ExistsFunction (Solr 9.0.0 analytics API)

java.lang.Object
- org.apache.solr.analytics.function.mapping.ExistsFunction

```
public class ExistsFunction
extends Object
```
A mapping function to test if a value.
Any AnalyticsValueStream can be passed in, and a BooleanValue will be returned representing whether a value exists.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static ExpressionFactory.CreatorFunction creatorFunction
  
  static String name
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ExistsFunction()
- Method Summary
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

name
```
public static final String name
```
See Also:

Constant Field Values

creatorFunction

public static final ExpressionFactory.CreatorFunction creatorFunction

Constructor Detail
- ExistsFunction
```
public ExistsFunction()
```