cn.hutool.core.thread.ConcurrencyTester Maven / Gradle / Ivy
package cn.hutool.core.thread;
import cn.hutool.core.date.TimeInterval;
import java.io.Closeable;
import java.io.IOException;
/**
* 高并发测试工具类
*
*
* ps:
* //模拟1000个线程并发
* ConcurrencyTester ct = new ConcurrencyTester(1000);
* ct.test(() -> {
* // 需要并发测试的业务代码
* });
*
* Console.log(ct.getInterval());
* ct.close();
*
*
* @author kwer
*/
public class ConcurrencyTester implements Closeable {
private final SyncFinisher sf;
private final TimeInterval timeInterval;
private long interval;
/**
* 构造
* @param threadSize 线程数
*/
public ConcurrencyTester(int threadSize) {
this.sf = new SyncFinisher(threadSize);
this.timeInterval = new TimeInterval();
}
/**
* 执行测试
* 执行测试后不会关闭线程池，可以调用{@link #close()}释放线程池
*
* @param runnable 要测试的内容
* @return this
*/
public ConcurrencyTester test(Runnable runnable) {
this.sf.clearWorker();
timeInterval.start();
this.sf
.addRepeatWorker(runnable)
.setBeginAtSameTime(true)
.start();
this.interval = timeInterval.interval();
return this;
}
/**
* 重置测试器，重置包括：
*
*
* - 清空worker
* - 重置计时器
*
*
* @return this
* @since 5.7.2
*/
public ConcurrencyTester reset(){
this.sf.clearWorker();
this.timeInterval.restart();
return this;
}
/**
* 获取执行时间
*
* @return 执行时间，单位毫秒
*/
public long getInterval() {
return this.interval;
}
@Override
public void close() throws IOException {
this.sf.close();
}
}