Package org.eclipse.rdf4j.query.algebra.helpers.collectors

Class VarNameCollector

java.lang.Object

org.eclipse.rdf4j.query.algebra.helpers.AbstractSimpleQueryModelVisitor<RuntimeException>

org.eclipse.rdf4j.query.algebra.helpers.collectors.VarNameCollector

All Implemented Interfaces:

QueryModelVisitor<RuntimeException>

public class VarNameCollector
extends AbstractSimpleQueryModelVisitor<RuntimeException>

A QueryModelVisitor that collects the names of (non-constant) variables that are used in a query model.

Constructor Summary

Constructors

Constructor	Description
VarNameCollector()

Method Summary

Modifier and Type	Method	Description
Set<String>	getVarNames()
void	meet(Var var)
static Set<String>	process(QueryModelNode node)

Methods inherited from class org.eclipse.rdf4j.query.algebra.helpers.AbstractSimpleQueryModelVisitor

meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meetBinaryTupleOperator, meetBinaryValueOperator, meetCompareSubQueryValueOperator, meetNAryValueOperator, meetOther, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator, meetUnsupported, meetUpdateExpr

Methods inherited from class java.lang.Object

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

Constructor Details

VarNameCollector

public VarNameCollector()

Method Details

process

public static Set<String> process(QueryModelNode node)

getVarNames

public Set<String> getVarNames()

meet

public void meet(Var var)

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class AbstractSimpleQueryModelVisitor<RuntimeException>