TripleSubject (Apache Jena ARQ)

java.lang.Object
- org.apache.jena.sparql.function.FunctionBase
- - org.apache.jena.sparql.function.FunctionBase1
  - - org.apache.jena.sparql.function.library.triple.TripleSubject

All Implemented Interfaces:

Function
```
public class TripleSubject
extends FunctionBase1
```
Return the subject of a triple term. Throws ExprEvalException if the argument is not a triple term.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  TripleSubject()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  NodeValue exec(NodeValue nv)
  - Methods inherited from class org.apache.jena.sparql.function.FunctionBase1
    checkBuild, exec
  - Methods inherited from class org.apache.jena.sparql.function.FunctionBase
    build, evalArgs, exec
  - Methods inherited from class java.lang.Object
    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TripleSubject
```
public TripleSubject()
```
- Method Detail
  - exec
```
public NodeValue exec(NodeValue nv)
```
    Specified by:
    
    exec in class FunctionBase1