ScriptFunction (Apache Jena ARQ)

java.lang.Object

org.apache.jena.sparql.function.FunctionBase

org.apache.jena.sparql.function.scripting.ScriptFunction

All Implemented Interfaces:: Function

public class ScriptFunction extends FunctionBase

Constructor Summary

Constructors

Constructor

Description

ScriptFunction()
Method Summary

Modifier and Type

Method

Description

void

build(String uri, ExprList args, Context cxt)

Called during query plan construction immediately after the construction of the extension instance.

void

checkBuild(String uri, ExprList args)

NodeValue

exec(List<NodeValue> args)

Function call to a list of evaluated argument values

static boolean

isScriptFunction(String uri)

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 Details
- ScriptFunction
  
  public ScriptFunction()
Method Details
- isScriptFunction
  
  public static boolean isScriptFunction(String uri)
- checkBuild
  
  public void checkBuild(String uri, ExprList args)
  
  Specified by:
  
  checkBuild in class FunctionBase
- build
  
  public void build(String uri, ExprList args, Context cxt)
  
  Description copied from interface: Function
  
  Called during query plan construction immediately after the construction of the extension instance. Can throw ExprBuildException if something is wrong (like wrong number of arguments).
  
  Parameters:
  
  uri - The function URI
  
  args - The parsed arguments
  
  cxt - The build context.
- exec
  
  public NodeValue exec(List<NodeValue> args)
  
  Description copied from class: FunctionBase
  
  Function call to a list of evaluated argument values
  
  Specified by:
  
  exec in class FunctionBase