| /* |
| * 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.read.query.timegenerator; |
| |
| import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor; |
| import org.apache.iotdb.tsfile.file.metadata.IChunkMetadata; |
| import org.apache.iotdb.tsfile.read.TsFileSequenceReader; |
| import org.apache.iotdb.tsfile.read.common.BatchData; |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.read.controller.CachedChunkLoaderImpl; |
| import org.apache.iotdb.tsfile.read.controller.MetadataQuerierByFileImpl; |
| import org.apache.iotdb.tsfile.read.reader.series.AbstractFileSeriesReader; |
| import org.apache.iotdb.tsfile.read.reader.series.FileSeriesReader; |
| import org.apache.iotdb.tsfile.read.reader.series.FileSeriesReaderByTimestamp; |
| |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class ReaderByTimestampTest { |
| |
| private static final String FILE_PATH = TsFileGeneratorForSeriesReaderByTimestamp.outputDataFile; |
| private TsFileSequenceReader fileReader; |
| private MetadataQuerierByFileImpl metadataQuerierByFile; |
| private int rowCount = 1000000; |
| |
| @Before |
| public void before() throws IOException { |
| TSFileDescriptor.getInstance().getConfig().setTimeEncoder("TS_2DIFF"); |
| TsFileGeneratorForSeriesReaderByTimestamp.generateFile(rowCount, 10 * 1024 * 1024, 10000); |
| fileReader = new TsFileSequenceReader(FILE_PATH); // TODO remove this class |
| metadataQuerierByFile = new MetadataQuerierByFileImpl(fileReader); |
| } |
| |
| @After |
| public void after() throws IOException { |
| fileReader.close(); |
| TsFileGeneratorForSeriesReaderByTimestamp.after(); |
| } |
| |
| @Test |
| public void readByTimestamp() throws IOException { |
| CachedChunkLoaderImpl seriesChunkLoader = new CachedChunkLoaderImpl(fileReader); |
| List<IChunkMetadata> chunkMetadataList = |
| metadataQuerierByFile.getChunkMetaDataList(new Path("d1", "s1", true)); |
| AbstractFileSeriesReader seriesReader = |
| new FileSeriesReader(seriesChunkLoader, chunkMetadataList, null); |
| |
| List<Long> timeList = new ArrayList<>(); |
| List<Object> valueList = new ArrayList<>(); |
| int count = 0; |
| BatchData data = null; |
| |
| while (seriesReader.hasNextBatch()) { |
| data = seriesReader.nextBatch(); |
| while (data.hasCurrent()) { |
| timeList.add(data.currentTime() - 1); |
| valueList.add(null); |
| timeList.add(data.currentTime()); |
| valueList.add(data.currentValue()); |
| data.next(); |
| count++; |
| } |
| } |
| |
| long startTimestamp = System.currentTimeMillis(); |
| count = 0; |
| |
| FileSeriesReaderByTimestamp seriesReaderFromSingleFileByTimestamp = |
| new FileSeriesReaderByTimestamp(seriesChunkLoader, chunkMetadataList); |
| |
| for (long time : timeList) { |
| Object value = seriesReaderFromSingleFileByTimestamp.getValueInTimestamp(time); |
| if (value == null) { |
| Assert.assertNull(valueList.get(count)); |
| } else { |
| Assert.assertEquals(valueList.get(count), value); |
| } |
| count++; |
| } |
| long endTimestamp = System.currentTimeMillis(); |
| System.out.println( |
| "SeriesReadWithFilterTest. [Time used]: " |
| + (endTimestamp - startTimestamp) |
| + " ms. [Read Count]: " |
| + count); |
| } |
| } |