| package org.apache.hadoop.yarn.server.resourcemanager.recovery; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ApplicationMaster; |
| import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode; |
| |
| /** |
| * 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. |
| */ |
| |
| public class MemStore implements Store { |
| RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null); |
| private NodeId nodeId; |
| private boolean doneWithRecovery = false; |
| |
| public MemStore() { |
| nodeId = recordFactory.newRecordInstance(NodeId.class); |
| nodeId.setHost("TODO"); |
| nodeId.setPort(-1); |
| } |
| |
| @Override |
| public void storeNode(RMNode node) throws IOException {} |
| |
| @Override |
| public void removeNode(RMNode node) throws IOException {} |
| |
| private class ApplicationStoreImpl implements ApplicationStore { |
| @Override |
| public void storeContainer(Container container) throws IOException {} |
| |
| @Override |
| public void removeContainer(Container container) throws IOException {} |
| |
| @Override |
| public void storeMasterContainer(Container container) throws IOException {} |
| |
| @Override |
| public void updateApplicationState( |
| ApplicationMaster master) throws IOException {} |
| |
| @Override |
| public boolean isLoggable() { |
| return doneWithRecovery; |
| } |
| |
| } |
| |
| @Override |
| public ApplicationStore createApplicationStore(ApplicationId application, |
| ApplicationSubmissionContext context) throws IOException { |
| return new ApplicationStoreImpl(); |
| } |
| |
| |
| @Override |
| public void removeApplication(ApplicationId application) throws IOException {} |
| |
| @Override |
| public RMState restore() throws IOException { |
| MemRMState state = new MemRMState(); |
| return state; |
| } |
| |
| @Override |
| public synchronized NodeId getNextNodeId() throws IOException { |
| // TODO: FIXMEVinodkv |
| // int num = nodeId.getId(); |
| // num++; |
| // nodeId.setId(num); |
| return nodeId; |
| } |
| |
| private class MemRMState implements RMState { |
| |
| public MemRMState() { |
| nodeId = recordFactory.newRecordInstance(NodeId.class); |
| } |
| |
| @Override |
| public List<RMNode> getStoredNodeManagers() { |
| return new ArrayList<RMNode>(); |
| } |
| |
| @Override |
| public NodeId getLastLoggedNodeId() { |
| return nodeId; |
| } |
| |
| @Override |
| public Map<ApplicationId, ApplicationInfo> getStoredApplications() { |
| return new HashMap<ApplicationId, Store.ApplicationInfo>(); |
| } |
| } |
| |
| @Override |
| public boolean isLoggable() { |
| return doneWithRecovery; |
| } |
| |
| @Override |
| public void doneWithRecovery() { |
| doneWithRecovery = true; |
| } |
| } |