| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.container.common.statemachine.commandhandler; |
| |
| import org.apache.hadoop.hdds.protocol.proto |
| .StorageContainerDatanodeProtocolProtos.SCMCommandProto; |
| import org.apache.hadoop.ozone.container.common.statemachine |
| .SCMConnectionManager; |
| import org.apache.hadoop.ozone.container.common.statemachine.StateContext; |
| import org.apache.hadoop.ozone.container.ozoneimpl.ContainerController; |
| import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer; |
| import org.apache.hadoop.ozone.protocol.commands.DeleteContainerCommand; |
| import org.apache.hadoop.ozone.protocol.commands.SCMCommand; |
| import org.apache.hadoop.util.Time; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| /** |
| * Handler to process the DeleteContainerCommand from SCM. |
| */ |
| public class DeleteContainerCommandHandler implements CommandHandler { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(DeleteContainerCommandHandler.class); |
| |
| private int invocationCount; |
| private long totalTime; |
| |
| @Override |
| public void handle(final SCMCommand command, |
| final OzoneContainer ozoneContainer, |
| final StateContext context, |
| final SCMConnectionManager connectionManager) { |
| final long startTime = Time.monotonicNow(); |
| invocationCount++; |
| try { |
| final DeleteContainerCommand deleteContainerCommand = |
| (DeleteContainerCommand) command; |
| final ContainerController controller = ozoneContainer.getController(); |
| controller.deleteContainer(deleteContainerCommand.getContainerID(), |
| deleteContainerCommand.isForce()); |
| } catch (IOException e) { |
| LOG.error("Exception occurred while deleting the container.", e); |
| } finally { |
| totalTime += Time.monotonicNow() - startTime; |
| } |
| |
| } |
| |
| @Override |
| public SCMCommandProto.Type getCommandType() { |
| return SCMCommandProto.Type.deleteContainerCommand; |
| } |
| |
| @Override |
| public int getInvocationCount() { |
| return this.invocationCount; |
| } |
| |
| @Override |
| public long getAverageRunTime() { |
| return invocationCount == 0 ? 0 : totalTime / invocationCount; |
| } |
| } |