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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright (c) 2016-present, RxJava Contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
* the License for the specific language governing permissions and limitations under the License.
*/
package io.reactivex.rxjava3.internal.operators.completable;
import java.util.Iterator;
import java.util.Objects;
import java.util.concurrent.atomic.AtomicInteger;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.exceptions.Exceptions;
import io.reactivex.rxjava3.internal.disposables.*;
public final class CompletableConcatIterable extends Completable {
final Iterable extends CompletableSource> sources;
public CompletableConcatIterable(Iterable extends CompletableSource> sources) {
this.sources = sources;
}
@Override
public void subscribeActual(CompletableObserver observer) {
Iterator extends CompletableSource> it;
try {
it = Objects.requireNonNull(sources.iterator(), "The iterator returned is null");
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
EmptyDisposable.error(e, observer);
return;
}
ConcatInnerObserver inner = new ConcatInnerObserver(observer, it);
observer.onSubscribe(inner.sd);
inner.next();
}
static final class ConcatInnerObserver extends AtomicInteger implements CompletableObserver {
private static final long serialVersionUID = -7965400327305809232L;
final CompletableObserver downstream;
final Iterator extends CompletableSource> sources;
final SequentialDisposable sd;
ConcatInnerObserver(CompletableObserver actual, Iterator extends CompletableSource> sources) {
this.downstream = actual;
this.sources = sources;
this.sd = new SequentialDisposable();
}
@Override
public void onSubscribe(Disposable d) {
sd.replace(d);
}
@Override
public void onError(Throwable e) {
downstream.onError(e);
}
@Override
public void onComplete() {
next();
}
void next() {
if (sd.isDisposed()) {
return;
}
if (getAndIncrement() != 0) {
return;
}
Iterator extends CompletableSource> a = sources;
do {
if (sd.isDisposed()) {
return;
}
boolean b;
try {
b = a.hasNext();
} catch (Throwable ex) {
Exceptions.throwIfFatal(ex);
downstream.onError(ex);
return;
}
if (!b) {
downstream.onComplete();
return;
}
CompletableSource c;
try {
c = Objects.requireNonNull(a.next(), "The CompletableSource returned is null");
} catch (Throwable ex) {
Exceptions.throwIfFatal(ex);
downstream.onError(ex);
return;
}
c.subscribe(this);
} while (decrementAndGet() != 0);
}
}
}
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