JerryYue-M commented on code in PR #5445: URL: https://github.com/apache/hudi/pull/5445#discussion_r865574428
########## hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/util/HoodiePipeline.java: ########## @@ -0,0 +1,263 @@ +/* + * 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.util; + +import org.apache.hudi.exception.HoodieException; +import org.apache.hudi.table.HoodieTableFactory; + +import org.apache.flink.configuration.ConfigOption; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.datastream.DataStreamSink; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.table.api.EnvironmentSettings; +import org.apache.flink.table.api.internal.TableEnvironmentImpl; +import org.apache.flink.table.catalog.Catalog; +import org.apache.flink.table.catalog.ObjectIdentifier; +import org.apache.flink.table.catalog.ObjectPath; +import org.apache.flink.table.catalog.ResolvedCatalogTable; +import org.apache.flink.table.catalog.exceptions.TableNotExistException; +import org.apache.flink.table.connector.sink.DataStreamSinkProvider; +import org.apache.flink.table.connector.source.DataStreamScanProvider; +import org.apache.flink.table.connector.source.ScanTableSource; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.factories.FactoryUtil; +import org.apache.flink.table.runtime.connector.sink.SinkRuntimeProviderContext; +import org.apache.flink.table.runtime.connector.source.ScanRuntimeProviderContext; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +/** + * A tool class to construct hoodie flink pipeline. + * + * <p>How to use ?</p> + * Method {@link #builder(String)} returns a pipeline builder. The builder + * can then define the hudi table columns, primary keys and partitions. + * + * <p>An example:</p> + * <pre> + * HoodiePipeline.Builder builder = HoodiePipeline.builder("myTable"); + * DataStreamSink<?> sinkStream = builder + * .column("f0 int") + * .column("f1 varchar(10)") + * .column("f2 varchar(20)") + * .pk("f0,f1") + * .partition("f2") + * .sink(input, false); + * </pre> + */ +public class HoodiePipeline { + + private static final Logger LOG = LogManager.getLogger(HoodiePipeline.class); + + /** + * Returns the builder for hoodie pipeline construction. + */ + public static Builder builder(String tableName) { + return new Builder(tableName); + } + + /** + * Builder for hudi source/sink pipeline construction. + */ + public static class Builder { + private final String tableName; + private final List<String> columns; + private final Map<String, String> options; + + private String pk; + private List<String> partitions; + + public Builder self() { + return this; Review Comment: Indeed. I will change it to return this for more straight-forward view -- 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]
