Java tutorial
/* * Copyright 2011-2016 the original author or authors. * * Licensed 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 com.lambdaworks.redis.protocol; import java.nio.ByteBuffer; import java.util.List; import org.openjdk.jmh.annotations.*; import com.lambdaworks.redis.codec.ByteArrayCodec; import com.lambdaworks.redis.output.ArrayOutput; import io.netty.buffer.ByteBuf; import io.netty.buffer.PooledByteBufAllocator; /** * @author Mark Paluch */ @State(Scope.Benchmark) public class RedisStateMachineBenchmark { private final static ByteArrayCodec BYTE_ARRAY_CODEC = new ByteArrayCodec(); private final static Command<byte[], byte[], List<Object>> byteArrayCommand = new Command<>(CommandType.GET, new ArrayOutput(BYTE_ARRAY_CODEC) { @Override public void set(ByteBuffer bytes) { } @Override public void multi(int count) { } @Override public void complete(int depth) { } @Override public void set(long integer) { } }, new CommandArgs(BYTE_ARRAY_CODEC).addKey(new byte[] { 1, 2, 3, 4 })); private ByteBuf masterBuffer; private final RedisStateMachine<byte[], byte[]> stateMachine = new RedisStateMachine<>(); private final byte[] payload = ("*3\r\n" + // "$4\r\n" + // "LLEN\r\n" + // "$6\r\n" + // "mylist\r\n" + // "+QUEUED\r\n" + // ":12\r\n").getBytes(); @Setup(Level.Trial) public void setup() { masterBuffer = PooledByteBufAllocator.DEFAULT.ioBuffer(32); masterBuffer.writeBytes(payload); } @TearDown public void tearDown() { masterBuffer.release(); } @Benchmark public void measureDecode() { stateMachine.decode(masterBuffer.duplicate(), byteArrayCommand, byteArrayCommand.getOutput()); } public static void main(String[] args) { RedisStateMachineBenchmark b = new RedisStateMachineBenchmark(); b.setup(); while (true) { b.measureDecode(); } } }