/* * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.controller.md.sal.common.api.data; import java.util.EventListener; import org.opendaylight.yangtools.concepts.Path; /** * Listener of data change events on particular subtree. * *
* User-supplied implementations of this listener interface MUST register via * {@link AsyncDataBroker#registerDataChangeListener(LogicalDatastoreType, Path, AsyncDataChangeListener, AsyncDataBroker.DataChangeScope)} * in order to start receiving data change events, which capture state changes * in a subtree. * *
* Implementation Note: This interface is intended to be implemented * by users of MD-SAL. * * @param
* Type of path (subtree identifier), which represents location in
* tree
* @param , D> extends EventListener {
/**
*
* Invoked when there is data change for the particular path, which was used to
* register this listener.
*
* This method may be also invoked during registration of the listener if
* there is any preexisting data in the conceptual data tree for supplied path.
* This initial event will contain all preexisting data as created.
*
*
* Note: This method may be invoked from a shared thread pool.
* change);
}
*
* @param change
* Data Change Event being delivered.
*/
void onDataChanged(AsyncDataChangeEvent