Package com.vaadin.flow.hotswap.impl

Class ErrorViewHotswapper

java.lang.Object

com.vaadin.flow.hotswap.impl.ErrorViewHotswapper

All Implemented Interfaces:

VaadinHotswapper

@Priority(100)
public class ErrorViewHotswapper
extends Object
implements VaadinHotswapper

Triggers UI refresh when hotswap occurs while an error view is displayed. This ensures that fixing a broken class during development will refresh the error page and attempt to re-navigate to the original location.

For internal use only. May be renamed or removed in a future release.

Since:

25.0

Constructor Summary

Constructors

Constructor	Description
ErrorViewHotswapper()

Method Summary

Modifier and Type	Method	Description
boolean	onClassLoadEvent(VaadinSession session, Set<Class<?>> classes, boolean redefined)	Called by Vaadin hotswap entry point when one or more application classes have been updated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.flow.hotswap.VaadinHotswapper

onClassLoadEvent, onHotswapComplete

Constructor Details

ErrorViewHotswapper

public ErrorViewHotswapper()

Method Details

onClassLoadEvent

public boolean onClassLoadEvent(VaadinSession session,
 Set<Class<?>> classes,
 boolean redefined)

Description copied from interface: VaadinHotswapper

Called by Vaadin hotswap entry point when one or more application classes have been updated.

This method is meant to perform updates at VaadinSession level. Operation targeting the entire application should be implemented in VaadinHotswapper.onClassLoadEvent(VaadinService, Set, boolean) method.

Specified by:

onClassLoadEvent in interface VaadinHotswapper

Parameters:

session - the VaadinSession to be potentially updated.

classes - the set of changed classes.

redefined - true if the classes have been redefined by hotswap mechanism, false if they have been loaded for the first time by the ClassLoader.

Returns:

true if a browser page reload is required, false otherwise.

See Also:

• VaadinHotswapper.onClassLoadEvent(VaadinService, Set, boolean)