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

Class BooleanDBIfElseNullFunctionSymbolImpl

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.AbstractArgDependentTypedDBFunctionSymbol

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

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

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

All Implemented Interfaces:

BooleanFunctionSymbol, DBBooleanFunctionSymbol, DBFunctionSymbol, DBFunctionSymbolSerializer, DBIfElseNullFunctionSymbol, DBIfThenFunctionSymbol, FunctionSymbol, Predicate

public class BooleanDBIfElseNullFunctionSymbolImpl
extends DefaultDBIfElseNullFunctionSymbol
implements DBBooleanFunctionSymbol

Nested Class Summary

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

FunctionSymbol.FunctionalTermNullability

Field Summary

Fields inherited from class it.unibz.inf.ontop.model.term.functionsymbol.db.impl.AbstractDBIfThenFunctionSymbol

doOrderingMatter

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BooleanDBIfElseNullFunctionSymbolImpl(DBTermType dbBooleanType)

Method Summary

Modifier and Type	Method and Description
boolean	blocksNegation() Returns TRUE if the NOT operator has to stay ABOVE the expression (i.e.
ImmutableExpression	negate(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<? extends ImmutableTerm> subTerms, TermFactory termFactory) Usually NOT supported when the function symbol blocks negation.
protected ImmutableTerm	simplify(ImmutableExpression newCondition, ImmutableTerm newThenValue, TermFactory termFactory, VariableNullability variableNullability)
ImmutableTerm	simplify2VL(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<? extends ImmutableTerm> terms, TermFactory termFactory, VariableNullability variableNullability) Can further simplify than the simplify(...) because here FALSE can be treated as equivalent to NULL (2-valued logic) By default, reuses simplify(...).

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

analyzeInjectivity, canBePostProcessed, canBeReplacedByValue, evaluateIsNotNull, extractDefaultValue, getNativeDBString, liftUnaryBooleanFunctionSymbol, pushDownExpression, simplify

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

buildCase, extractPossibleValues, extractSubFunctionalTerms, isAlwaysInjectiveInTheAbsenceOfNonInjectiveFunctionalTerms, isPreferringToBePostProcessedOverBeingBlocked, mayReturnNullWithoutNullArguments, pushDownFunctionalTerm, pushDownRegularFunctionalTerm, simplifyValue, tolerateNulls, transformIntoRegularArguments

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

inferType

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

buildTermAfterEvaluation, canBeSafelyDecomposedIntoConjunction, decomposeInjectiveTopFunctionalTerm, enableIfElseNullLifting, evaluateNullability, evaluateStrictEq, evaluateStrictEqWithFunctionalTerm, evaluateStrictEqWithNonNullConstant, getExpectedBaseType, getExpectedBaseTypes, isAggregation, isDeterministic, isInjective, isNullable, proposeProvenanceVariables, simplifyAsGuaranteedToBeNonNull, 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

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

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

getNativeDBString

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

extractPossibleValues, pushDownRegularFunctionalTerm

Constructor Detail

BooleanDBIfElseNullFunctionSymbolImpl

protected BooleanDBIfElseNullFunctionSymbolImpl(DBTermType dbBooleanType)

Method Detail

blocksNegation

public boolean blocksNegation()

Description copied from interface: BooleanFunctionSymbol

Returns TRUE if the NOT operator has to stay ABOVE the expression (i.e. cannot lead to a change in the operator or cannot be delegated to sub-expressions)

Specified by:

blocksNegation in interface BooleanFunctionSymbol

negate

public ImmutableExpression negate(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<? extends ImmutableTerm> subTerms,
                                  TermFactory termFactory)

Description copied from interface: BooleanFunctionSymbol

Usually NOT supported when the function symbol blocks negation. Please use ImmutableExpression.negate() instead.

Specified by:

negate in interface BooleanFunctionSymbol

simplify

protected ImmutableTerm simplify(ImmutableExpression newCondition,
                                 ImmutableTerm newThenValue,
                                 TermFactory termFactory,
                                 VariableNullability variableNullability)

Overrides:

simplify in class DefaultDBIfElseNullFunctionSymbol

simplify2VL

public ImmutableTerm simplify2VL(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<? extends ImmutableTerm> terms,
                                 TermFactory termFactory,
                                 VariableNullability variableNullability)

Description copied from interface: BooleanFunctionSymbol

Can further simplify than the simplify(...) because here FALSE can be treated as equivalent to NULL (2-valued logic) By default, reuses simplify(...).

Specified by:

simplify2VL in interface BooleanFunctionSymbol