| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.yang.runtime; |
| |
| import org.onosproject.yang.model.DataNode; |
| |
| /** |
| * Abstraction of an entity which provide call back methods which are called |
| * by data node walker while walking the data tree. |
| * <p> |
| * This interface needs to be implemented by protocol implementing listener's |
| * based call backs while data walk. |
| */ |
| public interface DataNodeListener { |
| |
| /** |
| * Data node's entry, it will be called during a node entry. |
| * All the related information about the node can be obtain from the node. |
| * |
| * @param node data node |
| */ |
| //TODO add additional context which may contain information like location |
| // of multi instance node in map to later let json serializer use this. |
| void enterDataNode(DataNode node); |
| |
| /** |
| * Data node's exit, it will be called during a node exit. |
| * All the related information about the node can be obtain from the node. |
| * |
| * @param node data node |
| */ |
| //TODO add additional context which may contain information like location |
| // of multi instance node in map to later let json serializer use this. |
| void exitDataNode(DataNode node); |
| } |