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Sample1_3.java
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import io.reactivex.disposables.Disposable;
import io.reactivex.disposables.Disposables;
import io.reactivex.subjects.ReplaySubject;
import io.reactivex.subjects.Subject;
public class Sample1_3 {
public void error() {
Subject<Integer> s = ReplaySubject.create();
s.subscribe(
v -> System.out.println(v),
e -> System.out.println(e));
s.onNext(0);
s.onError(new Exception("Oops"));
}
public void unsubscribing_1() {
Subject<Integer> values = ReplaySubject.create();
Disposable disposable = values.subscribe(
v -> System.out.println(v),
e -> System.out.println(e),
() -> System.out.println("Done")
);
values.onNext(0);
values.onNext(1);
disposable.dispose();
values.onNext(2);
}
public void unsubscribing_2() {
Subject<Integer> values = ReplaySubject.create();
Disposable disposable1 = values.subscribe(
v -> System.out.println("First: " +v)
);
Disposable disposable2 = values.subscribe(
v -> System.out.println("Second: " +v)
);
values.onNext(0);
values.onNext(1);
disposable1.dispose();
System.out.println("Unsubscribed first");
values.onNext(2);
}
public void onErrorAndonCompleted() {
Subject<Integer> values = ReplaySubject.create();
Disposable disposable1 = values.subscribe(
v -> System.out.println("First: "+ v),
e -> System.out.println("First: "+ e),
() -> System.out.println("Completed")
);
values.onNext(0);
values.onNext(1);
values.onComplete();
values.onNext(2);
}
public void freeingResources() {
/*
* Not working on RxJava2
*/
// Subscription s = Subscriptions.create(() -> System.out.println("Clean"));
// s.unsubscribe();
//Disposable.fromAction takes an action that will be executed on unsubscription to release the resources
// There also are shorthand for common actions when creating a sequence.
Disposable s = Disposables.fromAction(() -> System.out.println("Clean"));
s.dispose();
Disposables.disposed();
}
public static void main (String[] args) {
Sample1_3 sample = new Sample1_3();
sample.freeingResources();
}
}