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/* | |
* Here we are using flatMap() to multiply the resulting integer by 2 | |
* & emitting the result in another Observable. | |
*/ | |
getOriginalObservable() | |
.flatMap(new Function<Integer, Observable<Integer>>() { | |
@Override | |
public Observable<Integer> apply(final Integer integer) { | |
return getModifiedObservable(integer); | |
} | |
}) | |
.subscribeOn(Schedulers.io()) | |
.subscribe(new Observer<Integer>() { | |
@Override | |
public void onSubscribe(Disposable d) { | |
} | |
@Override | |
public void onNext(Integer integer) { | |
System.out.println("onNext: " + integer); | |
} | |
@Override | |
public void onError(Throwable e) { | |
} | |
@Override | |
public void onComplete() { | |
} | |
}); | |
Thread.sleep(2000); | |
} | |
/* | |
* Here we are creating an Observable that iterates through the list of | |
* integers, and emits each integer. | |
*/ | |
private Observable<Integer> getOriginalObservable() { | |
final List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5, 6); | |
return Observable | |
.create(new ObservableOnSubscribe<Integer>() { | |
@Override | |
public void subscribe(ObservableEmitter<Integer> emitter) { | |
for(Integer integer : integers) { | |
if (!emitter.isDisposed()) { | |
emitter.onNext(integer); | |
} | |
} | |
if(!emitter.isDisposed()) { | |
emitter.onComplete(); | |
} | |
} | |
}); | |
} | |
private Observable<Integer> getModifiedObservable(final Integer integer) { | |
return Observable.create(new ObservableOnSubscribe<Integer>() { | |
@Override | |
public void subscribe(ObservableEmitter<Integer> emitter) throws InterruptedException { | |
emitter.onNext((integer * 2)); | |
emitter.onComplete(); | |
} | |
}).subscribeOn(Schedulers.io()); | |
} |
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