| /* |
| * Copyright 2020-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 state of Kubernetes host. |
| */ |
| public enum K8sHostState { |
| |
| /** |
| * Indicates the host is newly added. |
| */ |
| INIT { |
| @Override |
| public void process(K8sHostHandler handler, K8sHost host) { |
| handler.processInitState(host); |
| } |
| |
| @Override |
| public K8sHostState nextState() { |
| return DEVICE_CREATED; |
| } |
| }, |
| /** |
| * Indicates bridge devices are added according to the host state. |
| */ |
| DEVICE_CREATED { |
| @Override |
| public void process(K8sHostHandler handler, K8sHost host) { |
| handler.processDeviceCreatedState(host); |
| } |
| |
| @Override |
| public K8sHostState nextState() { |
| return COMPLETE; |
| } |
| }, |
| /** |
| * Indicates the host initialization is done. |
| */ |
| COMPLETE { |
| @Override |
| public void process(K8sHostHandler handler, K8sHost host) { |
| handler.processCompleteState(host); |
| } |
| |
| @Override |
| public K8sHostState nextState() { |
| return COMPLETE; |
| } |
| }, |
| /** |
| * Indicates host is broken. |
| */ |
| INCOMPLETE { |
| @Override |
| public void process(K8sHostHandler handler, K8sHost host) { |
| handler.processIncompleteState(host); |
| } |
| |
| @Override |
| public K8sHostState nextState() { |
| return INIT; |
| } |
| }; |
| |
| /** |
| * Processes the given host which is under a certain state. |
| * |
| * @param handler kubernetes host handler |
| * @param host kubernetes host |
| */ |
| public abstract void process(K8sHostHandler handler, K8sHost host); |
| |
| /** |
| * Transits to the next state. |
| * |
| * @return the next kubernetes host state |
| */ |
| public abstract K8sHostState nextState(); |
| } |