anmolanmol1234 commented on code in PR #7272:
URL: https://github.com/apache/hadoop/pull/7272#discussion_r1930123341
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsBlobClient.java:
##########
@@ -611,6 +818,54 @@ public AbfsRestOperation append(final String path,
return op;
}
+ /**
+ * Appends a block to an append blob.
+ * <a href="../../../../site/markdown/blobEndpoint.md#append-block">Append
Block</a>.
+ *
+ * @param path the path of the append blob.
+ * @param requestParameters the parameters for the append request.
+ * @param data the data to be appended.
+ * @param tracingContext the tracing context.
+ * @return the executed rest operation containing the response from the
server.
+ * @throws AzureBlobFileSystemException if the rest operation fails.
+ */
+ public AbfsRestOperation appendBlock(final String path,
+ AppendRequestParameters requestParameters,
+ final byte[] data,
+ final TracingContext tracingContext) throws AzureBlobFileSystemException
{
+ final List<AbfsHttpHeader> requestHeaders = createDefaultHeaders();
+ requestHeaders.add(new AbfsHttpHeader(CONTENT_LENGTH,
String.valueOf(data.length)));
+ requestHeaders.add(new AbfsHttpHeader(X_MS_BLOB_TYPE, APPEND_BLOB_TYPE));
+ if (requestParameters.getLeaseId() != null) {
+ requestHeaders.add(new AbfsHttpHeader(X_MS_LEASE_ID,
requestParameters.getLeaseId()));
+ }
+ final AbfsUriQueryBuilder abfsUriQueryBuilder =
createDefaultUriQueryBuilder();
+ abfsUriQueryBuilder.addQuery(QUERY_PARAM_COMP, APPEND_BLOCK);
+ String sasTokenForReuse = appendSASTokenToQuery(path,
SASTokenProvider.FIXED_SAS_STORE_OPERATION, abfsUriQueryBuilder);
+
+ final URL url = createRequestUrl(path, abfsUriQueryBuilder.toString());
+ final AbfsRestOperation op = getAbfsRestOperation(
+ AbfsRestOperationType.AppendBlock,
+ HTTP_METHOD_PUT,
+ url,
+ requestHeaders,
+ data,
+ requestParameters.getoffset(),
+ requestParameters.getLength(),
+ sasTokenForReuse);
+
+ try {
+ op.execute(tracingContext);
+ } catch (AzureBlobFileSystemException ex) {
+ // If we have no HTTP response, throw the original exception.
+ if (!op.hasResult()) {
+ throw ex;
Review Comment:
taken
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