多任务派发线程处理示例supplyAsync

package com.cytc.test;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

public class T7 {
    public static void main(String[] args) {
        List<List<String>> groupedIdList = new ArrayList<>();
        List<String> temp1 = new ArrayList<>();
        temp1.add("123");
        List<String> temp2 = new ArrayList<>();
        temp2.add("456");
        groupedIdList.add(temp1);
        groupedIdList.add(temp2);

        List<CompletableFuture<List<String>>> futureList = groupedIdList.stream()
                .map(taskData -> CompletableFuture.supplyAsync(() -> queryTyGroupList(taskData),
                        new ThreadPoolExecutor(100, 500, 10L, TimeUnit.SECONDS, new LinkedBlockingQueue(500))))
                .collect(Collectors.toList());
        // 确保所有的任务完成
        List<List<String>> resultBeanList = futureList.stream().map(CompletableFuture::join).collect(Collectors.toList());
        System.out.println("******************* all tasks handle done**********************");
        resultBeanList.forEach(c->{
            System.out.println(c);
        });
    }

    private static List<String> queryTyGroupList(List<String> codeList) {
        codeList.forEach(code -> {
            code = code + " handle data";
            System.out.println(code);
            try {
                Thread.sleep(new Random().nextInt(1000));
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        });
        codeList.add(" new data.. ");
        return codeList;
    }
}