| /* |
| * 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.iotdb.flink.tsfile; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileConfig; |
| import org.apache.iotdb.tsfile.exception.write.WriteProcessException; |
| import org.apache.iotdb.tsfile.write.record.TSRecord; |
| import org.apache.iotdb.tsfile.write.schema.Schema; |
| |
| import org.apache.flink.util.Collector; |
| import org.apache.flink.util.FlinkRuntimeException; |
| |
| import java.io.IOException; |
| |
| /** |
| * Output format that writes TsFiles by {@link TSRecord}. Users need to provide a {@link |
| * TSRecordConverter} used to convert the upstream data to {@link TSRecord}. |
| * |
| * @param <T> The input type of this output format. |
| */ |
| public class TSRecordOutputFormat<T> extends TsFileOutputFormat<T> { |
| |
| private final TSRecordConverter<T> converter; |
| |
| private transient TSRecordCollector tsRecordCollector = null; |
| |
| public TSRecordOutputFormat(String path, Schema schema, TSRecordConverter<T> converter) { |
| this(path, schema, converter, null); |
| } |
| |
| public TSRecordOutputFormat(Schema schema, TSRecordConverter<T> converter) { |
| super(null, schema, null); |
| this.converter = converter; |
| } |
| |
| public TSRecordOutputFormat( |
| String path, Schema schema, TSRecordConverter<T> converter, TSFileConfig config) { |
| super(path, schema, config); |
| this.converter = converter; |
| } |
| |
| @Override |
| public void open(int taskNumber, int numTasks) throws IOException { |
| super.open(taskNumber, numTasks); |
| converter.open(schema); |
| tsRecordCollector = new TSRecordCollector(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| converter.close(); |
| super.close(); |
| } |
| |
| @Override |
| public void writeRecord(T t) throws IOException { |
| try { |
| converter.convert(t, tsRecordCollector); |
| } catch (FlinkRuntimeException e) { |
| throw new IOException(e.getCause()); |
| } |
| } |
| |
| private class TSRecordCollector implements Collector<TSRecord> { |
| |
| @Override |
| public void collect(TSRecord tsRecord) { |
| try { |
| writer.write(tsRecord); |
| } catch (IOException | WriteProcessException e) { |
| throw new FlinkRuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void close() {} |
| } |
| |
| public TSRecordConverter<T> getConverter() { |
| return converter; |
| } |
| } |