NullId (container-search 7.556.26 API)

java.lang.Object
- com.yahoo.search.grouping.result.GroupId
- - com.yahoo.search.grouping.result.NullId

```
public class NullId
extends GroupId
```
This class is in Group instances where the identifying expression evaluated to null. For example, hits that fall outside the buckets of a PredefinedFunction are added to an auto-generated group with this id.

Author:

Simon Thoresen Hult

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NullId()
  Constructs a new instance of this class.
- Method Summary
  - Methods inherited from class com.yahoo.search.grouping.result.GroupId
    getTypeName, toString
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - NullId
```
public NullId()
```
    Constructs a new instance of this class.