Package org.eclipse.rdf4j.query.algebra.evaluation.function.xsd

Class IntCast

java.lang.Object
org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.CastFunction
org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.IntegerCastFunction
org.eclipse.rdf4j.query.algebra.evaluation.function.xsd.IntCast
All Implemented Interfaces:
Function
public class IntCast extends IntegerCastFunction
A Function that tries to cast its argument to an xsd:int .
Author:
Jeen Broekstra

  • Constructor Details

    • IntCast

      public IntCast()

  • Method Details

    • getXsdDatatype

      protected IRI getXsdDatatype()
      Description copied from class: CastFunction
      Get the specific XML Schema datatype which this function returns.
      Specified by:
      getXsdDatatype in class CastFunction
      Returns:
      an XML Schema datatype IRI

    • createTypedLiteral

      protected Optional<Literal> createTypedLiteral(ValueFactory vf, BigInteger integerValue) throws ArithmeticException
      Description copied from class: IntegerCastFunction
      create a Literal with the specific datatype for the supplied BigInteger value.
      Specified by:
      createTypedLiteral in class IntegerCastFunction
      Parameters:
      vf - the ValueFactory to use for creating the Literal
      integerValue - the integer value to use for creating the Literal
      Returns:
      an Optional literal 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.

    • isValidForDatatype

      protected boolean isValidForDatatype(String lexicalValue)
      Description copied from class: CastFunction
      Verifies that the supplied lexical value is valid for the datatype.
      Specified by:
      isValidForDatatype in class CastFunction
      Parameters:
      lexicalValue - a lexical value
      Returns:
      true if the lexical value is valid for the datatype, false otherwise.