ConstantDereferencer (searchlib 7.501.17 API)

java.lang.Object
- com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer<TransformContext>
- - com.yahoo.searchlib.rankingexpression.transform.ConstantDereferencer

```
public class ConstantDereferencer
extends ExpressionTransformer<TransformContext>
```
Replaces constant reference pseudofeatures which are scalars by their constant value

Author:

bratseth

Constructor Summary

Constructors
Constructor Description

ConstantDereferencer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ExpressionNode`	`transform(ExpressionNode node, TransformContext context)`	Transforms an expression node and returns the transformed node

Methods inherited from class com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer
transform, transformChildren

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConstantDereferencer
```
public ConstantDereferencer()
```
- Method Detail
  - transform
```
public ExpressionNode transform(ExpressionNode node,
                                TransformContext context)
```
    Description copied from class: ExpressionTransformer
    
    Transforms an expression node and returns the transformed node
    
    Specified by:
    
    transform in class ExpressionTransformer<TransformContext>