AndOrSimplifier (predicate-search-core 7.542.42 API)

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

All Implemented Interfaces:

PredicateProcessor
```
public class AndOrSimplifier
extends Object
implements PredicateProcessor
```
Simplifies a predicate by: - Combining child-AND/OR nodes with direct parents of the same type - Pushing negations down to leaf nodes by using De Morgan's law.

Author:

Magnar Nedland, bjorncs

Constructor Summary

Constructors
Constructor Description

AndOrSimplifier()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Predicate`	`process(Predicate predicate, PredicateOptions options)`	Processes a predicate.
`Predicate`	`simplifySubTree(Predicate predicate, boolean negated)`

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

Constructor Detail
- AndOrSimplifier
```
public AndOrSimplifier()
```

Method Detail

simplifySubTree

public Predicate simplifySubTree(Predicate predicate,
                                 boolean negated)

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.