Class Substring
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.function.string.Substring
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- All Implemented Interfaces:
Function
public class Substring extends Object implements Function
The SPARQL built-inFunctionSUBSTR, as defined in SPARQL Query Language for RDF.- Author:
- Jeen Broekstra
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Constructor Summary
Constructors Constructor Description Substring()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Literalevaluate(ValueFactory valueFactory, Value... args)Evaluate the function over the supplied input arguments, using the suppliedValueFactoryto produce the result.StringgetURI()static intintFromLiteral(Literal literal)-
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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evaluate
public Literal evaluate(ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException
Description copied from interface:FunctionEvaluate the function over the supplied input arguments, using the suppliedValueFactoryto produce the result.- Specified by:
evaluatein interfaceFunction- Parameters:
valueFactory- aValueFactoryto use for producing the function result.args- the function input arguments.- Returns:
- the function result value.
- Throws:
ValueExprEvaluationException
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intFromLiteral
public static int intFromLiteral(Literal literal) throws ValueExprEvaluationException
- Throws:
ValueExprEvaluationException
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