Package org.eclipse.rdf4j.federated.optimizer

Class FilterOptimizer.VarFinder

java.lang.Object

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

org.eclipse.rdf4j.federated.optimizer.FilterOptimizer.VarFinder

All Implemented Interfaces:

QueryModelVisitor<OptimizationException>

Enclosing class:

FilterOptimizer

protected static class FilterOptimizer.VarFinder
extends AbstractSimpleQueryModelVisitor<OptimizationException>

Field Summary

Fields

Modifier and Type	Field	Description
protected HashSet<String>	vars

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	VarFinder()

Method Summary

Modifier and Type	Method	Description
HashSet<String>	findVars(ValueExpr expr)
void	meet(Var var)

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

Field Details

vars

protected HashSet<String> vars

Constructor Details

VarFinder

protected VarFinder()

Method Details

findVars

public HashSet<String> findVars(ValueExpr expr)

meet

public void meet(Var var)

Specified by:

meet in interface QueryModelVisitor<OptimizationException>

Overrides:

meet in class AbstractSimpleQueryModelVisitor<OptimizationException>