net.sansa_stack.query.spark.ontop

Class NullRejectingDBConcatFunctionSymbol

java.lang.Object

it.unibz.inf.ontop.model.term.impl.PredicateImpl

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

it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractTypedDBFunctionSymbol

it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractDBConcatFunctionSymbol

net.sansa_stack.query.spark.ontop.NullRejectingDBConcatFunctionSymbol

All Implemented Interfaces:

it.unibz.inf.ontop.model.term.functionsymbol.db.DBConcatFunctionSymbol, it.unibz.inf.ontop.model.term.functionsymbol.db.DBFunctionSymbol, it.unibz.inf.ontop.model.term.functionsymbol.db.DBFunctionSymbolSerializer, it.unibz.inf.ontop.model.term.functionsymbol.FunctionSymbol, it.unibz.inf.ontop.model.term.functionsymbol.Predicate, Serializable

public class NullRejectingDBConcatFunctionSymbol
extends it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractDBConcatFunctionSymbol

See Also:

Serialized Form

Nested Class Summary

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

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NullRejectingDBConcatFunctionSymbol(String nameInDialect, int arity, it.unibz.inf.ontop.model.type.DBTermType dbStringType, it.unibz.inf.ontop.model.type.DBTermType rootDBTermType, boolean isOperator)
protected	NullRejectingDBConcatFunctionSymbol(String nameInDialect, int arity, it.unibz.inf.ontop.model.type.DBTermType dbStringType, it.unibz.inf.ontop.model.type.DBTermType rootDBTermType, it.unibz.inf.ontop.model.term.functionsymbol.db.DBFunctionSymbolSerializer serializer)

Method Summary

Modifier and Type	Method and Description
boolean	canBePostProcessed(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<? extends it.unibz.inf.ontop.model.term.ImmutableTerm> arguments) TODO: allow post-processing
protected String	extractString(it.unibz.inf.ontop.model.term.Constant constant)
boolean	isAlwaysInjectiveInTheAbsenceOfNonInjectiveFunctionalTerms()

Methods inherited from class it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractDBConcatFunctionSymbol

analyzeInjectivity, buildTermAfterEvaluation, getNativeDBString

Methods inherited from class it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractTypedDBFunctionSymbol

getTargetType, inferType, isPreferringToBePostProcessedOverBeingBlocked, mayReturnNullWithoutNullArguments, tolerateNulls

Methods inherited from class it.unibz.inf.ontop.model.term.functionsymbol.impl.FunctionSymbolImpl

canBeSafelyDecomposedIntoConjunction, decomposeInjectiveTopFunctionalTerm, enableIfElseNullLifting, evaluateIsNotNull, evaluateNullability, evaluateStrictEq, evaluateStrictEqWithFunctionalTerm, evaluateStrictEqWithNonNullConstant, getExpectedBaseType, getExpectedBaseTypes, isAggregation, isDeterministic, isInjective, isNullable, proposeProvenanceVariables, simplify, simplifyAsGuaranteedToBeNonNull, transformIntoRegularArguments, tryToLiftMagicNumbers

Methods inherited from class it.unibz.inf.ontop.model.term.impl.PredicateImpl

equals, getArity, getName, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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

isPreferringToBePostProcessedOverBeingBlocked

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

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

Constructor Detail

NullRejectingDBConcatFunctionSymbol

protected NullRejectingDBConcatFunctionSymbol(String nameInDialect,
                                              int arity,
                                              it.unibz.inf.ontop.model.type.DBTermType dbStringType,
                                              it.unibz.inf.ontop.model.type.DBTermType rootDBTermType,
                                              boolean isOperator)

NullRejectingDBConcatFunctionSymbol

protected NullRejectingDBConcatFunctionSymbol(String nameInDialect,
                                              int arity,
                                              it.unibz.inf.ontop.model.type.DBTermType dbStringType,
                                              it.unibz.inf.ontop.model.type.DBTermType rootDBTermType,
                                              it.unibz.inf.ontop.model.term.functionsymbol.db.DBFunctionSymbolSerializer serializer)

Method Detail

extractString

protected String extractString(it.unibz.inf.ontop.model.term.Constant constant)

Specified by:

extractString in class it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractDBConcatFunctionSymbol

isAlwaysInjectiveInTheAbsenceOfNonInjectiveFunctionalTerms

public boolean isAlwaysInjectiveInTheAbsenceOfNonInjectiveFunctionalTerms()

Specified by:

isAlwaysInjectiveInTheAbsenceOfNonInjectiveFunctionalTerms in class it.unibz.inf.ontop.model.term.functionsymbol.impl.FunctionSymbolImpl

canBePostProcessed

public boolean canBePostProcessed(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<? extends it.unibz.inf.ontop.model.term.ImmutableTerm> arguments)

TODO: allow post-processing