| /** |
| * 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.tajo.master.rm; |
| |
| import com.google.common.collect.Maps; |
| import org.apache.hadoop.yarn.event.Dispatcher; |
| import org.apache.tajo.QueryId; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import static org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto; |
| |
| /** |
| * It's a worker resource manager context. It contains all context data about TajoWorkerResourceManager. |
| */ |
| public class TajoRMContext { |
| |
| final Dispatcher rmDispatcher; |
| |
| /** map between workerIds and running workers */ |
| private final ConcurrentMap<String, Worker> workers = new ConcurrentHashMap<String, Worker>(); |
| |
| /** map between workerIds and inactive workers */ |
| private final ConcurrentMap<String, Worker> inactiveWorkers = new ConcurrentHashMap<String, Worker>(); |
| |
| /** map between queryIds and query master ContainerId */ |
| private final ConcurrentMap<QueryId, ContainerIdProto> qmContainerMap = Maps.newConcurrentMap(); |
| |
| private final Set<String> liveQueryMasterWorkerResources = |
| Collections.newSetFromMap(new ConcurrentHashMap<String, Boolean>()); |
| |
| public TajoRMContext(Dispatcher dispatcher) { |
| this.rmDispatcher = dispatcher; |
| } |
| |
| public Dispatcher getDispatcher() { |
| return rmDispatcher; |
| } |
| |
| /** |
| * @return The Map for active workers |
| */ |
| public ConcurrentMap<String, Worker> getWorkers() { |
| return workers; |
| } |
| |
| /** |
| * @return The Map for inactive workers |
| */ |
| public ConcurrentMap<String, Worker> getInactiveWorkers() { |
| return inactiveWorkers; |
| } |
| |
| /** |
| * |
| * @return The Map for query master containers |
| */ |
| public ConcurrentMap<QueryId, ContainerIdProto> getQueryMasterContainer() { |
| return qmContainerMap; |
| } |
| |
| public Set<String> getQueryMasterWorker() { |
| return liveQueryMasterWorkerResources; |
| } |
| } |