ValidationCallbackMixin (formcycle: bom 8.5.6 API)

All Known Implementing Classes:

FileListComponent, MultiFileComponent, SingleFileComponent
```
public interface ValidationCallbackMixin
```
Mixin for classes extending UIComponent that implements processValidators(context) by first validating the component itself, then processing its children.
To use this mixin, you need to override validateSelf(FacesContext) and provide your validation logic for the component. In addition, you also need to override UIComponent.processValidators(FacesContext) to point to the implementation provided by this mixin, e.g.:
```
 @Override
 public void processValidators(FacesContext context) {
   ValidationCallbackMixin.super.processValidators(context);
 }
 
```
This mixin assumes that any class using this mixin is a subclass of UIComponent.
Since:

8.5.0

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default void`	`processValidators(javax.faces.context.FacesContext context)`
`boolean`	`validateSelf(javax.faces.context.FacesContext context)`	Validates the component (and not its children), returning whether it is valid or not.

- Method Detail
  - processValidators
```
default void processValidators(javax.faces.context.FacesContext context)
```
  - validateSelf
```
boolean validateSelf(javax.faces.context.FacesContext context)
```
    Validates the component (and not its children), returning whether it is valid or not. You can add Faces messages within this method if validation fails.
    
    Parameters:
    
    context - The current Faces context.
    
    Returns:
    
    True if this component is valid, false otherwise.