UICreateEvent (vaadin-server 8.21.0 API)

java.lang.Object
- java.util.EventObject
- - com.vaadin.server.UIProviderEvent
  - - com.vaadin.server.UICreateEvent

All Implemented Interfaces:

java.io.Serializable
```
public class UICreateEvent
extends UIProviderEvent
```
Contains data used by various methods in UIProvider for determining information about a new UI that is about to be created.

Since:

7.0.0

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary
- Fields inherited from class java.util.EventObject
  source

Constructor Summary

Constructors
Constructor	Description
`UICreateEvent(VaadinRequest request, java.lang.Class<? extends UI> uiClass)`	Creates a new UI create event for a given VaadinRequest and UI class but without a UI id.
`UICreateEvent(VaadinRequest request, java.lang.Class<? extends UI> uiClass, java.lang.Integer uiId)`	Creates a new UI create event for a given VaadinRequest, UI class and UI id.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Class<? extends UI>`	`getUIClass()`	Gets the UI class that will be created.
`java.lang.Integer`	`getUiId()`	Gets the id of the UI about to be created.

Methods inherited from class com.vaadin.server.UIProviderEvent
getRequest, getService

Methods inherited from class java.util.EventObject
getSource, toString

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

- Constructor Detail
  - UICreateEvent
```
public UICreateEvent(VaadinRequest request,
                     java.lang.Class<? extends UI> uiClass)
```
    Creates a new UI create event for a given VaadinRequest and UI class but without a UI id.
    
    Parameters:
    
    request - the request for which the UI will be created
    
    uiClass - the UI class that will be created
  - UICreateEvent
```
public UICreateEvent(VaadinRequest request,
                     java.lang.Class<? extends UI> uiClass,
                     java.lang.Integer uiId)
```
    Creates a new UI create event for a given VaadinRequest, UI class and UI id.
    
    Parameters:
    
    request - the request for which the UI will be created
    
    uiClass - the UI class that will be created
    
    uiId - the id reserved for the UI; or null if no id has yet been allocated.
- Method Detail
  - getUIClass
```
public java.lang.Class<? extends UI> getUIClass()
```
    Gets the UI class that will be created.
    
    Returns:
    
    the UI class
  - getUiId
```
public java.lang.Integer getUiId()
```
    Gets the id of the UI about to be created. This might be null if the id has not yet been determined.
    The UI id is generally only available in UIProvider.createInstance(UICreateEvent)
    
    Returns:
    
    the UI id; or null if the UI id is not yet known.