com.vaadin.server
Interface Extension

All Superinterfaces:

ClientConnector, com.vaadin.shared.Connector, java.io.Serializable

All Known Implementing Classes:

AbstractExtension, AbstractJavaScriptExtension, BrowserWindowOpener, FileDownloader, JavaScript

public interface Extension
extends ClientConnector

An extension is an entity that is attached to a Component or another Extension and independently communicates between client and server.

An extension can only be attached once. It is not supported to move an extension from one target to another.

Extensions can use shared state and RPC in the same way as components.

Since:

7.0.0

Author:

Vaadin Ltd

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.server.ClientConnector

ClientConnector.AttachEvent, ClientConnector.AttachListener, ClientConnector.ConnectorErrorEvent, ClientConnector.DetachEvent, ClientConnector.DetachListener

Method Summary

void	remove() Remove this extension from its target.

Methods inherited from interface com.vaadin.server.ClientConnector

addAttachListener, addDetachListener, attach, beforeClientResponse, detach, encodeState, getErrorHandler, getExtensions, getParent, getRpcManager, getStateType, getUI, handleConnectorRequest, isConnectorEnabled, markAsDirty, markAsDirtyRecursive, removeAttachListener, removeDetachListener, removeExtension, requestRepaint, requestRepaintAll, retrievePendingRpcCalls, setErrorHandler, setParent

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Method Detail

remove

void remove()

Remove this extension from its target. After an extension has been removed, it cannot be attached again.