Class ExtnFct_ToBNode

java.lang.Object

se.liu.ida.hefquin.mappings.algebra.exprs.fcts.ExtnFct_ToBNode

All Implemented Interfaces:

ExtensionFunction

public class ExtnFct_ToBNode
extends Object
implements ExtensionFunction

Given a string literal, returns a blank node that is unique per every possible string literal. That is, calling this function twice with the same string literal will result in the same blank node, whereas calling it twice with two different string literals will result in two different blank nodes.

Field Summary

Fields

Modifier and Type	Field	Description
static final ExtensionFunction	instance

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ExtnFct_ToBNode()

Method Summary

Modifier and Type	Method	Description
org.apache.jena.graph.Node	apply(org.apache.jena.graph.Node... args)
boolean	isCorrectNumberOfArgument(int n)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

instance

public static final ExtensionFunction instance

Constructor Details

ExtnFct_ToBNode

protected ExtnFct_ToBNode()

Method Details

isCorrectNumberOfArgument

public boolean isCorrectNumberOfArgument(int n)

Specified by:

isCorrectNumberOfArgument in interface ExtensionFunction

apply

public org.apache.jena.graph.Node apply(org.apache.jena.graph.Node... args)

Specified by:

apply in interface ExtensionFunction

toString

public String toString()

Overrides:

toString in class Object