequiredSPARQLFunctionSymbol(String officialName, int arity)
Optional<SPARQLFunctionSymbol>	getSPARQLDistinctAggregateFunctionSymbol(String officialName, int arity)
FunctionSymbol	getSPARQLEffectiveBooleanValueFunctionSymbol() Special function capturing the EBV logic https://www.w3.org/TR/sparql11-query/#ebv Returns an XSD.BOOLEAN
Optional<SPARQLFunctionSymbol>	getSPARQLFunctionSymbol(String officialName, int arity)
SPARQLAggregationFunctionSymbol	getSPARQLGroupConcatFunctionSymbol(String separator, boolean isDistinct)
FunctionSymbol	getUnaryLatelyTypedFunctionSymbol(Function<DBTermType,DBFunctionSymbol> dbFunctionSymbolFct, DBTermType targetType)
FunctionSymbol	getUnaryLexicalFunctionSymbol(Function<DBTermType,DBFunctionSymbol> dbFunctionSymbolFct)

Method Detail

getRDFTermFunctionSymbol

RDFTermFunctionSymbol getRDFTermFunctionSymbol()

getDBFunctionSymbolFactory

DBFunctionSymbolFactory getDBFunctionSymbolFactory()

getIsARDFTermTypeFunctionSymbol

BooleanFunctionSymbol getIsARDFTermTypeFunctionSymbol(RDFTermType rdfTermType)

getAreCompatibleRDFStringFunctionSymbol

BooleanFunctionSymbol getAreCompatibleRDFStringFunctionSymbol()

See https://www.w3.org/TR/sparql11-query/#func-arg-compatibility

getLexicalNonStrictEqualityFunctionSymbol

BooleanFunctionSymbol getLexicalNonStrictEqualityFunctionSymbol()

getNotYetTypedEquality

NotYetTypedEqualityFunctionSymbol getNotYetTypedEquality()

To be used when parsing the mapping and when an equality is found. Is expected to replaced later by a proper equality (may be strict or not)

getLexicalInequalityFunctionSymbol

BooleanFunctionSymbol getLexicalInequalityFunctionSymbol(InequalityLabel inequalityLabel)

getLexicalEBVFunctionSymbol

BooleanFunctionSymbol getLexicalEBVFunctionSymbol()

getRDF2DBBooleanFunctionSymbol

BooleanFunctionSymbol getRDF2DBBooleanFunctionSymbol()

Used for wrapping SPARQL boolean functional terms to make them becoming ImmutableExpressions Such a wrapping consists in converting XSD booleans into DB booleans.

getRDFTermTypeFunctionSymbol

RDFTermTypeFunctionSymbol getRDFTermTypeFunctionSymbol(TypeConstantDictionary dictionary,
                                                       com.google.common.collect.ImmutableSet<RDFTermTypeConstant> possibleConstants,
                                                       boolean isSimplifiable)

getSPARQLFunctionSymbol

Optional<SPARQLFunctionSymbol> getSPARQLFunctionSymbol(String officialName,
                                                       int arity)

getRequiredSPARQLFunctionSymbol

default SPARQLFunctionSymbol getRequiredSPARQLFunctionSymbol(String officialName,
                                                             int arity)

getSPARQLDistinctAggregateFunctionSymbol

Optional<SPARQLFunctionSymbol> getSPARQLDistinctAggregateFunctionSymbol(String officialName,
                                                                        int arity)

getRequiredSPARQLDistinctAggregateFunctionSymbol

default SPARQLFunctionSymbol getRequiredSPARQLDistinctAggregateFunctionSymbol(String officialName,
                                                                              int arity)

getSPARQLGroupConcatFunctionSymbol

SPARQLAggregationFunctionSymbol getSPARQLGroupConcatFunctionSymbol(String separator,
                                                                   boolean isDistinct)

getSPARQLEffectiveBooleanValueFunctionSymbol

FunctionSymbol getSPARQLEffectiveBooleanValueFunctionSymbol()

Special function capturing the EBV logic https://www.w3.org/TR/sparql11-query/#ebv Returns an XSD.BOOLEAN

getCommonDenominatorFunctionSymbol

FunctionSymbol getCommonDenominatorFunctionSymbol(int arity)

getCommonPropagatedOrSubstitutedNumericTypeFunctionSymbol

FunctionSymbol getCommonPropagatedOrSubstitutedNumericTypeFunctionSymbol()

Binary

getLangTagFunctionSymbol

FunctionSymbol getLangTagFunctionSymbol()

Do NOT confuse it with the LANG SPARQL function This function symbol takes a RDF type term as input. and returns * NULL if it is not a literal * "" if the literal type does not have a language tag * the language tag if available

getRDFDatatypeStringFunctionSymbol

FunctionSymbol getRDFDatatypeStringFunctionSymbol()

Do NOT confuse it with the LANG DATATYPE function This function symbol takes a RDF type term as input. and returns * NULL if it is not a literal * the string of the datatype IRI

getLexicalLangMatches

BooleanFunctionSymbol getLexicalLangMatches()

Do NOT confuse it with the langMatches SPARQL function Not a DBFunctionSymbol as it is not delegated to the DB (too complex logic)

getBinaryNumericLexicalFunctionSymbol

FunctionSymbol getBinaryNumericLexicalFunctionSymbol(String dbNumericOperationName)

getUnaryLatelyTypedFunctionSymbol

FunctionSymbol getUnaryLatelyTypedFunctionSymbol(Function<DBTermType,DBFunctionSymbol> dbFunctionSymbolFct,
                                                 DBTermType targetType)

getUnaryLexicalFunctionSymbol

FunctionSymbol getUnaryLexicalFunctionSymbol(Function<DBTermType,DBFunctionSymbol> dbFunctionSymbolFct)