HasRequiredId (JPMML model 1.7.7 API)

All Superinterfaces:

HasId<E,String>, Indexable<String>

All Known Implementing Classes:

Item, Itemset, Sequence, SetPredicate, TextDocument, VectorInstance
```
public interface HasRequiredId<E extends PMMLObject & HasRequiredId<E>>
extends HasId<E,String>, Indexable<String>
```

- Method Summary
  
  All Methods Instance Methods Abstract Methods Default Methods
  Modifier and Type Method Description
  
  default String getKey()
  
  String requireId()
  - Methods inherited from interface org.dmg.pmml.HasId
    getId, setId

- Method Detail
  - requireId
```
String requireId()
```
  - getKey
```
default String getKey()
```
    Specified by:
    
    getKey in interface Indexable<E extends PMMLObject & HasRequiredId<E>>
    
    Returns:
    
    The value of the primary key-like attribute. Could be null.