Package com.vaadin.hilla

Class Hotswapper

java.lang.Object

com.vaadin.hilla.Hotswapper

All Implemented Interfaces:

VaadinHotswapper

public class Hotswapper
extends Object
implements VaadinHotswapper

Takes care of updating internals of Hilla that need updates when application classes are updated.

Constructor Summary

Constructors

Constructor	Description
Hotswapper()

Method Summary

Modifier and Type	Method	Description
static boolean	isInUse()
static void	markInUse()
boolean	onClassLoadEvent(VaadinService vaadinService, Set<Class<?>> classes, boolean redefined)	Called by Vaadin hotswap entry point when one or more application classes have been updated.
static void	onHotswap(Boolean redefined, String[] changedClasses)	Called by hot swap solutions when one or more 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

Hotswapper

public Hotswapper()

Method Details

onClassLoadEvent

public boolean onClassLoadEvent(VaadinService vaadinService,
 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 application-wide updates. Operation targeting Vaadin session should be implemented in VaadinHotswapper.onClassLoadEvent(VaadinSession, Set, boolean) method.

Specified by:

onClassLoadEvent in interface VaadinHotswapper

Parameters:

vaadinService - active VaadinService instance.

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(VaadinSession, Set, boolean)

onHotswap

public static void onHotswap(Boolean redefined,
 String[] changedClasses)

Called by hot swap solutions when one or more classes have been updated.

The hot swap solution should not pre-filter the classes but pass everything to this method.

Parameters:

redefined - true if the class was redefined, false if it was loaded for the first time

changedClasses - the classes that have been added or modified

markInUse

public static void markInUse()

isInUse

public static boolean isInUse()