bhattmanish98 commented on code in PR #7265: URL: https://github.com/apache/hadoop/pull/7265#discussion_r1931752429
########## hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/BlobRenameHandler.java: ########## @@ -0,0 +1,652 @@ +/** + * 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.hadoop.fs.azurebfs.services; + +import java.net.HttpURLConnection; +import java.net.MalformedURLException; +import java.net.URISyntaxException; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.atomic.AtomicInteger; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.hadoop.classification.VisibleForTesting; +import org.apache.hadoop.fs.Path; +import org.apache.hadoop.fs.PathIOException; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AbfsRestOperationException; +import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException; +import org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode; +import org.apache.hadoop.fs.azurebfs.enums.BlobCopyProgress; +import org.apache.hadoop.fs.azurebfs.utils.TracingContext; + +import static org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore.extractEtagHeader; +import static org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants.COPY_STATUS_ABORTED; +import static org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants.COPY_STATUS_FAILED; +import static org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants.COPY_STATUS_SUCCESS; +import static org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants.ROOT_PATH; +import static org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations.X_MS_COPY_ID; +import static org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations.X_MS_COPY_SOURCE; +import static org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations.X_MS_COPY_STATUS; +import static org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations.X_MS_COPY_STATUS_DESCRIPTION; +import static org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode.COPY_BLOB_ABORTED; +import static org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode.COPY_BLOB_FAILED; +import static org.apache.hadoop.fs.azurebfs.contracts.services.AzureServiceErrorCode.RENAME_DESTINATION_PARENT_PATH_NOT_FOUND; + +/** + * Orchestrator for rename over Blob endpoint. Handles both directory and file + * renames. Blob Endpoint does not expose rename API, this class is responsible + * for copying the blobs and deleting the source blobs. + * <p> + * For directory rename, it recursively lists the blobs in the source directory and + * copies them to the destination directory. + */ +public class BlobRenameHandler extends ListActionTaker { + + public static final Logger LOG = LoggerFactory.getLogger(AbfsClient.class); + + private final String srcEtag; + + private final Path src, dst; + + private final boolean isAtomicRename, isAtomicRenameRecovery; + + private final TracingContext tracingContext; + + private AbfsLease srcAbfsLease; + + private String srcLeaseId; + + private final List<AbfsLease> leases = new ArrayList<>(); + + private final AtomicInteger operatedBlobCount = new AtomicInteger(0); + + /** Constructor. + * + * @param src source path + * @param dst destination path + * @param abfsClient AbfsBlobClient to use for the rename operation + * @param srcEtag eTag of the source path + * @param isAtomicRename true if the rename operation is atomic + * @param isAtomicRenameRecovery true if the rename operation is a recovery of a previous failed atomic rename operation + * @param tracingContext object of tracingContext used for the tracing of the server calls. + */ + public BlobRenameHandler(final String src, + final String dst, + final AbfsBlobClient abfsClient, + final String srcEtag, + final boolean isAtomicRename, + final boolean isAtomicRenameRecovery, + final TracingContext tracingContext) { + super(new Path(src), abfsClient, tracingContext); + this.srcEtag = srcEtag; + this.tracingContext = tracingContext; + this.src = new Path(src); + this.dst = new Path(dst); + this.isAtomicRename = isAtomicRename; + this.isAtomicRenameRecovery = isAtomicRenameRecovery; + } + + public BlobRenameHandler(final String src, Review Comment: Taken! -- This is an automated message from the Apache Git Service. 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