| /* |
| * 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.mpp.execution.operator.source; |
| |
| import org.apache.iotdb.commons.path.AlignedPath; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.db.engine.storagegroup.TsFileResource; |
| import org.apache.iotdb.db.mpp.execution.fragment.FragmentInstanceContext; |
| import org.apache.iotdb.db.query.context.QueryContext; |
| import org.apache.iotdb.db.query.reader.universal.AlignedDescPriorityMergeReader; |
| import org.apache.iotdb.db.query.reader.universal.AlignedPriorityMergeReader; |
| import org.apache.iotdb.db.query.reader.universal.DescPriorityMergeReader; |
| import org.apache.iotdb.db.query.reader.universal.PriorityMergeReader; |
| import org.apache.iotdb.db.utils.FileLoaderUtils; |
| import org.apache.iotdb.tsfile.file.metadata.AlignedChunkMetadata; |
| import org.apache.iotdb.tsfile.file.metadata.AlignedTimeSeriesMetadata; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.statistics.Statistics; |
| import org.apache.iotdb.tsfile.read.common.block.TsBlock; |
| import org.apache.iotdb.tsfile.read.filter.basic.Filter; |
| import org.apache.iotdb.tsfile.read.reader.IPointReader; |
| import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| public class AlignedSeriesScanUtil extends SeriesScanUtil { |
| |
| private final List<TSDataType> dataTypes; |
| |
| public AlignedSeriesScanUtil( |
| PartialPath seriesPath, |
| Set<String> allSensors, |
| FragmentInstanceContext context, |
| Filter timeFilter, |
| Filter valueFilter, |
| boolean ascending) { |
| super(seriesPath, allSensors, TSDataType.VECTOR, context, timeFilter, valueFilter, ascending); |
| dataTypes = |
| ((AlignedPath) seriesPath) |
| .getSchemaList().stream().map(IMeasurementSchema::getType).collect(Collectors.toList()); |
| } |
| |
| @Override |
| protected Statistics currentFileStatistics(int index) throws IOException { |
| return ((AlignedTimeSeriesMetadata) firstTimeSeriesMetadata).getStatistics(index); |
| } |
| |
| @Override |
| protected Statistics currentFileTimeStatistics() throws IOException { |
| return ((AlignedTimeSeriesMetadata) firstTimeSeriesMetadata).getTimeStatistics(); |
| } |
| |
| @Override |
| protected Statistics currentChunkStatistics(int index) throws IOException { |
| return ((AlignedChunkMetadata) firstChunkMetadata).getStatistics(index); |
| } |
| |
| @Override |
| protected Statistics currentChunkTimeStatistics() { |
| return ((AlignedChunkMetadata) firstChunkMetadata).getTimeStatistics(); |
| } |
| |
| @Override |
| protected Statistics currentPageStatistics(int index) throws IOException { |
| if (firstPageReader == null) { |
| return null; |
| } |
| return firstPageReader.getStatistics(index); |
| } |
| |
| @Override |
| protected Statistics currentPageTimeStatistics() throws IOException { |
| if (firstPageReader == null) { |
| return null; |
| } |
| return firstPageReader.getTimeStatistics(); |
| } |
| |
| @Override |
| protected PriorityMergeReader getPriorityMergeReader() { |
| return new AlignedPriorityMergeReader(); |
| } |
| |
| @Override |
| protected DescPriorityMergeReader getDescPriorityMergeReader() { |
| return new AlignedDescPriorityMergeReader(); |
| } |
| |
| @Override |
| protected AlignedTimeSeriesMetadata loadTimeSeriesMetadata( |
| TsFileResource resource, |
| PartialPath seriesPath, |
| QueryContext context, |
| Filter filter, |
| Set<String> allSensors) |
| throws IOException { |
| return FileLoaderUtils.loadTimeSeriesMetadata( |
| resource, (AlignedPath) seriesPath, context, filter); |
| } |
| |
| @Override |
| protected List<TSDataType> getTsDataTypeList() { |
| return dataTypes; |
| } |
| |
| @Override |
| protected IPointReader getPointReader(TsBlock tsBlock) { |
| return tsBlock.getTsBlockAlignedRowIterator(); |
| } |
| } |