| /* |
| * 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.utils.sort; |
| |
| import org.apache.iotdb.commons.exception.MetadataException; |
| import org.apache.iotdb.commons.utils.FileUtils; |
| import org.apache.iotdb.db.utils.datastructure.MergeSortKey; |
| import org.apache.iotdb.db.utils.datastructure.SortKey; |
| |
| import org.apache.tsfile.block.column.Column; |
| import org.apache.tsfile.common.conf.TSFileDescriptor; |
| import org.apache.tsfile.enums.TSDataType; |
| import org.apache.tsfile.exception.write.WriteProcessException; |
| import org.apache.tsfile.read.common.block.TsBlock; |
| import org.apache.tsfile.read.common.block.column.DoubleColumn; |
| import org.apache.tsfile.read.common.block.column.TimeColumn; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Optional; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| public class SortUtilTest { |
| |
| private static final String folderPath = "SORT_TEST"; |
| |
| private static final String filePrefix = folderPath + File.separator + "tmp"; |
| |
| private int maxTsBlockSizeInBytes; |
| |
| @Before |
| public void setUp() throws MetadataException, IOException, WriteProcessException { |
| maxTsBlockSizeInBytes = TSFileDescriptor.getInstance().getConfig().getMaxTsBlockSizeInBytes(); |
| TSFileDescriptor.getInstance().getConfig().setMaxTsBlockSizeInBytes(200); |
| } |
| |
| @After |
| public void tearDown() { |
| TSFileDescriptor.getInstance().getConfig().setMaxTsBlockSizeInBytes(maxTsBlockSizeInBytes); |
| } |
| |
| private void clear() { |
| File tmpDir = new File(folderPath); |
| if (!tmpDir.exists()) return; |
| FileUtils.deleteFileOrDirectory(tmpDir); |
| } |
| |
| @Test |
| public void diskSortTest() { |
| |
| double[] values = new double[] {1.0, 2.0, 3.0, 5.0, 6.0, 8.0, 11.0, 13.0, 15.0, 17.0}; |
| double[] values2 = new double[] {4.0, 7.0, 9.0, 10.0, 12.0, 14.0, 16.0, 18.0, 19.0, 20.0}; |
| |
| TimeColumn timeColumn = new TimeColumn(10, new long[] {1, 2, 3, 5, 6, 8, 11, 13, 15, 17}); |
| Column column = new DoubleColumn(10, Optional.empty(), values); |
| |
| TimeColumn timeColumn2 = new TimeColumn(10, new long[] {4, 7, 9, 10, 12, 14, 16, 18, 19, 20}); |
| Column column2 = new DoubleColumn(10, Optional.empty(), values2); |
| |
| TsBlock tsBlock = new TsBlock(timeColumn, column); |
| TsBlock tsBlock2 = new TsBlock(timeColumn2, column2); |
| |
| DiskSpiller diskSpiller = |
| new DiskSpiller(folderPath, filePrefix, Collections.singletonList(TSDataType.DOUBLE)); |
| |
| List<SortKey> sortKeyList = new ArrayList<>(); |
| for (int i = 0; i < 10; i++) { |
| sortKeyList.add(new SortKey(tsBlock, i)); |
| } |
| |
| SortBufferManager sortBufferManager = new SortBufferManager(); |
| try { |
| sortBufferManager.allocateOneSortBranch(); |
| diskSpiller.spillSortedData(sortKeyList); |
| List<SortReader> sortReaders = diskSpiller.getReaders(sortBufferManager); |
| assertTrue(sortReaders.size() == 1 && sortReaders.get(0) instanceof FileSpillerReader); |
| FileSpillerReader fileSpillerReader = (FileSpillerReader) sortReaders.get(0); |
| int index = 0; |
| while (fileSpillerReader.hasNext()) { |
| SortKey sortKey = fileSpillerReader.next(); |
| assertEquals(sortKey.tsBlock.getColumn(0).getDouble(index), values[index], 0.001); |
| index++; |
| } |
| fileSpillerReader.close(); |
| assertEquals(10, index); |
| } catch (Exception e) { |
| clear(); |
| fail(e.getMessage()); |
| } |
| |
| List<MergeSortKey> mergeSortKeyList = new ArrayList<>(); |
| for (int i = 0; i < 10; i++) { |
| mergeSortKeyList.add(new MergeSortKey(tsBlock2, i)); |
| } |
| MemoryReader memoryReader = new MemoryReader(mergeSortKeyList); |
| try { |
| int index = 0; |
| while (memoryReader.hasNext()) { |
| SortKey sortKey = memoryReader.next(); |
| assertEquals(sortKey.tsBlock.getColumn(0).getDouble(index), values2[index], 0.001); |
| index++; |
| } |
| memoryReader.close(); |
| assertEquals(10, index); |
| } catch (Exception e) { |
| clear(); |
| fail(e.getMessage()); |
| } |
| |
| clear(); |
| } |
| } |