this.name = name;
}
@Override
public void run(){
System.out.println(name + " is running.");
try{
Thread.sleep(5000);
}catch(InterruptedException e){
e.printStackTrace();
}
System.out.println(name + " is running again.");
}
}
AppConfig.java
[java]
package com.chszs.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
@Configuration
@ComponentScan(basePackages="com.chszs.thread")
public class AppConfig {
@Bean
public ThreadPoolTaskExecutor taskExecutor(){
ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
pool.setCorePoolSize(5);
pool.setMaxPoolSize(10);
pool.setWaitForTasksToCompleteOnShutdown(true);
return pool;
}
}
App2.java
[java] view plaincopyprint
package com.chszs;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import com.chszs.config.AppConfig;
import com.chszs.thread.PrintTask2;
public static void main(String[] args) {
ApplicationContext ctx =
new AnnotationConfigApplicationContext(AppConfig.class);
ThreadPoolTaskExecutor taskExecutor =
(ThreadPoolTaskExecutor)ctx.getBean("taskExecutor");
PrintTask2 printTask1 = (PrintTask2)ctx.getBean("printTask2");
printTask1.setName("Thread 1");
taskExecutor.execute(printTask1);
PrintTask2 printTask2 = (PrintTask2)ctx.getBean("printTask2");
printTask2.setName("Thread 2");
taskExecutor.execute(printTask2);
PrintTask2 printTask3 = (PrintTask2)ctx.getBean("printTask2");
printTask3.setName("Thread 3");
taskExecutor.execute(printTask3);
for(;;){
int count = taskExecutor.getActiveCount();
System.out.println("Active Threads : " + count);
try{
Thread.sleep(1000);
}catch(InterruptedException e){
e.printStackTrace();
}
if(count==0){
taskExecutor.shutdown();
break;
}
}
}
}
输出：
Thread 1 is running.
Thread 2 is running.
Active Threads : 2
Thread 3 is running.
Active Threads : 3
Active Threads : 3
Active Threads : 3
Active Threads : 3
Thread 1 is running again.
Thread 2 is ru