NotEmptyWhen (Conditional Validator - Core 0.0.2 API)

@Repeatable(List.class)
@Documented
@Target({METHOD,FIELD})
@Retention(RUNTIME)
public @interface NotEmptyWhen

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  String expression
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  Class<?>[] groups
  
  String message
  
  Class<? extends javax.validation.Payload>[] payload

- Element Detail
  - expression
```
String expression
```
- - message
```
String message
```
    Default:
    
    "{javax.validation.constraints.NotEmpty.message}"
- - groups
```
Class<?>[] groups
```
    Default:
    
    {}
- - payload
```
Class<? extends javax.validation.Payload>[] payload
```
    Default:
    
    {}