| /* |
| * 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.query.reader.chunk.metadata; |
| |
| import org.apache.iotdb.db.engine.querycontext.ReadOnlyMemChunk; |
| import org.apache.iotdb.db.engine.storagegroup.TsFileResource; |
| import org.apache.iotdb.db.metadata.PartialPath; |
| import org.apache.iotdb.db.query.context.QueryContext; |
| import org.apache.iotdb.tsfile.file.metadata.IChunkMetadata; |
| import org.apache.iotdb.tsfile.file.metadata.ITimeSeriesMetadata; |
| import org.apache.iotdb.tsfile.read.controller.IChunkMetadataLoader; |
| import org.apache.iotdb.tsfile.read.filter.basic.Filter; |
| |
| import java.util.List; |
| |
| public class MemChunkMetadataLoader implements IChunkMetadataLoader { |
| |
| private TsFileResource resource; |
| private PartialPath seriesPath; |
| private QueryContext context; |
| private Filter timeFilter; |
| |
| public MemChunkMetadataLoader( |
| TsFileResource resource, PartialPath seriesPath, QueryContext context, Filter timeFilter) { |
| this.resource = resource; |
| this.seriesPath = seriesPath; |
| this.context = context; |
| this.timeFilter = timeFilter; |
| } |
| |
| @Override |
| public List<IChunkMetadata> loadChunkMetadataList(ITimeSeriesMetadata timeseriesMetadata) { |
| List<IChunkMetadata> chunkMetadataList = resource.getChunkMetadataList(); |
| |
| DiskChunkMetadataLoader.setDiskChunkLoader(chunkMetadataList, resource, seriesPath, context); |
| |
| List<ReadOnlyMemChunk> memChunks = resource.getReadOnlyMemChunk(); |
| if (memChunks != null) { |
| for (ReadOnlyMemChunk readOnlyMemChunk : memChunks) { |
| if (!memChunks.isEmpty()) { |
| chunkMetadataList.add(readOnlyMemChunk.getChunkMetaData()); |
| } |
| } |
| } |
| /* |
| * remove not satisfied ChunkMetaData |
| */ |
| chunkMetadataList.removeIf( |
| chunkMetaData -> |
| (timeFilter != null |
| && !timeFilter.satisfyStartEndTime( |
| chunkMetaData.getStartTime(), chunkMetaData.getEndTime())) |
| || chunkMetaData.getStartTime() > chunkMetaData.getEndTime()); |
| |
| for (IChunkMetadata metadata : chunkMetadataList) { |
| metadata.setVersion(resource.getVersion()); |
| } |
| return chunkMetadataList; |
| } |
| |
| @Override |
| public boolean isMemChunkMetadataLoader() { |
| return true; |
| } |
| } |