| /* |
| * 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.tsfile.file.metadata; |
| |
| 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.TimeRange; |
| import org.apache.iotdb.tsfile.read.controller.IChunkLoader; |
| |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| import java.util.List; |
| import java.util.Optional; |
| |
| public class AlignedChunkMetadata implements IChunkMetadata { |
| |
| // ChunkMetadata for time column |
| private final IChunkMetadata timeChunkMetadata; |
| // ChunkMetadata for all subSensors in the vector |
| private final List<IChunkMetadata> valueChunkMetadataList; |
| |
| /** ChunkLoader of metadata, used to create IChunkReader */ |
| private IChunkLoader chunkLoader; |
| |
| public AlignedChunkMetadata( |
| IChunkMetadata timeChunkMetadata, List<IChunkMetadata> valueChunkMetadataList) { |
| this.timeChunkMetadata = timeChunkMetadata; |
| this.valueChunkMetadataList = valueChunkMetadataList; |
| } |
| |
| @Override |
| public Statistics<? extends Serializable> getStatistics() { |
| return valueChunkMetadataList.size() == 1 && valueChunkMetadataList.get(0) != null |
| ? valueChunkMetadataList.get(0).getStatistics() |
| : timeChunkMetadata.getStatistics(); |
| } |
| |
| @Override |
| public Statistics<? extends Serializable> getTimeStatistics() { |
| return timeChunkMetadata.getStatistics(); |
| } |
| |
| @Override |
| public Optional<Statistics<? extends Serializable>> getMeasurementStatistics( |
| int measurementIndex) { |
| IChunkMetadata chunkMetadata = valueChunkMetadataList.get(measurementIndex); |
| return Optional.ofNullable(chunkMetadata == null ? null : chunkMetadata.getStatistics()); |
| } |
| |
| @Override |
| public boolean hasNullValue(int measurementIndex) { |
| long rowCount = getTimeStatistics().getCount(); |
| Optional<Statistics<? extends Serializable>> statistics = |
| getMeasurementStatistics(measurementIndex); |
| return statistics.map(stat -> stat.hasNullValue(rowCount)).orElse(true); |
| } |
| |
| @Override |
| public int getMeasurementCount() { |
| return valueChunkMetadataList.size(); |
| } |
| |
| @Override |
| public boolean timeAllSelected() { |
| for (int index = 0; index < getMeasurementCount(); index++) { |
| if (!hasNullValue(index)) { |
| // When there is any value page point number that is the same as the time page, |
| // it means that all timestamps in time page will be selected. |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isModified() { |
| return timeChunkMetadata.isModified(); |
| } |
| |
| @Override |
| public void setModified(boolean modified) { |
| timeChunkMetadata.setModified(modified); |
| for (IChunkMetadata v : valueChunkMetadataList) { |
| if (v != null) { |
| v.setModified(modified); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isSeq() { |
| return timeChunkMetadata.isSeq(); |
| } |
| |
| @Override |
| public void setSeq(boolean seq) { |
| timeChunkMetadata.setSeq(seq); |
| for (IChunkMetadata v : valueChunkMetadataList) { |
| if (v != null) { |
| v.setSeq(seq); |
| } |
| } |
| } |
| |
| @Override |
| public long getVersion() { |
| return timeChunkMetadata.getVersion(); |
| } |
| |
| @Override |
| public void setVersion(long version) { |
| timeChunkMetadata.setVersion(version); |
| for (IChunkMetadata valueChunkMetadata : valueChunkMetadataList) { |
| if (valueChunkMetadata != null) { |
| valueChunkMetadata.setVersion(version); |
| } |
| } |
| } |
| |
| @Override |
| public long getOffsetOfChunkHeader() { |
| return timeChunkMetadata.getOffsetOfChunkHeader(); |
| } |
| |
| @Override |
| public long getStartTime() { |
| return timeChunkMetadata.getStartTime(); |
| } |
| |
| @Override |
| public long getEndTime() { |
| return timeChunkMetadata.getEndTime(); |
| } |
| |
| @Override |
| public IChunkLoader getChunkLoader() { |
| return chunkLoader; |
| } |
| |
| @Override |
| public boolean needSetChunkLoader() { |
| return chunkLoader == null; |
| } |
| |
| @Override |
| public void setChunkLoader(IChunkLoader chunkLoader) { |
| this.chunkLoader = chunkLoader; |
| } |
| |
| @Override |
| public void setClosed(boolean closed) { |
| timeChunkMetadata.setClosed(closed); |
| for (IChunkMetadata chunkMetadata : valueChunkMetadataList) { |
| if (chunkMetadata != null) { |
| chunkMetadata.setClosed(closed); |
| } |
| } |
| } |
| |
| @Override |
| public TSDataType getDataType() { |
| return timeChunkMetadata.getDataType(); |
| } |
| |
| @Override |
| public String getMeasurementUid() { |
| return timeChunkMetadata.getMeasurementUid(); |
| } |
| |
| @Override |
| public void insertIntoSortedDeletions(TimeRange timeRange) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public List<TimeRange> getDeleteIntervalList() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int serializeTo(OutputStream outputStream, boolean serializeStatistic) { |
| throw new UnsupportedOperationException("VectorChunkMetadata doesn't support serial method"); |
| } |
| |
| @Override |
| public byte getMask() { |
| return 0; |
| } |
| |
| public IChunkMetadata getTimeChunkMetadata() { |
| return timeChunkMetadata; |
| } |
| |
| public List<IChunkMetadata> getValueChunkMetadataList() { |
| return valueChunkMetadataList; |
| } |
| } |