Class IntegerCast
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.CastFunction
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- org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.IntegerCastFunction
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- org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.IntegerCast
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- All Implemented Interfaces:
Function
- Direct Known Subclasses:
IntegerCast
public class IntegerCast extends IntegerCastFunction
AFunctionthat tries to cast its argument to an xsd:integer .- Author:
- Jeen Broekstra
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Constructor Summary
Constructors Constructor Description IntegerCast()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected Optional<Literal>createTypedLiteral(ValueFactory vf, BigInteger integerValue)create aLiteralwith the specific datatype for the suppliedBigIntegervalue.protected IRIgetXsdDatatype()Get the specific XML Schema datatype which this function returns.protected booleanisValidForDatatype(String lexicalValue)Verifies that the supplied lexical value is valid for the datatype.-
Methods inherited from class org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.IntegerCastFunction
convert, createTypedLiteral
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Methods inherited from class org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.CastFunction
evaluate, getURI, getXsdName, typeError
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.function.Function
evaluate, mustReturnDifferentResult
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Method Detail
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getXsdDatatype
protected IRI getXsdDatatype()
Description copied from class:CastFunctionGet the specific XML Schema datatype which this function returns.- Specified by:
getXsdDatatypein classCastFunction- Returns:
- an XML Schema datatype IRI
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createTypedLiteral
protected Optional<Literal> createTypedLiteral(ValueFactory vf, BigInteger integerValue) throws ArithmeticException
Description copied from class:IntegerCastFunctioncreate aLiteralwith the specific datatype for the suppliedBigIntegervalue.- Specified by:
createTypedLiteralin classIntegerCastFunction- Parameters:
vf- theValueFactoryto use for creating theLiteralintegerValue- the integer value to use for creating theLiteral- Returns:
- an
Optionalliteral value, which may be empty if the supplied integerValue can not be successfully converted to the specific datatype. - Throws:
ArithmeticException- if an error occurs when attempting to convert the supplied value to a value of the specific datatype.
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isValidForDatatype
protected boolean isValidForDatatype(String lexicalValue)
Description copied from class:CastFunctionVerifies that the supplied lexical value is valid for the datatype.- Specified by:
isValidForDatatypein classCastFunction- Parameters:
lexicalValue- a lexical value- Returns:
- true if the lexical value is valid for the datatype, false otherwise.
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