ChangedNullability (Smithy API 1.49.0)

java.lang.Object
- software.amazon.smithy.diff.evaluators.AbstractDiffEvaluator
- - software.amazon.smithy.diff.evaluators.ChangedNullability

All Implemented Interfaces:

DiffEvaluator
```
public class ChangedNullability
extends AbstractDiffEvaluator
```
Validates that only backward compatible changes are made to structure member nullability to ensure that if something was previously nullable to clients then it continue to be nullable and vice versa.

Constructor Summary

Constructors
Constructor Description

ChangedNullability()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<ValidationEvent>`	`evaluate(Differences differences)`	Returns validation events given two models and the detected differences between them.

Methods inherited from class software.amazon.smithy.diff.evaluators.AbstractDiffEvaluator
danger, danger, error, error, getEventId, note, note, warning, warning

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

- Constructor Detail
  - ChangedNullability
```
public ChangedNullability()
```
- Method Detail
  - evaluate
```
public java.util.List<ValidationEvent> evaluate(Differences differences)
```
    Description copied from interface: DiffEvaluator
    
    Returns validation events given two models and the detected differences between them.
    
    Parameters:
    
    differences - Detected differences.
    
    Returns:
    
    Returns validation events that are relative to the new model.