Мыслей больше нет :)
package com.javarush.task.task28.task2807;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;
/*
Знакомство с ThreadPoolExecutor
*/
public class Solution {
public static void main(String[] args) throws InterruptedException {
LinkedBlockingQueue<Runnable> runnables = new LinkedBlockingQueue<>();
ThreadPoolExecutor service = new ThreadPoolExecutor(3, 5, 1000, TimeUnit.MILLISECONDS, runnables);
AtomicInteger atomicInteger = new AtomicInteger(1);
for (int i = 0; i < 10; i++) {
runnables.put(new Runnable() {
// @Override
public void run() {
int i = atomicInteger.getAndIncrement();
doExpensiveOperation(i); }
}
);
}
service.prestartAllCoreThreads();
service.shutdown();
try {
service.awaitTermination(5, TimeUnit.SECONDS);
} catch (InterruptedException e) {
e.printStackTrace();
}
/* Example output
pool-1-thread-2, localId=2
pool-1-thread-3, localId=3
pool-1-thread-1, localId=1
pool-1-thread-3, localId=5
pool-1-thread-2, localId=4
pool-1-thread-3, localId=7
pool-1-thread-1, localId=6
pool-1-thread-3, localId=9
pool-1-thread-2, localId=8
pool-1-thread-1, localId=10
*/
}
private static void doExpensiveOperation(int localId) {
System.out.println(Thread.currentThread().getName() + ", localId=" + localId);
}
}