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在代码中,我需要释放一些取消订阅上的资源(它在哪里记录“发布”)。RxJava:不会调用订阅的取消订阅()方法
Observable first = Observable.create(new Observable.OnSubscribe<Object>() {
@Override
public void call(Subscriber<? super Object> subscriber) {
subscriber.add(Subscriptions.create(() -> {
log(“release”);
}));
}
}).doOnUnsubscribe(() -> log(“first”));
Observable second = Observable.create(…).doOnUnsubscribe(() -> log(“second”));
Observable result = first.mergeWith(second).doOnUnsubscribe(() -> log(“result”));
Subscription subscription = result.subscribe(…);
//…
subscription.unsubscribe();
但它只记录“结果”。看起来退订不会传播给合并的孩子观察对象。那么如何处理第一个observable的Observable.OnSubscribe内部的取消订阅?