Java 如何正确管理反应堆中的可关闭资源

我有一个http客户端和执行器，当所有的工作都完成时应该关闭它

我正在尝试使用Flux.using方法，其使用方式如RxJava 1.x所述：

我的资源创建方法：

public static Flux<GithubClient> createResource(String token,
                                                int connectionCount) {

    return Flux.using(
            () -> {
                logger.info(Thread.currentThread().getName() + " : Created and started the client.");
                return new GithubClient(token, connectionCount);
            },
            client -> {
                logger.info(Thread.currentThread().getName() + " : About to create Observable.");
                return Flux.just(client);
            },
            client -> {
                logger.info(Thread.currentThread().getName() + " : Closing the client.");
                client.close();
            },
            false
    ).doOnSubscribe(subscription -> logger.info("subscribed"));
}

并没有找到任何反应堆的例子

---

谢谢

我阅读了再次使用的文档，发现了我的错误。使用

返回流量返回客户端。just（客户端）没有意义，因为流量立即终止，从而触发客户端关闭

我最终实现了：

public static Flux<StateMutator> createAndExecute(GithubPublicConfiguration config,
                                                  Function<GithubClient, Flux<StateMutator>> toExecute) {

    return Flux.using(
            () -> {
                logger.debug(Thread.currentThread().getName() + " : Created and started the client.");
                return new GithubClient(entityModelHandler, config.getAccessToken(), config.getConnectionCount());
            },
            client -> toExecute.apply(client),
            client -> {
                logger.debug(Thread.currentThread().getName() + " : Closing the client.");
                client.close();
            },
            false
    );
}

现在所有的操作都按顺序进行了

[main] INFO com.sapho.services.githubpublic.client.GithubClient - main : Created and started the client.
[main] INFO com.sapho.services.githubpublic.client.GithubClient - main : About to create Observable.
[main] INFO com.sapho.services.githubpublic.client.GithubClient - subscribed
[main] INFO com.sapho.services.githubpublic.client.GithubClient - main : Closing the client.

java.lang.IllegalStateException: Client instance has been closed.

at jersey.repackaged.com.google.common.base.Preconditions.checkState(Preconditions.java:173)
at org.glassfish.jersey.client.JerseyClient.checkNotClosed(JerseyClient.java:273)

public static Flux<StateMutator> createAndExecute(GithubPublicConfiguration config,
                                                  Function<GithubClient, Flux<StateMutator>> toExecute) {

    return Flux.using(
            () -> {
                logger.debug(Thread.currentThread().getName() + " : Created and started the client.");
                return new GithubClient(entityModelHandler, config.getAccessToken(), config.getConnectionCount());
            },
            client -> toExecute.apply(client),
            client -> {
                logger.debug(Thread.currentThread().getName() + " : Closing the client.");
                client.close();
            },
            false
    );
}

GithubClient.createAndExecute(config,
            client -> client.loadRepository(organization, repository))