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Subject [GitHub] [incubator-hudi] bvaradar commented on a change in pull request #1150: [HUDI-288]: Add support for ingesting multiple kafka streams in a single DeltaStreamer deployment
Date Sun, 22 Mar 2020 20:17:09 GMT
bvaradar commented on a change in pull request #1150: [HUDI-288]: Add support for ingesting
multiple kafka streams in a single DeltaStreamer deployment
URL: https://github.com/apache/incubator-hudi/pull/1150#discussion_r396132561
 
 

 ##########
 File path: hudi-utilities/src/main/java/org/apache/hudi/utilities/deltastreamer/HoodieMultiTableDeltaStreamer.java
 ##########
 @@ -0,0 +1,259 @@
+/*
+ * 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.deltastreamer;
+
+import org.apache.hadoop.fs.FileUtil;
+import org.apache.hudi.DataSourceWriteOptions;
+import org.apache.hudi.common.util.FSUtils;
+import org.apache.hudi.common.util.TypedProperties;
+import org.apache.hudi.exception.HoodieException;
+import org.apache.hudi.utilities.UtilHelpers;
+import org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.Config;
+import org.apache.hudi.utilities.schema.SchemaRegistryProvider;
+
+import com.beust.jcommander.JCommander;
+import com.google.common.base.Strings;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.spark.api.java.JavaSparkContext;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Wrapper over HoodieDeltaStreamer.java class.
+ * Helps with ingesting incremental data into hoodie datasets for multiple tables.
+ * Currently supports only COPY_ON_WRITE storage type.
+ */
+public class HoodieMultiTableDeltaStreamer {
+
+  private static Logger logger = LogManager.getLogger(HoodieMultiTableDeltaStreamer.class);
+
+  private List<TableExecutionObject> tableExecutionObjects;
+  private transient JavaSparkContext jssc;
+  private Set<String> successTables;
+  private Set<String> failedTables;
+
+  public HoodieMultiTableDeltaStreamer(String[] args, JavaSparkContext jssc) throws IOException
{
 
 Review comment:
   Instead of passing String[] args, Can you define a  inner Config class for HoodieMultiTableDeltaStreamer
in the same way done for HoodieDeltaStreamer ? 

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