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秒杀初交

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小柒2012
2018-05-15 18:30:33 +08:00
parent efa656ec9e
commit 786dc6c311
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src/main/java/com/itstyle/seckill/web/SeckillController.java Normal file
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package com.itstyle.seckill.web;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.itstyle.seckill.common.entity.Result;
import com.itstyle.seckill.common.entity.SuccessKilled;
import com.itstyle.seckill.queue.jvm.SeckillQueue;
import com.itstyle.seckill.service.ISeckillService;
@Api(tags ="秒杀")
@RestController
@RequestMapping("/seckill")
public class SeckillController {
private final static Logger LOGGER = LoggerFactory.getLogger(SeckillController.class);
private static int corePoolSize = Runtime.getRuntime().availableProcessors();
//调整队列数 拒绝服务
private static ThreadPoolExecutor executor = new ThreadPoolExecutor(corePoolSize, corePoolSize+1, 10l, TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(1000));
@Autowired
private ISeckillService seckillService;
@ApiOperation(value="秒杀一(最low实现)",nickname="科帮网")
@PostMapping("/start")
public Result start(long seckillId){
seckillService.deleteSeckill(seckillId);
final long killId = seckillId;
LOGGER.info("开始秒杀一(会出现超卖)");
for(int i=0;i<1000;i++){
final long userId = i;
Runnable task = new Runnable() {
@Override
public void run() {
Result result = seckillService.startSeckil(killId, userId);
LOGGER.info("用户:{}{}",userId,result.get("msg"));
}
};
executor.execute(task);
}
try {
Thread.sleep(10000);
Long seckillCount = seckillService.getSeckillCount(seckillId);
LOGGER.info("一共秒杀出{}件商品",seckillCount);
} catch (InterruptedException e) {
e.printStackTrace();
}
return Result.ok();
}
@ApiOperation(value="秒杀二(程序锁)",nickname="科帮网")
@PostMapping("/startLock")
public Result startLock(long seckillId){
seckillService.deleteSeckill(seckillId);
final long killId = seckillId;
LOGGER.info("开始秒杀二(正常)");
for(int i=0;i<1000;i++){
final long userId = i;
Runnable task = new Runnable() {
@Override
public void run() {
Result result = seckillService.startSeckilLock(killId, userId);
LOGGER.info("用户:{}{}",userId,result.get("msg"));
}
};
executor.execute(task);
}
try {
Thread.sleep(10000);
Long seckillCount = seckillService.getSeckillCount(seckillId);
LOGGER.info("一共秒杀出{}件商品",seckillCount);
} catch (InterruptedException e) {
e.printStackTrace();
}
return Result.ok();
}
@ApiOperation(value="秒杀三(数据库悲观锁)",nickname="科帮网")
@PostMapping("/startDBPCC_ONE")
public Result startDBPCC_ONE(long seckillId){
seckillService.deleteSeckill(seckillId);
final long killId = seckillId;
LOGGER.info("开始秒杀三(正常)");
for(int i=0;i<1000;i++){
final long userId = i;
Runnable task = new Runnable() {
@Override
public void run() {
Result result = seckillService.startSeckilDBPCC_ONE(killId, userId);
LOGGER.info("用户:{}{}",userId,result.get("msg"));
}
};
executor.execute(task);
}
try {
Thread.sleep(10000);
Long seckillCount = seckillService.getSeckillCount(seckillId);
LOGGER.info("一共秒杀出{}件商品",seckillCount);
} catch (InterruptedException e) {
e.printStackTrace();
}
return Result.ok();
}
@ApiOperation(value="秒杀四(数据库悲观锁)",nickname="科帮网")
@PostMapping("/startDPCC_TWO")
public Result startDPCC_TWO(long seckillId){
seckillService.deleteSeckill(seckillId);
final long killId = seckillId;
LOGGER.info("开始秒杀四(正常、数据库锁最优实现)");
for(int i=0;i<1000;i++){
final long userId = i;
Runnable task = new Runnable() {
@Override
public void run() {
Result result = seckillService.startSeckilDBPCC_TWO(killId, userId);
LOGGER.info("用户:{}{}",userId,result.get("msg"));
}
};
executor.execute(task);
}
try {
Thread.sleep(10000);
Long seckillCount = seckillService.getSeckillCount(seckillId);
LOGGER.info("一共秒杀出{}件商品",seckillCount);
} catch (InterruptedException e) {
e.printStackTrace();
}
return Result.ok();
}
@ApiOperation(value="秒杀五(数据库乐观锁)",nickname="科帮网")
@PostMapping("/startDBOCC")
public Result startDBOCC(long seckillId){
seckillService.deleteSeckill(seckillId);
final long killId = seckillId;
LOGGER.info("开始秒杀五(正常、数据库锁最优实现)");
for(int i=0;i<1000;i++){
final long userId = i;
Runnable task = new Runnable() {
@Override
public void run() {
Result result = seckillService.startSeckilDBOCC(killId, userId,4);
LOGGER.info("用户:{}{}",userId,result.get("msg"));
}
};
executor.execute(task);
}
try {
Thread.sleep(10000);
Long seckillCount = seckillService.getSeckillCount(seckillId);
LOGGER.info("一共秒杀出{}件商品",seckillCount);
} catch (InterruptedException e) {
e.printStackTrace();
}
return Result.ok();
}
@ApiOperation(value="秒杀六(进程内队列)",nickname="科帮网")
@PostMapping("/startQueue")
public Result startQueue(long seckillId){
seckillService.deleteSeckill(seckillId);
final long killId = seckillId;
LOGGER.info("开始秒杀六(正常)");
for(int i=0;i<1000;i++){
final long userId = i;
Runnable task = new Runnable() {
@Override
public void run() {
SuccessKilled kill = new SuccessKilled();
kill.setSeckillId(killId);
kill.setUserId(userId);
try {
Boolean flag = SeckillQueue.getMailQueue().produce(kill);
if(flag){
LOGGER.info("用户:{}{}",kill.getUserId(),"秒杀成功");
}else{
LOGGER.info("用户:{}{}",userId,"秒杀失败");
}
} catch (InterruptedException e) {
e.printStackTrace();
LOGGER.info("用户:{}{}",userId,"秒杀失败");
}
}
};
executor.execute(task);
}
try {
Thread.sleep(10000);
Long seckillCount = seckillService.getSeckillCount(seckillId);
LOGGER.info("一共秒杀出{}件商品",seckillCount);
} catch (InterruptedException e) {
e.printStackTrace();
}
return Result.ok();
}
}