Task for parallel processing

import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Main {
    public static void main(String[] args) {
        final BusinessEntity first = new BusinessEntity(1001, List.of(new Action(2, "Action2"), new Action(1, "Action1"), new Action(3, "Action3")));
        final BusinessEntity second = new BusinessEntity(1002, List.of(new Action(4, "Action4"), new Action(6, "Action6"), new Action(5, "Action5")));

        // todo: run 2 above business entities in parallel + each has a list of actions -> sort that list by priority (1, 2, 3...) and run sequentially according to priority with processAction() -> 1 - first, 2 - second...

    }

    public static CompletableFuture<String> processAction(final int entityId, final int priorityId, final String actionName) {
        return CompletableFuture.supplyAsync(() -> {
            System.out.printf("process entityId: %d, priorityId: %d, actionName: %s, in thread: %s%n",
                    entityId, priorityId, actionName, Thread.currentThread().getName());
            return "DONE";
        });
    }

    public static class BusinessEntity {
        private final int entityId;
        private final List<Action> actions;

        public BusinessEntity(int entityId, List<Action> actions) {
            this.entityId = entityId;
            this.actions = actions;
        }
    }

    public static class Action {
        private final int priorityId;
        private final String actionName;

        public Action(int priorityId, String actionName) {
            this.priorityId = priorityId;
            this.actionName = actionName;
        }
    }
}