EricJoy2048 commented on code in PR #2555: URL: https://github.com/apache/incubator-seatunnel/pull/2555#discussion_r956868160
########## seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/sink/writer/JsonWriteStrategy.java: ########## @@ -0,0 +1,98 @@ +/* + * 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.seatunnel.connectors.seatunnel.file.sink.writer; + +import org.apache.seatunnel.api.serialization.SerializationSchema; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.connectors.seatunnel.file.sink.config.TextFileSinkConfig; +import org.apache.seatunnel.connectors.seatunnel.file.sink.util.FileSystemUtils; +import org.apache.seatunnel.format.json.JsonSerializationSchema; + +import lombok.NonNull; +import org.apache.hadoop.fs.FSDataOutputStream; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; + +public class JsonWriteStrategy extends AbstractWriteStrategy { + private final byte[] rowDelimiter; + private SerializationSchema serializationSchema; + private final Map<String, FSDataOutputStream> beingWrittenOutputStream; + + public JsonWriteStrategy(TextFileSinkConfig textFileSinkConfig) { + super(textFileSinkConfig); + this.beingWrittenOutputStream = new HashMap<>(); + this.rowDelimiter = textFileSinkConfig.getRowDelimiter().getBytes(); + } + + @Override + public void setSeaTunnelRowTypeInfo(SeaTunnelRowType seaTunnelRowType) { + super.setSeaTunnelRowTypeInfo(seaTunnelRowType); + this.serializationSchema = new JsonSerializationSchema(seaTunnelRowType); + } + + @Override + public void write(@NonNull SeaTunnelRow seaTunnelRow) { + String filePath = getOrCreateFilePathBeingWritten(seaTunnelRow); + FSDataOutputStream fsDataOutputStream = getOrCreateOutputStream(filePath); + try { + byte[] rowBytes = serializationSchema.serialize(seaTunnelRow); + fsDataOutputStream.write(rowBytes); + fsDataOutputStream.write(rowDelimiter); + } catch (IOException e) { + log.error("write data to file {} error", filePath); + throw new RuntimeException(e); + } Review Comment: Should we close the `fsDataOutputStream` in a `finally` code block? ########## seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/sink/writer/TextWriteStrategy.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.seatunnel.connectors.seatunnel.file.sink.writer; + +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.connectors.seatunnel.file.sink.config.TextFileSinkConfig; +import org.apache.seatunnel.connectors.seatunnel.file.sink.util.FileSystemUtils; + +import lombok.NonNull; +import org.apache.hadoop.fs.FSDataOutputStream; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; +import java.util.stream.Collectors; + +public class TextWriteStrategy extends AbstractWriteStrategy { + private final Map<String, FSDataOutputStream> beingWrittenOutputStream; + private final String fieldDelimiter; + private final String rowDelimiter; + + public TextWriteStrategy(TextFileSinkConfig textFileSinkConfig) { + super(textFileSinkConfig); + this.beingWrittenOutputStream = new HashMap<>(); + this.fieldDelimiter = textFileSinkConfig.getFieldDelimiter(); + this.rowDelimiter = textFileSinkConfig.getRowDelimiter(); + } + + @Override + public void write(@NonNull SeaTunnelRow seaTunnelRow) { + String filePath = getOrCreateFilePathBeingWritten(seaTunnelRow); + FSDataOutputStream fsDataOutputStream = getOrCreateOutputStream(filePath); + String line = transformRowToLine(seaTunnelRow); + try { + fsDataOutputStream.write(line.getBytes()); + fsDataOutputStream.write(rowDelimiter.getBytes()); + } catch (IOException e) { + log.error("write data to file {} error", filePath); + throw new RuntimeException(e); Review Comment: Same as above. ########## seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/sink/writer/JsonWriteStrategy.java: ########## @@ -0,0 +1,98 @@ +/* + * 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.seatunnel.connectors.seatunnel.file.sink.writer; + +import org.apache.seatunnel.api.serialization.SerializationSchema; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.connectors.seatunnel.file.sink.config.TextFileSinkConfig; +import org.apache.seatunnel.connectors.seatunnel.file.sink.util.FileSystemUtils; +import org.apache.seatunnel.format.json.JsonSerializationSchema; + +import lombok.NonNull; +import org.apache.hadoop.fs.FSDataOutputStream; + +import java.io.IOException; +import java.util.HashMap; +import java.util.Map; + +public class JsonWriteStrategy extends AbstractWriteStrategy { + private final byte[] rowDelimiter; + private SerializationSchema