NotNodeReorderer (predicate-search-core 7.273.15 API)

java.lang.Object
- com.yahoo.search.predicate.optimization.NotNodeReorderer

All Implemented Interfaces:

PredicateProcessor
```
public class NotNodeReorderer
extends java.lang.Object
implements PredicateProcessor
```
Reorders not nodes to improve the efficiency of the z-star posting list compression. It puts negative children first in AND-nodes, and last in OR-nodes.

Author:

Magnar Nedland, bjorncs

Constructor Summary

Constructors
Constructor Description

NotNodeReorderer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Predicate`	`process(Predicate predicate, PredicateOptions options)`	Processes a predicate.
`boolean`	`processSubTree(Predicate predicate)`	Returns true if the predicate ends in a negation.

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

- Constructor Detail
  - NotNodeReorderer
```
public NotNodeReorderer()
```
- Method Detail
  - processSubTree
```
public boolean processSubTree(Predicate predicate)
```
    Returns true if the predicate ends in a negation.
  - process
```
public Predicate process(Predicate predicate,
                         PredicateOptions options)
```
    Description copied from interface: PredicateProcessor
    
    Processes a predicate.
    
    Specified by:
    
    process in interface PredicateProcessor
    
    Returns:
    
    the processed predicate.