com.vaadin.flow.server.BootstrapInitialPredicate API 23.1.17 | Vaadin

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com.vaadin.flow.server.

All Superinterfaces:

EventListener, Serializable

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface BootstrapInitialPredicate
extends EventListener, Serializable
```
The callback used by bootstrap handlers in order to know when a request needs to pre-render the UI and include the initial UIDL in the page.

Since:

3.0

- Method Summary
  
  All Methods
  Modifier and Type Method Description
  
  boolean includeInitialUidl(VaadinRequest request)
  Return whether the bootstrap handler has to include initial UIDL in the response.

- Method Detail
  - includeInitialUidl
```
boolean includeInitialUidl(VaadinRequest request)
```
    Return whether the bootstrap handler has to include initial UIDL in the response.
    
    Parameters:
    
    request - Vaadin request.
    
    Returns:
    
    true if initial should be included