| /* |
| * Copyright 2019-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.onosproject.k8snode.api; |
| |
| /** |
| * Defines the initialization stats of Kubernetes node. |
| */ |
| public enum K8sNodeState { |
| |
| /** |
| * Indicates the node is in pre-on-board. |
| */ |
| PRE_ON_BOARD { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processPreOnBoardState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return ON_BOARDED; |
| } |
| }, |
| /** |
| * Indicates the node is on-boarded. |
| */ |
| ON_BOARDED { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processOnBoardedState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return ON_BOARDED; |
| } |
| }, |
| /** |
| * Indicates the node is post-on-board. |
| */ |
| POST_ON_BOARD { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processPostOnBoardState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return POST_ON_BOARD; |
| } |
| }, |
| /** |
| * Indicates the node is newly added. |
| */ |
| INIT { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processInitState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return DEVICE_CREATED; |
| } |
| }, |
| /** |
| * Indicates bridge devices are added according to the node state. |
| */ |
| DEVICE_CREATED { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processDeviceCreatedState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return COMPLETE; |
| } |
| }, |
| /** |
| * Indicates node initialization is done. |
| */ |
| COMPLETE { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processCompleteState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return COMPLETE; |
| } |
| }, |
| /** |
| * Indicates node is broken. |
| */ |
| INCOMPLETE { |
| @Override |
| public void process(K8sNodeHandler handler, K8sNode node) { |
| handler.processIncompleteState(node); |
| } |
| |
| @Override |
| public K8sNodeState nextState() { |
| return INIT; |
| } |
| }; |
| |
| /** |
| * Processes the given node which is under a certain state. |
| * |
| * @param handler kubernetes node handler |
| * @param node kubernetes node |
| */ |
| public abstract void process(K8sNodeHandler handler, K8sNode node); |
| |
| /** |
| * Transits to the next state. |
| * |
| * @return the next kubernetes node state |
| */ |
| public abstract K8sNodeState nextState(); |
| } |