WarpPI/core/src/main/java/it/cavallium/warppi/flow/ObservableMerged.java
2018-09-22 11:17:30 +02:00

60 lines
1.7 KiB
Java

package it.cavallium.warppi.flow;
public class ObservableMerged<T> extends Observable<T> {
private final Observable<T> originalObservableA;
private final Observable<T> originalObservableB;
private volatile boolean initialized = false;
private Disposable mapDisposableA;
private Disposable mapDisposableB;
public ObservableMerged(final Observable<T> originalObservableA, final Observable<T> originalObservableB) {
super();
this.originalObservableA = originalObservableA;
this.originalObservableB = originalObservableB;
}
private void initialize() {
this.mapDisposableA = originalObservableA.subscribe((t) -> {
for (final Subscriber<? super T> sub : subscribers)
sub.onNext(t);;
}, (e) -> {
for (final Subscriber<? super T> sub : subscribers)
sub.onError(e);;
}, () -> {
for (final Subscriber<? super T> sub : subscribers)
sub.onComplete();;
});
this.mapDisposableB = originalObservableB.subscribe((t) -> {
for (final Subscriber<? super T> sub : subscribers)
sub.onNext(t);;
}, (e) -> {
for (final Subscriber<? super T> sub : subscribers)
sub.onError(e);;
}, () -> {
for (final Subscriber<? super T> sub : subscribers)
sub.onComplete();;
});
}
private void chechInitialized() {
if (!initialized) {
initialized = true;
initialize();
}
}
@Override
public Disposable subscribe(final Subscriber<? super T> sub) {
final Disposable disp = super.subscribe(sub);
chechInitialized();
return disp;
}
@Override
public void onDisposed(final Subscriber<? super T> sub) {
super.onDisposed(sub);
this.mapDisposableA.dispose();
this.mapDisposableB.dispose();
}
}