| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.opencord.cordvtn.api.node; |
| |
| /** |
| * Entity that defines possible init state of the cordvtn node. |
| */ |
| public enum CordVtnNodeState { |
| |
| INIT { |
| @Override |
| public void process(CordVtnNodeHandler handler, CordVtnNode node) { |
| handler.processInitState(node); |
| } |
| |
| @Override |
| public CordVtnNodeState nextState() { |
| return DEVICE_CREATED; |
| } |
| }, |
| DEVICE_CREATED { |
| @Override |
| public void process(CordVtnNodeHandler handler, CordVtnNode node) { |
| handler.processDeviceCreatedState(node); |
| } |
| |
| @Override |
| public CordVtnNodeState nextState() { |
| return PORT_CREATED; |
| } |
| }, |
| PORT_CREATED { |
| @Override |
| public void process(CordVtnNodeHandler handler, CordVtnNode node) { |
| handler.processPortCreatedState(node); |
| } |
| |
| @Override |
| public CordVtnNodeState nextState() { |
| return COMPLETE; |
| } |
| }, |
| COMPLETE { |
| @Override |
| public void process(CordVtnNodeHandler handler, CordVtnNode node) { |
| handler.processCompleteState(node); |
| } |
| |
| @Override |
| public CordVtnNodeState nextState() { |
| // last state |
| return COMPLETE; |
| } |
| }; |
| |
| /** |
| * Processes the current node state to proceed to the next state. |
| * |
| * @param handler cordvtn node state handler |
| * @param node cordvtn node |
| */ |
| public abstract void process(CordVtnNodeHandler handler, CordVtnNode node); |
| |
| /** |
| * Returns the next node state. |
| * @return next node state |
| */ |
| public abstract CordVtnNodeState nextState(); |
| } |