| /* |
| * 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.asterix.runtime.message; |
| |
| import java.rmi.RemoteException; |
| import java.util.Set; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.asterix.common.api.IAsterixAppRuntimeContext; |
| import org.apache.asterix.common.exceptions.ExceptionUtils; |
| import org.apache.asterix.common.messaging.api.INCMessageBroker; |
| import org.apache.asterix.transaction.management.resource.PersistentLocalResourceRepository; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.api.service.IControllerService; |
| import org.apache.hyracks.control.nc.NodeControllerService; |
| |
| public class PreparePartitionsFailbackRequestMessage extends AbstractFailbackPlanMessage { |
| |
| private static final long serialVersionUID = 1L; |
| private static final Logger LOGGER = Logger.getLogger(PreparePartitionsFailbackRequestMessage.class.getName()); |
| private final Set<Integer> partitions; |
| private boolean releaseMetadataNode = false; |
| private final String nodeID; |
| |
| public PreparePartitionsFailbackRequestMessage(long planId, int requestId, String nodeId, Set<Integer> partitions) { |
| super(planId, requestId); |
| this.nodeID = nodeId; |
| this.partitions = partitions; |
| } |
| |
| public Set<Integer> getPartitions() { |
| return partitions; |
| } |
| |
| public boolean isReleaseMetadataNode() { |
| return releaseMetadataNode; |
| } |
| |
| public void setReleaseMetadataNode(boolean releaseMetadataNode) { |
| this.releaseMetadataNode = releaseMetadataNode; |
| } |
| |
| public String getNodeID() { |
| return nodeID; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(PreparePartitionsFailbackRequestMessage.class.getSimpleName()); |
| sb.append(" Plan ID: " + planId); |
| sb.append(" Partitions: " + partitions); |
| sb.append(" releaseMetadataNode: " + releaseMetadataNode); |
| return sb.toString(); |
| } |
| |
| @Override |
| public void handle(IControllerService cs) throws HyracksDataException, InterruptedException { |
| NodeControllerService ncs = (NodeControllerService) cs; |
| IAsterixAppRuntimeContext appContext = |
| (IAsterixAppRuntimeContext) ncs.getApplicationContext().getApplicationObject(); |
| INCMessageBroker broker = (INCMessageBroker) ncs.getApplicationContext().getMessageBroker(); |
| /** |
| * if the metadata partition will be failed back |
| * we need to flush and close all datasets including metadata datasets |
| * otherwise we need to close all non-metadata datasets and flush metadata datasets |
| * so that their memory components will be copied to the failing back node |
| */ |
| if (releaseMetadataNode) { |
| appContext.getDatasetLifecycleManager().closeAllDatasets(); |
| //remove the metadata node stub from RMI registry |
| try { |
| appContext.unexportMetadataNodeStub(); |
| } catch (RemoteException e) { |
| LOGGER.log(Level.SEVERE, "Failed unexporting metadata stub", e); |
| throw ExceptionUtils.convertToHyracksDataException(e); |
| } |
| } else { |
| //close all non-metadata datasets |
| appContext.getDatasetLifecycleManager().closeUserDatasets(); |
| //flush the remaining metadata datasets that were not closed |
| appContext.getDatasetLifecycleManager().flushAllDatasets(); |
| } |
| |
| //mark the partitions to be closed as inactive |
| PersistentLocalResourceRepository localResourceRepo = (PersistentLocalResourceRepository) appContext |
| .getLocalResourceRepository(); |
| for (Integer partitionId : partitions) { |
| localResourceRepo.addInactivePartition(partitionId); |
| } |
| |
| //send response after partitions prepared for failback |
| PreparePartitionsFailbackResponseMessage reponse = new PreparePartitionsFailbackResponseMessage(planId, |
| requestId, partitions); |
| try { |
| broker.sendMessageToCC(reponse); |
| } catch (Exception e) { |
| LOGGER.log(Level.SEVERE, "Failed sending message to cc", e); |
| throw ExceptionUtils.convertToHyracksDataException(e); |
| } |
| } |
| } |