How to write a tool class BatchTaskRunner that executes tasks concurrently with ForkJoin

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In actual programming, it is often necessary to execute multiple tasks concurrently and wait for the completion of these tasks to return results.

So use Java's ForkJoin to simply masturbate a utility class:

Package com.gitee.search.utils;import java.util.List;import java.util.concurrent.ForkJoinTask;import java.util.concurrent.RecursiveAction;import java.util.function.Consumer;/** * Batch task action * @ author Winter Lau * / public final class BatchTaskRunner extends RecursiveAction {protected int threshold = 5; / / number of tasks processed per thread protected List taskList; Consumer action / * * @ param taskList task list * @ param threshold tasks processed per thread * / private BatchTaskRunner (List taskList, int threshold, Consumer action) {this.taskList = taskList; this.threshold = threshold; this.action = action } / * * multithreaded batch execution of tasks * @ param taskList * @ param threshold * @ param action * / public static void execute (List taskList, int threshold, Consumer action) {new BatchTaskRunner (taskList, threshold, action). Invoke () } @ Override protected void compute () {if (taskList.size () {System.out.printf ("[% s]:% s\ n", Thread.currentThread () .getName (), tasks);})

Here we assume that there are five tasks (allTasks), where taskPerThread is the number of tasks that are specified for each thread.

And {.} is the processing logic of the task.

It's super simple.

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