Module org.apache.jena.serviceplugins

Package org.apache.jena.sparql.service.enhancer.impl.util

Class VarUtilsExtra

java.lang.Object

org.apache.jena.sparql.service.enhancer.impl.util.VarUtilsExtra

public class VarUtilsExtra
extends Object

Constructor Summary

Constructors

Constructor	Description
VarUtilsExtra()

Method Summary

Modifier and Type	Method	Description
static org.apache.jena.sparql.core.Var	freshVar(String baseName, Collection<org.apache.jena.sparql.core.Var> excludedVars)	Allocate a variable whose name is not in black list

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

VarUtilsExtra

public VarUtilsExtra()

Method Details

freshVar

public static org.apache.jena.sparql.core.Var freshVar(String baseName,
 Collection<org.apache.jena.sparql.core.Var> excludedVars)

Allocate a variable whose name is not in black list

Parameters:

baseName - The desired name. If it is contained in the set of excluded vars then repeated attempts with the name pattern "baseName_counter" are made until successful.

excludedVars - The set of excluded Var instances

Returns:

The fresh variable