/* * 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.flink.connectors.hive.write; import org.apache.flink.configuration.Configuration; import org.apache.flink.core.fs.Path; import org.apache.flink.runtime.fs.hdfs.HadoopFileSystem; import org.apache.flink.table.filesystem.OutputFormatFactory; import org.apache.flink.types.Row; import org.apache.hadoop.hive.ql.exec.FileSinkOperator.RecordWriter; import org.apache.hadoop.io.Writable; import java.io.IOException; import java.util.function.Function; /** * Hive {@link OutputFormatFactory}, use {@link RecordWriter} to write record. */ public class HiveOutputFormatFactory implements OutputFormatFactory<Row> { private static final long serialVersionUID = 2L; private final HiveWriterFactory factory; public HiveOutputFormatFactory(HiveWriterFactory factory) { this.factory = factory; } @Override public HiveOutputFormat createOutputFormat(Path path) { return new HiveOutputFormat( factory.createRecordWriter(HadoopFileSystem.toHadoopPath(path)), factory.createRowConverter()); } private class HiveOutputFormat implements org.apache.flink.api.common.io.OutputFormat<Row> { private final RecordWriter recordWriter; private final Function<Row, Writable> rowConverter; private HiveOutputFormat(RecordWriter recordWriter, Function<Row, Writable> rowConverter) { this.recordWriter = recordWriter; this.rowConverter = rowConverter; } @Override public void configure(Configuration parameters) { } @Override public void open(int taskNumber, int numTasks) { } @Override public void writeRecord(Row record) throws IOException { recordWriter.write(rowConverter.apply(record)); } @Override public void close() throws IOException { recordWriter.close(false); } } }