| /* |
| * 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.tools; |
| |
| import org.apache.iotdb.tsfile.file.metadata.ChunkGroupMetadata; |
| import org.apache.iotdb.tsfile.file.metadata.IDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.fileSystem.FSFactoryProducer; |
| import org.apache.iotdb.tsfile.read.common.Path; |
| import org.apache.iotdb.tsfile.utils.MeasurementGroup; |
| import org.apache.iotdb.tsfile.write.TsFileWriter; |
| import org.apache.iotdb.tsfile.write.record.Tablet; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| import org.apache.iotdb.tsfile.write.schema.Schema; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class TsFileSketchToolTest { |
| String path = |
| "target" |
| .concat(File.separator) |
| .concat("data") |
| .concat(File.separator) |
| .concat("sequence") |
| .concat(File.separator) |
| .concat("root.sg1") |
| .concat(File.separator) |
| .concat("0") |
| .concat(File.separator) |
| .concat("0") |
| .concat(File.separator) |
| .concat("1-0-0-0.tsfile"); |
| String sketchOut = "sketch.out"; |
| IDeviceID device = new PlainDeviceID("root.device_0"); |
| IDeviceID alignedDevice = new PlainDeviceID("root.device_1"); |
| String sensorPrefix = "sensor_"; |
| // the number of rows to include in the tablet |
| int rowNum = 1000000; |
| // the number of values to include in the tablet |
| int sensorNum = 10; |
| |
| @Before |
| public void setUp() throws Exception { |
| try { |
| File f = FSFactoryProducer.getFSFactory().getFile(path); |
| if (f.exists() && !f.delete()) { |
| throw new RuntimeException("can not delete " + f.getAbsolutePath()); |
| } |
| |
| Schema schema = new Schema(); |
| |
| List<MeasurementSchema> measurementSchemas = new ArrayList<>(); |
| // add measurements into file schema (all with INT64 data type) |
| for (int i = 0; i < sensorNum; i++) { |
| MeasurementSchema measurementSchema = |
| new MeasurementSchema(sensorPrefix + (i + 1), TSDataType.INT64, TSEncoding.TS_2DIFF); |
| measurementSchemas.add(measurementSchema); |
| schema.registerTimeseries( |
| new Path(device), |
| new MeasurementSchema(sensorPrefix + (i + 1), TSDataType.INT64, TSEncoding.TS_2DIFF)); |
| } |
| // add aligned measurements into file schema |
| List<MeasurementSchema> schemas = new ArrayList<>(); |
| List<MeasurementSchema> alignedMeasurementSchemas = new ArrayList<>(); |
| for (int i = 0; i < sensorNum; i++) { |
| MeasurementSchema schema1 = |
| new MeasurementSchema(sensorPrefix + (i + 1), TSDataType.INT64, TSEncoding.RLE); |
| schemas.add(schema1); |
| alignedMeasurementSchemas.add(schema1); |
| } |
| MeasurementGroup group = new MeasurementGroup(true, schemas); |
| schema.registerMeasurementGroup(new Path(alignedDevice), group); |
| |
| try (TsFileWriter tsFileWriter = new TsFileWriter(f, schema)) { |
| |
| // add measurements into TSFileWriter |
| // construct the tablet |
| Tablet tablet = new Tablet(((PlainDeviceID) device).toStringID(), measurementSchemas); |
| long[] timestamps = tablet.timestamps; |
| Object[] values = tablet.values; |
| long timestamp = 1; |
| long value = 1000000L; |
| for (int r = 0; r < rowNum; r++, value++) { |
| int row = tablet.rowSize++; |
| timestamps[row] = timestamp++; |
| for (int i = 0; i < sensorNum; i++) { |
| long[] sensor = (long[]) values[i]; |
| sensor[row] = value; |
| } |
| // write Tablet to TsFile |
| if (tablet.rowSize == tablet.getMaxRowNumber()) { |
| tsFileWriter.write(tablet); |
| tablet.reset(); |
| } |
| } |
| // write Tablet to TsFile |
| if (tablet.rowSize != 0) { |
| tsFileWriter.write(tablet); |
| tablet.reset(); |
| } |
| |
| // add aligned measurements into TSFileWriter |
| // construct the tablet |
| tablet = |
| new Tablet(((PlainDeviceID) alignedDevice).toStringID(), alignedMeasurementSchemas); |
| timestamps = tablet.timestamps; |
| values = tablet.values; |
| timestamp = 1; |
| value = 1000000L; |
| for (int r = 0; r < rowNum; r++, value++) { |
| int row = tablet.rowSize++; |
| timestamps[row] = timestamp++; |
| for (int i = 0; i < sensorNum; i++) { |
| long[] sensor = (long[]) values[i]; |
| sensor[row] = value; |
| } |
| // write Tablet to TsFile |
| if (tablet.rowSize == tablet.getMaxRowNumber()) { |
| tsFileWriter.writeAligned(tablet); |
| tablet.reset(); |
| } |
| } |
| // write Tablet to TsFile |
| if (tablet.rowSize != 0) { |
| tsFileWriter.writeAligned(tablet); |
| tablet.reset(); |
| } |
| } |
| } catch (Exception e) { |
| throw new Exception("meet error in TsFileWrite with tablet", e); |
| } |
| } |
| |
| @Test |
| public void tsFileSketchToolTest() throws IOException { |
| String[] args = new String[2]; |
| args[0] = path; |
| args[1] = sketchOut; |
| TsFileSketchTool tool = new TsFileSketchTool(path, sketchOut); |
| List<ChunkGroupMetadata> chunkGroupMetadataList = tool.getAllChunkGroupMetadata(); |
| Assert.assertEquals(2, chunkGroupMetadataList.size()); |
| for (ChunkGroupMetadata chunkGroupMetadata : chunkGroupMetadataList) { |
| if (device.equals(chunkGroupMetadata.getDevice())) { |
| Assert.assertEquals(sensorNum, chunkGroupMetadata.getChunkMetadataList().size()); |
| } else if (alignedDevice.equals(chunkGroupMetadata.getDevice())) { |
| Assert.assertEquals(sensorNum + 1, chunkGroupMetadata.getChunkMetadataList().size()); |
| } else { |
| Assert.fail(); |
| } |
| } |
| tool.close(); |
| } |
| |
| @After |
| public void tearDown() { |
| try { |
| FileUtils.forceDelete(new File(path)); |
| FileUtils.forceDelete(new File(sketchOut)); |
| } catch (IOException e) { |
| Assert.fail(e.getMessage()); |
| } |
| } |
| } |