pramodbiligiri commented on code in PR #6665: URL: https://github.com/apache/hudi/pull/6665#discussion_r979592081
########## hudi-utilities/src/main/java/org/apache/hudi/utilities/sources/helpers/gcs/FileDataFetcher.java: ########## @@ -0,0 +1,91 @@ +/* + * 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.hudi.utilities.sources.helpers.gcs; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.apache.hudi.common.config.TypedProperties; +import org.apache.hudi.common.util.Option; +import org.apache.hudi.exception.HoodieException; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; +import org.apache.spark.sql.DataFrameReader; +import org.apache.spark.sql.Dataset; +import org.apache.spark.sql.Row; +import org.apache.spark.sql.SparkSession; +import java.io.IOException; +import java.io.Serializable; +import java.util.List; +import java.util.Map; +import static org.apache.hudi.common.util.StringUtils.isNullOrEmpty; +import static org.apache.hudi.utilities.sources.helpers.gcs.GcsIngestionConfig.SPARK_DATASOURCE_OPTIONS; + +/** + * Connects to GCS from Spark and downloads data from a given list of files. + * Assumes SparkContext is already configured with GCS options through GcsEventsHoodieIncrSource.addGcsAccessConfs(). + */ +public class FileDataFetcher implements Serializable { + + private String fileFormat; + private TypedProperties props; + + private static final Logger LOG = LogManager.getLogger(FileDataFetcher.class); + private static final long serialVersionUID = 1L; + + public FileDataFetcher(TypedProperties props, String fileFormat) { + this.fileFormat = fileFormat; + this.props = props; + } + + /** + * @param filepaths Files in GCS from which to fetch data + * @return Data in the given list of files, as a Spark DataSet + */ + public Option<Dataset<Row>> fetchFileDataFromGcs(SparkSession spark, List<String> filepaths) { Review Comment: Moving to a new util class. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
