| /** |
| * 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.common; |
| |
| import org.apache.hadoop.hdds.client.BlockID; |
| import org.apache.hadoop.hdds.scm.container.common.helpers.DeleteBlockResult; |
| import org.apache.hadoop.hdds.protocol.proto.ScmBlockLocationProtocolProtos |
| .DeleteScmBlockResult; |
| import org.apache.hadoop.hdds.protocol.proto.ScmBlockLocationProtocolProtos |
| .DeleteScmBlockResult.Result; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| /** |
| * Result to delete a group of blocks. |
| */ |
| public class DeleteBlockGroupResult { |
| private String objectKey; |
| private List<DeleteBlockResult> blockResultList; |
| public DeleteBlockGroupResult(String objectKey, |
| List<DeleteBlockResult> blockResultList) { |
| this.objectKey = objectKey; |
| this.blockResultList = blockResultList; |
| } |
| |
| public String getObjectKey() { |
| return objectKey; |
| } |
| |
| public List<DeleteBlockResult> getBlockResultList() { |
| return blockResultList; |
| } |
| |
| public List<DeleteScmBlockResult> getBlockResultProtoList() { |
| List<DeleteScmBlockResult> resultProtoList = |
| new ArrayList<>(blockResultList.size()); |
| for (DeleteBlockResult result : blockResultList) { |
| DeleteScmBlockResult proto = DeleteScmBlockResult.newBuilder() |
| .setBlockID(result.getBlockID().getProtobuf()) |
| .setResult(result.getResult()).build(); |
| resultProtoList.add(proto); |
| } |
| return resultProtoList; |
| } |
| |
| public static List<DeleteBlockResult> convertBlockResultProto( |
| List<DeleteScmBlockResult> results) { |
| List<DeleteBlockResult> protoResults = new ArrayList<>(results.size()); |
| for (DeleteScmBlockResult result : results) { |
| protoResults.add(new DeleteBlockResult(BlockID.getFromProtobuf( |
| result.getBlockID()), result.getResult())); |
| } |
| return protoResults; |
| } |
| |
| /** |
| * Only if all blocks are successfully deleted, this group is considered |
| * to be successfully executed. |
| * |
| * @return true if all blocks are successfully deleted, false otherwise. |
| */ |
| public boolean isSuccess() { |
| for (DeleteBlockResult result : blockResultList) { |
| if (result.getResult() != Result.success) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * @return A list of deletion failed block IDs. |
| */ |
| public List<BlockID> getFailedBlocks() { |
| List<BlockID> failedBlocks = blockResultList.stream() |
| .filter(result -> result.getResult() != Result.success) |
| .map(DeleteBlockResult::getBlockID).collect(Collectors.toList()); |
| return failedBlocks; |
| } |
| } |