| /* |
| * 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.bookkeeper.tools.perf.table; |
| |
| import io.netty.buffer.ByteBuf; |
| import java.util.Random; |
| import java.util.concurrent.Callable; |
| import org.apache.bookkeeper.api.kv.Table; |
| import org.apache.bookkeeper.tools.perf.table.PerfClient.Flags; |
| |
| /** |
| * Abstract benchmark task. |
| */ |
| abstract class BenchmarkTask implements Callable<Void> { |
| |
| protected final Table<ByteBuf, ByteBuf> table; |
| protected final int tid; |
| protected final Random random; |
| protected final long numRecords; |
| protected final long keyRange; |
| protected final Flags flags; |
| protected final KeyGenerator generator; |
| |
| BenchmarkTask(Table<ByteBuf, ByteBuf> table, |
| int tid, |
| long randSeed, |
| long numRecords, |
| long keyRange, |
| Flags flags, |
| KeyGenerator generator) { |
| this.table = table; |
| this.tid = tid; |
| this.random = new Random(randSeed + tid * 1000); |
| this.numRecords = numRecords; |
| this.keyRange = keyRange; |
| this.flags = flags; |
| this.generator = generator; |
| } |
| |
| @Override |
| public Void call() throws Exception { |
| runTask(); |
| return null; |
| } |
| |
| protected abstract void runTask() throws Exception; |
| |
| protected void getFixedKey(ByteBuf key, long sn) { |
| generator.generateKeyFromLong(key, sn); |
| } |
| |
| protected void getRandomKey(ByteBuf key, long range) { |
| generator.generateKeyFromLong(key, Math.abs(random.nextLong() % range)); |
| } |
| |
| protected abstract void reportStats(long oldTime); |
| |
| protected abstract void printAggregatedStats(); |
| |
| } |