| /* |
| * 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.db.storageengine.dataregion.compaction.io; |
| |
| import org.apache.iotdb.db.service.metrics.CompactionMetrics; |
| import org.apache.iotdb.db.storageengine.dataregion.compaction.schedule.CompactionTaskManager; |
| import org.apache.iotdb.db.storageengine.dataregion.compaction.schedule.constant.CompactionIoDataType; |
| import org.apache.iotdb.db.storageengine.dataregion.compaction.schedule.constant.CompactionType; |
| import org.apache.iotdb.tsfile.file.metadata.ChunkMetadata; |
| import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.file.metadata.statistics.Statistics; |
| import org.apache.iotdb.tsfile.read.common.Chunk; |
| import org.apache.iotdb.tsfile.write.chunk.AlignedChunkWriterImpl; |
| import org.apache.iotdb.tsfile.write.chunk.IChunkWriter; |
| import org.apache.iotdb.tsfile.write.writer.TsFileIOWriter; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.Serializable; |
| |
| public class CompactionTsFileWriter extends TsFileIOWriter { |
| CompactionType type; |
| |
| private volatile boolean isWritingAligned = false; |
| private boolean isEmptyTargetFile = true; |
| |
| public CompactionTsFileWriter(File file, long maxMetadataSize, CompactionType type) |
| throws IOException { |
| super(file, maxMetadataSize); |
| this.type = type; |
| super.out = |
| new CompactionTsFileOutput( |
| super.out, CompactionTaskManager.getInstance().getMergeWriteRateLimiter()); |
| } |
| |
| public void markStartingWritingAligned() { |
| isWritingAligned = true; |
| } |
| |
| public void markEndingWritingAligned() { |
| isWritingAligned = false; |
| } |
| |
| public void writeChunk(IChunkWriter chunkWriter) throws IOException { |
| boolean isAligned = chunkWriter instanceof AlignedChunkWriterImpl; |
| long beforeOffset = this.getPos(); |
| if (!chunkWriter.isEmpty()) { |
| isEmptyTargetFile = false; |
| } |
| chunkWriter.writeToFileWriter(this); |
| long writtenDataSize = this.getPos() - beforeOffset; |
| CompactionMetrics.getInstance() |
| .recordWriteInfo( |
| type, |
| isAligned ? CompactionIoDataType.ALIGNED : CompactionIoDataType.NOT_ALIGNED, |
| writtenDataSize); |
| } |
| |
| @Override |
| public void writeChunk(Chunk chunk, ChunkMetadata chunkMetadata) throws IOException { |
| long beforeOffset = this.getPos(); |
| if (chunkMetadata.getNumOfPoints() != 0) { |
| isEmptyTargetFile = false; |
| } |
| super.writeChunk(chunk, chunkMetadata); |
| long writtenDataSize = this.getPos() - beforeOffset; |
| CompactionMetrics.getInstance() |
| .recordWriteInfo( |
| type, |
| isWritingAligned ? CompactionIoDataType.ALIGNED : CompactionIoDataType.NOT_ALIGNED, |
| writtenDataSize); |
| } |
| |
| @Override |
| public void writeEmptyValueChunk( |
| String measurementId, |
| CompressionType compressionType, |
| TSDataType tsDataType, |
| TSEncoding encodingType, |
| Statistics<? extends Serializable> statistics) |
| throws IOException { |
| long beforeOffset = this.getPos(); |
| super.writeEmptyValueChunk( |
| measurementId, compressionType, tsDataType, encodingType, statistics); |
| long writtenDataSize = this.getPos() - beforeOffset; |
| CompactionMetrics.getInstance() |
| .recordWriteInfo(type, CompactionIoDataType.ALIGNED, writtenDataSize); |
| } |
| |
| @Override |
| public int checkMetadataSizeAndMayFlush() throws IOException { |
| int size = super.checkMetadataSizeAndMayFlush(); |
| CompactionMetrics.getInstance().recordWriteInfo(type, CompactionIoDataType.METADATA, size); |
| return size; |
| } |
| |
| @Override |
| public void endFile() throws IOException { |
| long beforeSize = this.getPos(); |
| super.endFile(); |
| long writtenDataSize = this.getPos() - beforeSize; |
| CompactionMetrics.getInstance() |
| .recordWriteInfo(type, CompactionIoDataType.METADATA, writtenDataSize); |
| } |
| |
| public boolean isEmptyTargetFile() { |
| return isEmptyTargetFile; |
| } |
| } |