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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
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/*
* 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.flowable;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import org.reactivestreams.*;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.exceptions.CompositeException;
import io.reactivex.rxjava3.internal.subscriptions.SubscriptionArbiter;
public final class FlowableConcatArray extends Flowable {
final Publisher extends T>[] sources;
final boolean delayError;
public FlowableConcatArray(Publisher extends T>[] sources, boolean delayError) {
this.sources = sources;
this.delayError = delayError;
}
@Override
protected void subscribeActual(Subscriber super T> s) {
ConcatArraySubscriber parent = new ConcatArraySubscriber<>(sources, delayError, s);
s.onSubscribe(parent);
parent.onComplete();
}
static final class ConcatArraySubscriber extends SubscriptionArbiter implements FlowableSubscriber {
private static final long serialVersionUID = -8158322871608889516L;
final Subscriber super T> downstream;
final Publisher extends T>[] sources;
final boolean delayError;
final AtomicInteger wip;
int index;
List errors;
long produced;
ConcatArraySubscriber(Publisher extends T>[] sources, boolean delayError, Subscriber super T> downstream) {
super(false);
this.downstream = downstream;
this.sources = sources;
this.delayError = delayError;
this.wip = new AtomicInteger();
}
@Override
public void onSubscribe(Subscription s) {
setSubscription(s);
}
@Override
public void onNext(T t) {
produced++;
downstream.onNext(t);
}
@Override
public void onError(Throwable t) {
if (delayError) {
List list = errors;
if (list == null) {
list = new ArrayList<>(sources.length - index + 1);
errors = list;
}
list.add(t);
onComplete();
} else {
downstream.onError(t);
}
}
@Override
public void onComplete() {
if (wip.getAndIncrement() == 0) {
Publisher extends T>[] sources = this.sources;
int n = sources.length;
int i = index;
for (;;) {
if (i == n) {
List list = errors;
if (list != null) {
if (list.size() == 1) {
downstream.onError(list.get(0));
} else {
downstream.onError(new CompositeException(list));
}
} else {
downstream.onComplete();
}
return;
}
Publisher extends T> p = sources[i];
if (p == null) {
Throwable ex = new NullPointerException("A Publisher entry is null");
if (delayError) {
List list = errors;
if (list == null) {
list = new ArrayList<>(n - i + 1);
errors = list;
}
list.add(ex);
i++;
continue;
} else {
downstream.onError(ex);
return;
}
} else {
long r = produced;
if (r != 0L) {
produced = 0L;
produced(r);
}
p.subscribe(this);
}
index = ++i;
if (wip.decrementAndGet() == 0) {
break;
}
}
}
}
}
}
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