| /* |
| * 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.cassandra.db; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Random; |
| import java.util.UUID; |
| |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.cassandra.config.ColumnDefinition; |
| import org.apache.cassandra.cql3.ColumnIdentifier; |
| import org.apache.cassandra.db.marshal.BytesType; |
| import org.apache.cassandra.db.marshal.SetType; |
| import org.apache.cassandra.db.marshal.UTF8Type; |
| import org.apache.cassandra.db.rows.*; |
| import org.apache.cassandra.utils.concurrent.OpOrder; |
| import org.apache.cassandra.utils.memory.HeapAllocator; |
| import org.apache.cassandra.utils.memory.NativeAllocator; |
| import org.apache.cassandra.utils.memory.NativePool; |
| |
| public class NativeCellTest |
| { |
| |
| private static final Logger logger = LoggerFactory.getLogger(NativeCellTest.class); |
| private static final NativeAllocator nativeAllocator = new NativePool(Integer.MAX_VALUE, Integer.MAX_VALUE, 1f, null).newAllocator(); |
| private static final OpOrder.Group group = new OpOrder().start(); |
| private static Random rand; |
| |
| @BeforeClass |
| public static void setUp() |
| { |
| long seed = System.currentTimeMillis(); |
| logger.info("Seed : {}", seed); |
| rand = new Random(seed); |
| } |
| |
| @Test |
| public void testCells() throws IOException |
| { |
| for (int run = 0 ; run < 1000 ; run++) |
| { |
| Row.Builder builder = BTreeRow.unsortedBuilder(1); |
| builder.newRow(rndclustering()); |
| int count = 1 + rand.nextInt(10); |
| for (int i = 0 ; i < count ; i++) |
| rndcd(builder); |
| test(builder.build()); |
| } |
| } |
| |
| private static Clustering rndclustering() |
| { |
| int count = 1 + rand.nextInt(100); |
| ByteBuffer[] values = new ByteBuffer[count]; |
| int size = rand.nextInt(65535); |
| for (int i = 0 ; i < count ; i++) |
| { |
| int twiceShare = 1 + (2 * size) / (count - i); |
| int nextSize = Math.min(size, rand.nextInt(twiceShare)); |
| if (nextSize < 10 && rand.nextBoolean()) |
| continue; |
| |
| byte[] bytes = new byte[nextSize]; |
| rand.nextBytes(bytes); |
| values[i] = ByteBuffer.wrap(bytes); |
| size -= nextSize; |
| } |
| return Clustering.make(values); |
| } |
| |
| private static void rndcd(Row.Builder builder) |
| { |
| ColumnDefinition col = rndcol(); |
| if (!col.isComplex()) |
| { |
| builder.addCell(rndcell(col)); |
| } |
| else |
| { |
| int count = 1 + rand.nextInt(100); |
| for (int i = 0 ; i < count ; i++) |
| builder.addCell(rndcell(col)); |
| } |
| } |
| |
| private static ColumnDefinition rndcol() |
| { |
| UUID uuid = new UUID(rand.nextLong(), rand.nextLong()); |
| boolean isComplex = rand.nextBoolean(); |
| return new ColumnDefinition("", |
| "", |
| ColumnIdentifier.getInterned(uuid.toString(), false), |
| isComplex ? new SetType<>(BytesType.instance, true) : BytesType.instance, |
| -1, |
| ColumnDefinition.Kind.REGULAR); |
| } |
| |
| private static Cell rndcell(ColumnDefinition col) |
| { |
| long timestamp = rand.nextLong(); |
| int ttl = rand.nextInt(); |
| int localDeletionTime = rand.nextInt(); |
| byte[] value = new byte[rand.nextInt(sanesize(expdecay()))]; |
| rand.nextBytes(value); |
| CellPath path = null; |
| if (col.isComplex()) |
| { |
| byte[] pathbytes = new byte[rand.nextInt(sanesize(expdecay()))]; |
| rand.nextBytes(value); |
| path = CellPath.create(ByteBuffer.wrap(pathbytes)); |
| } |
| |
| return new BufferCell(col, timestamp, ttl, localDeletionTime, ByteBuffer.wrap(value), path); |
| } |
| |
| private static int expdecay() |
| { |
| return 1 << Integer.numberOfTrailingZeros(Integer.lowestOneBit(rand.nextInt())); |
| } |
| |
| private static int sanesize(int randomsize) |
| { |
| return Math.min(Math.max(1, randomsize), 1 << 26); |
| } |
| |
| private static void test(Row row) |
| { |
| Row nrow = clone(row, nativeAllocator.rowBuilder(group)); |
| Row brow = clone(row, HeapAllocator.instance.cloningBTreeRowBuilder()); |
| Assert.assertEquals(row, nrow); |
| Assert.assertEquals(row, brow); |
| Assert.assertEquals(nrow, brow); |
| |
| Assert.assertEquals(row.clustering(), nrow.clustering()); |
| Assert.assertEquals(row.clustering(), brow.clustering()); |
| Assert.assertEquals(nrow.clustering(), brow.clustering()); |
| |
| ClusteringComparator comparator = new ClusteringComparator(UTF8Type.instance); |
| Assert.assertTrue(comparator.compare(row.clustering(), nrow.clustering()) == 0); |
| Assert.assertTrue(comparator.compare(row.clustering(), brow.clustering()) == 0); |
| Assert.assertTrue(comparator.compare(nrow.clustering(), brow.clustering()) == 0); |
| } |
| |
| private static Row clone(Row row, Row.Builder builder) |
| { |
| return Rows.copy(row, builder).build(); |
| } |
| |
| } |