TripleSubjectFunction (Eclipse RDF4J 4.2.4)

java.lang.Object
- org.eclipse.rdf4j.query.algebra.evaluation.function.triple.TripleSubjectFunction

All Implemented Interfaces:

Function
```
public class TripleSubjectFunction
extends Object
implements Function
```
Function returning the subject component of RDF-star Triple reused the IRI of rdf:subject as name

Author:

damyan.ognyanov

Constructor Summary

Constructors
Constructor Description

TripleSubjectFunction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Value`	`evaluate(ValueFactory vf, Value... args)`	Evaluate the function over the supplied input arguments, using the supplied `ValueFactory` to produce the result.
`String`	`getURI()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.function.Function
evaluate, mustReturnDifferentResult

- Constructor Detail
  - TripleSubjectFunction
```
public TripleSubjectFunction()
```
- Method Detail
  - getURI
```
public String getURI()
```
    Specified by:
    
    getURI in interface Function
  - evaluate
```
public Value evaluate(ValueFactory vf,
                      Value... args)
               throws ValueExprEvaluationException
```
    Description copied from interface: Function
    
    Evaluate the function over the supplied input arguments, using the supplied ValueFactory to produce the result.
    
    Specified by:
    
    evaluate in interface Function
    
    Parameters:
    
    vf - a ValueFactory to use for producing the function result.
    
    args - the function input arguments.
    
    Returns:
    
    the function result value.
    
    Throws:
    
    ValueExprEvaluationException