FilterOptimizer.VarFinder (Eclipse RDF4J 4.2.4)

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
  
  All Methods Instance Methods Concrete Methods
  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 Detail
  - vars
```
protected HashSet<String> vars
```
- Constructor Detail
  - VarFinder
```
protected VarFinder()
```
- Method Detail
  - 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>