| /* |
| * 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.execute.task.subtask; |
| |
| import org.apache.iotdb.commons.exception.IllegalPathException; |
| import org.apache.iotdb.db.exception.WriteProcessException; |
| import org.apache.iotdb.db.storageengine.dataregion.compaction.execute.utils.executor.fast.AlignedSeriesCompactionExecutor; |
| import org.apache.iotdb.db.storageengine.dataregion.compaction.execute.utils.executor.fast.NonAlignedSeriesCompactionExecutor; |
| import org.apache.iotdb.db.storageengine.dataregion.compaction.execute.utils.writer.AbstractCompactionWriter; |
| import org.apache.iotdb.db.storageengine.dataregion.modification.Modification; |
| import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource; |
| |
| import org.apache.tsfile.exception.write.PageException; |
| import org.apache.tsfile.file.metadata.IDeviceID; |
| import org.apache.tsfile.read.TsFileSequenceReader; |
| import org.apache.tsfile.utils.Pair; |
| import org.apache.tsfile.write.schema.IMeasurementSchema; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| |
| @SuppressWarnings("squid:S107") |
| public class FastCompactionPerformerSubTask implements Callable<Void> { |
| |
| private FastCompactionTaskSummary summary; |
| |
| private AbstractCompactionWriter compactionWriter; |
| |
| private int subTaskId; |
| |
| // measurement -> tsfile resource -> timeseries metadata <startOffset, endOffset> |
| // used to get the chunk metadatas from tsfile directly according to timeseries metadata offset. |
| private Map<String, Map<TsFileResource, Pair<Long, Long>>> timeseriesMetadataOffsetMap; |
| |
| private Map<TsFileResource, TsFileSequenceReader> readerCacheMap; |
| |
| private final Map<TsFileResource, List<Modification>> modificationCacheMap; |
| |
| // source files which are sorted by the start time of current device from old to new. Notice: If |
| // the type of timeIndex is FileTimeIndex, it may contain resources in which the current device |
| // does not exist. |
| private List<TsFileResource> sortedSourceFiles; |
| |
| private final boolean isAligned; |
| |
| private IDeviceID deviceId; |
| |
| private List<String> measurements; |
| |
| private List<IMeasurementSchema> measurementSchemas; |
| |
| /** Used for nonAligned timeseries. */ |
| @SuppressWarnings("squid:S107") |
| public FastCompactionPerformerSubTask( |
| AbstractCompactionWriter compactionWriter, |
| Map<String, Map<TsFileResource, Pair<Long, Long>>> timeseriesMetadataOffsetMap, |
| Map<TsFileResource, TsFileSequenceReader> readerCacheMap, |
| Map<TsFileResource, List<Modification>> modificationCacheMap, |
| List<TsFileResource> sortedSourceFiles, |
| List<String> measurements, |
| IDeviceID deviceId, |
| FastCompactionTaskSummary summary, |
| int subTaskId) { |
| this.compactionWriter = compactionWriter; |
| this.subTaskId = subTaskId; |
| this.timeseriesMetadataOffsetMap = timeseriesMetadataOffsetMap; |
| this.isAligned = false; |
| this.deviceId = deviceId; |
| this.readerCacheMap = readerCacheMap; |
| this.modificationCacheMap = modificationCacheMap; |
| this.sortedSourceFiles = sortedSourceFiles; |
| this.measurements = measurements; |
| this.summary = summary; |
| } |
| |
| /** Used for aligned timeseries. */ |
| public FastCompactionPerformerSubTask( |
| AbstractCompactionWriter compactionWriter, |
| Map<String, Map<TsFileResource, Pair<Long, Long>>> timeseriesMetadataOffsetMap, |
| Map<TsFileResource, TsFileSequenceReader> readerCacheMap, |
| Map<TsFileResource, List<Modification>> modificationCacheMap, |
| List<TsFileResource> sortedSourceFiles, |
| List<IMeasurementSchema> measurementSchemas, |
| IDeviceID deviceId, |
| FastCompactionTaskSummary summary) { |
| this.compactionWriter = compactionWriter; |
| this.subTaskId = 0; |
| this.timeseriesMetadataOffsetMap = timeseriesMetadataOffsetMap; |
| this.isAligned = true; |
| this.deviceId = deviceId; |
| this.readerCacheMap = readerCacheMap; |
| this.modificationCacheMap = modificationCacheMap; |
| this.sortedSourceFiles = sortedSourceFiles; |
| this.measurementSchemas = measurementSchemas; |
| this.summary = summary; |
| } |
| |
| @Override |
| public Void call() |
| throws IOException, PageException, WriteProcessException, IllegalPathException { |
| if (!isAligned) { |
| NonAlignedSeriesCompactionExecutor seriesCompactionExecutor = |
| new NonAlignedSeriesCompactionExecutor( |
| compactionWriter, |
| readerCacheMap, |
| modificationCacheMap, |
| sortedSourceFiles, |
| deviceId, |
| subTaskId, |
| summary); |
| for (String measurement : measurements) { |
| seriesCompactionExecutor.setNewMeasurement(timeseriesMetadataOffsetMap.get(measurement)); |
| seriesCompactionExecutor.execute(); |
| } |
| } else { |
| AlignedSeriesCompactionExecutor seriesCompactionExecutor = |
| new AlignedSeriesCompactionExecutor( |
| compactionWriter, |
| timeseriesMetadataOffsetMap, |
| readerCacheMap, |
| modificationCacheMap, |
| sortedSourceFiles, |
| deviceId, |
| subTaskId, |
| measurementSchemas, |
| summary); |
| seriesCompactionExecutor.execute(); |
| } |
| return null; |
| } |
| } |