从List<Long>的RecursiveTask中收集ForkJoinPool结果

import java.util.List;
import java.util.concurrent.RecursiveTask;

public class MyRecursiveTask extends RecursiveTask<List<Long>> {
    private List<Long> dataList;

    public MyRecursiveTask(List<Long> dataList) {
        this.dataList = dataList;
    }

    @Override
    protected List<Long> compute() {
        if (dataList.size() <= 10) { // 当任务足够小的时候直接计算结果并返回
            return processData(dataList);
        } else {
            int mid = dataList.size() / 2;

            MyRecursiveTask leftTask = new MyRecursiveTask(dataList.subList(0, mid));
            MyRecursiveTask rightTask = new MyRecursiveTask(dataList.subList(mid, dataList.size()));

            invokeAll(leftTask, rightTask);

            List<Long> leftResult = leftTask.join();
            List<Long> rightResult = rightTask.join();

            addToResults(leftResult);
            addToResults(rightResult);

            return getResult();
        }
    }

    private List<Long> processData(List<Long> data) {
        // 处理数据的逻辑
        // ...
        return processedData;
    }

    private void addToResults(List<Long> results) {
        // 将子任务的结果添加到成员变量中
        dataList.addAll(results);
    }

    private List<Long> getResult() {
        // 返回最终的计算结果
        return dataList;
    }
}