ExclusiveTupleExprOptimizer (Eclipse RDF4J 4.3.2)

java.lang.Object
- org.eclipse.rdf4j.query.algebra.helpers.AbstractSimpleQueryModelVisitor<OptimizationException>
- - org.eclipse.rdf4j.federated.optimizer.ExclusiveTupleExprOptimizer

All Implemented Interfaces:

FedXOptimizer, QueryModelVisitor<OptimizationException>
```
public class ExclusiveTupleExprOptimizer
extends AbstractSimpleQueryModelVisitor<OptimizationException>
implements FedXOptimizer
```
A specialized optimizer which identifies and marks ExclusiveTupleExpr.

Author:

Andreas Schwarte

Constructor Summary

Constructors
Constructor Description

ExclusiveTupleExprOptimizer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`meet(ArbitraryLengthPath node)`
`void`	`meet(Service node)`
`void`	`optimize(TupleExpr tupleExpr)`	Optimize the provided tuple expression

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, 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 Detail
  - ExclusiveTupleExprOptimizer
```
public ExclusiveTupleExprOptimizer()
```
- Method Detail
  - optimize
```
public void optimize(TupleExpr tupleExpr)
```
    Description copied from interface: FedXOptimizer
    
    Optimize the provided tuple expression
    
    Specified by:
    
    optimize in interface FedXOptimizer
  - meet
```
public void meet(ArbitraryLengthPath node)
          throws OptimizationException
```
    Specified by:
    
    meet in interface QueryModelVisitor<OptimizationException>
    
    Overrides:
    
    meet in class AbstractSimpleQueryModelVisitor<OptimizationException>
    
    Throws:
    
    OptimizationException
  - meet
```
public void meet(Service node)
          throws OptimizationException
```
    Specified by:
    
    meet in interface QueryModelVisitor<OptimizationException>
    
    Overrides:
    
    meet in class AbstractSimpleQueryModelVisitor<OptimizationException>
    
    Throws:
    
    OptimizationException