| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.gearpump.cluster |
| |
| import akka.actor.ActorRef |
| import org.apache.gearpump.cluster.master.Master.MasterInfo |
| import org.apache.gearpump.cluster.scheduler.Resource |
| import org.apache.gearpump.cluster.worker.WorkerId |
| |
| /** |
| * Cluster Bootup Flow |
| */ |
| object WorkerToMaster { |
| |
| /** When an worker is started, it sends RegisterNewWorker */ |
| case object RegisterNewWorker |
| |
| /** When worker lose connection with master, it tries to register itself again with old Id. */ |
| case class RegisterWorker(workerId: WorkerId) |
| |
| /** Worker is responsible to broadcast its current status to master */ |
| case class ResourceUpdate(worker: ActorRef, workerId: WorkerId, resource: Resource) |
| } |
| |
| object MasterToWorker { |
| |
| /** Master confirm the reception of RegisterNewWorker or RegisterWorker */ |
| case class WorkerRegistered(workerId: WorkerId, masterInfo: MasterInfo) |
| |
| /** Worker have not received reply from master */ |
| case class UpdateResourceFailed(reason: String = null, ex: Throwable = null) |
| |
| /** Master is synced with worker on resource slots managed by current worker */ |
| case object UpdateResourceSucceed |
| } |
