Package com.vaadin.flow.dom

Interface ChildElementConsumer

All Superinterfaces:

Consumer<Element>, 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 ChildElementConsumer
extends Consumer<Element>, Serializable

Callback which allows to handle request to map a client side DOM element to the server Element instance.

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Node.attachExistingElement(String, Element, ChildElementConsumer)

Method Summary

Modifier and Type	Method	Description
void	accept(Element child)	This callback method is called when the request initiated by the Node.appendChild(Element...) method is successfully executed.
default void	onError(Node<?> parent, String tag, Element previousSibling)	This callback method is called when the requested client element cannot be found in the provided parent by the tag name after the previousSibling.

Methods inherited from interface java.util.function.Consumer

andThen

Method Details

accept

void accept(Element child)

This callback method is called when the request initiated by the Node.appendChild(Element...) method is successfully executed.

The parameter value is the element created by the request.

Specified by:

accept in interface Consumer<Element>

Parameters:

child - the server side element mapped to the requested client-side element

onError

default void onError(Node<?> parent,
 String tag,
 Element previousSibling)

This callback method is called when the requested client element cannot be found in the provided parent by the tag name after the previousSibling.

Parameters:

parent - the server side parent node, not null

tag - the tag name of the requested element, not null

previousSibling - the previous sibling element for the requested element, may be null