RxJava is a Java VM implementation of Reactive Extensions: a library for composing asynchronous and event-based programs by using observable sequences.
翻译过来就是一个在 Java VM 上使用可观测的序列来组成异步的、基于事件的程序的库。 它是观察者模式的一个变种,既然是基于事件的,当然EventBus的东东它都可以实现。
ReplaySubject subject = ReplaySubject.create();
subject.onNext("one");
subject.onNext("two");
subject.onNext("three");
subject.onCompleted();
// both of the following will get the onNext/onCompleted calls from above
subject.subscribe(observer1);
subject.subscribe(observer2);
AsyncSubject
Subject that publishes only the last item observed to each Observer once the source Observable has completed. The item is cached and published to any Observers which subscribe after the source has completed. If the source emitted no items, AsyncSubject completes without emitting anything. If the source terminated in an error, current and future subscribers will receive only the error.
// observer will receive no onNext events because the subject.onCompleted() isn't called.
AsyncSubject subject = AsyncSubject.create();
subject.subscribe(observer);
subject.onNext("one");
subject.onNext("two");
subject.onNext("three");
// observer will receive "three" as the only onNext event.
AsyncSubject subject = AsyncSubject.create();
subject.subscribe(observer);
subject.onNext("one");
subject.onNext("two");
subject.onNext("three");
subject.onCompleted();
SerializedSubject
Wraps a Subject so that it is safe to call its various on methods from different threads.
在使用Eclipse进行开发的时候,出现了如下的问题:
Description Resource Path Location TypeThe project was not built due to "A resource exists with a different case: '/SeenTaoImp_zhV2/bin/seentao'.&
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