Package com.vaadin.flow.internal.nodefeature

Class ServerSideFeature

java.lang.Object

com.vaadin.flow.internal.nodefeature.NodeFeature

com.vaadin.flow.internal.nodefeature.ServerSideFeature

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AttachExistingElementFeature, ComponentMapping, InertData, ReturnChannelMap, ShadowRootHost

public abstract class ServerSideFeature
extends NodeFeature

Abstract node feature that is only present on the server. A server side feature does not produce any node changes and it can't contain child nodes.

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

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ServerSideFeature(StateNode node)	Creates a new feature for the given node.

Method Summary

Modifier and Type	Method	Description
void	collectChanges(Consumer<NodeChange> collector)	Collects all changes that are recorded for this feature.
void	forEachChild(Consumer<StateNode> action)	Passes each child node instance to the given consumer.
void	generateChangesFromEmpty()	Generates all changes that would be needed to take this node from its initial empty state to its current state.

Methods inherited from class com.vaadin.flow.internal.nodefeature.NodeFeature

allowsChanges, attachPotentialChild, detatchPotentialChild, getNode, onAttach, onDetach

Methods inherited from class java.lang.Object

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

Constructor Details

ServerSideFeature

public ServerSideFeature(StateNode node)

Creates a new feature for the given node.

Parameters:

node - the node which supports the feature

Method Details

collectChanges

public void collectChanges(Consumer<NodeChange> collector)

Description copied from class: NodeFeature

Collects all changes that are recorded for this feature.

Specified by:

collectChanges in class NodeFeature

Parameters:

collector - a consumer accepting node changes

generateChangesFromEmpty

public void generateChangesFromEmpty()

Description copied from class: NodeFeature

Generates all changes that would be needed to take this node from its initial empty state to its current state.

Specified by:

generateChangesFromEmpty in class NodeFeature

forEachChild

public void forEachChild(Consumer<StateNode> action)

Description copied from class: NodeFeature

Passes each child node instance to the given consumer.

Specified by:

forEachChild in class NodeFeature

Parameters:

action - the consumer that accepts each child