serializationSchema; + private final Map<String, FSDataOutputStream> beingWrittenOutputStream; + + public JsonWriteStrategy(TextFileSinkConfig textFileSinkConfig) { + super(textFileSinkConfig); + this.beingWrittenOutputStream = new HashMap<>(); + this.rowDelimiter = textFileSinkConfig.getRowDelimiter().getBytes(); + } + + @Override + public void setSeaTunnelRowTypeInfo(SeaTunnelRowType seaTunnelRowType) { + super.setSeaTunnelRowTypeInfo(seaTunnelRowType); + this.serializationSchema = new JsonSerializationSchema(seaTunnelRowType); + } + + @Override + public void write(@NonNull SeaTunnelRow seaTunnelRow) { + String filePath = getOrCreateFilePathBeingWritten(seaTunnelRow); + FSDataOutputStream fsDataOutputStream = getOrCreateOutputStream(filePath); + try { + byte[] rowBytes = serializationSchema.serialize(seaTunnelRow); + fsDataOutputStream.write(rowBytes); + fsDataOutputStream.write(rowDelimiter); + } catch (IOException e) { + log.error("write data to file {} error", filePath); + throw new RuntimeException(e); + } + } + + @Override + public void finishAndCloseFile() { + beingWrittenOutputStream.forEach((key, value) -> { + try { + value.flush(); + } catch (IOException e) { + log.error("error when flush file {}", key); + throw new RuntimeException(e); + } finally { + try { + value.close(); + } catch (IOException e) { + log.error("error when close output stream {}", key); + } + } + + needMoveFiles.put(key, getTargetLocation(key)); + }); + } + + private FSDataOutputStream getOrCreateOutputStream(@NonNull String filePath) { + FSDataOutputStream fsDataOutputStream = beingWrittenOutputStream.get(filePath); + if (fsDataOutputStream == null) { + try { + fsDataOutputStream = FileSystemUtils.getOutputStream(filePath); + beingWrittenOutputStream.put(filePath, fsDataOutputStream); + } catch (IOException e) { + log.error("can not get output file stream"); + throw new RuntimeException(e); + } Review Comment: Same as above and please check other places. ########## seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/sink/commit/FileCommitInfo2.java: ########## @@ -0,0 +1,48 @@ +/* + * 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.seatunnel.connectors.seatunnel.file.sink.commit; + +import lombok.AllArgsConstructor; +import lombok.Data; + +import java.io.Serializable; +import java.util.List; +import java.util.Map; + +@Data +@AllArgsConstructor +public class FileCommitInfo2 implements Serializable { Review Comment: Why we add a new file `FileCommitInfo2 ` instead of update the `FileCommitInfo` class? ########## seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/sink/writer/Transaction.java: ########## @@ -0,0 +1,45 @@ +/* + * 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.seatunnel.connectors.seatunnel.file.sink.writer; + +import org.apache.seatunnel.connectors.seatunnel.file.sink.commit.FileCommitInfo2; +import org.apache.seatunnel.connectors.seatunnel.file.sink.state.FileSinkState2; + +import java.io.Serializable; +import java.util.List; +import java.util.Optional; + +public interface Transaction extends Serializable { Review Comment: Some method be deleted, Can you explain why they were deleted? ``` /** * A new transaction needs to be started after each checkpoint is completed. * * @param checkpointId A checkpoint indicates that all tasks have a status snapshot operation * @return transactionId */ String beginTransaction(@NonNull Long checkpointId); /** * Abort current Transaction, called when {@link org.apache.seatunnel.connectors.seatunnel.file.sink.TransactionStateFileSinkWriter#prepareCommit()} or {@link org.apache.seatunnel.connectors.seatunnel.file.sink.TransactionStateFileSinkWriter#snapshotState(long)} failed */ void abortTransaction(); /** * Get all transactionIds after the @param transactionId * This method called when {@link AbstractFileSink#restoreWriter(SinkWriter.Context, List)} * We get the transactionId of the last successful commit from {@link FileSinkState} and * then all transactionIds after this transactionId is dirty transactions that need to be rollback. * * @param transactionId The transactionId of the last successful commit get from {@link FileSinkState} * @return transactionId list */ List<String> getTransactionAfter(@NonNull String transactionId); /** * rollback the transaction which is not be commit * * @param transactionIds transactionIds */ void abortTransactions(List<String> transactionIds); ``` -- This is an automated message from the Apache Git Service. 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