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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.internal.operators.flowable;
import org.reactivestreams.*;
import io.reactivex.*;
import io.reactivex.exceptions.*;
import io.reactivex.functions.Function;
import io.reactivex.internal.functions.ObjectHelper;
import io.reactivex.internal.subscriptions.SubscriptionArbiter;
import io.reactivex.plugins.RxJavaPlugins;
public final class FlowableOnErrorNext extends AbstractFlowableWithUpstream {
final Function> nextSupplier;
final boolean allowFatal;
public FlowableOnErrorNext(Flowable source,
Function> nextSupplier, boolean allowFatal) {
super(source);
this.nextSupplier = nextSupplier;
this.allowFatal = allowFatal;
}
@Override
protected void subscribeActual(Subscriber s) {
OnErrorNextSubscriber parent = new OnErrorNextSubscriber(s, nextSupplier, allowFatal);
s.onSubscribe(parent);
source.subscribe(parent);
}
static final class OnErrorNextSubscriber
extends SubscriptionArbiter
implements FlowableSubscriber {
private static final long serialVersionUID = 4063763155303814625L;
final Subscriber downstream;
final Function> nextSupplier;
final boolean allowFatal;
boolean once;
boolean done;
long produced;
OnErrorNextSubscriber(Subscriber actual, Function> nextSupplier, boolean allowFatal) {
super(false);
this.downstream = actual;
this.nextSupplier = nextSupplier;
this.allowFatal = allowFatal;
}
@Override
public void onSubscribe(Subscription s) {
setSubscription(s);
}
@Override
public void onNext(T t) {
if (done) {
return;
}
if (!once) {
produced++;
}
downstream.onNext(t);
}
@Override
public void onError(Throwable t) {
if (once) {
if (done) {
RxJavaPlugins.onError(t);
return;
}
downstream.onError(t);
return;
}
once = true;
if (allowFatal && !(t instanceof Exception)) {
downstream.onError(t);
return;
}
Publisher p;
try {
p = ObjectHelper.requireNonNull(nextSupplier.apply(t), "The nextSupplier returned a null Publisher");
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
downstream.onError(new CompositeException(t, e));
return;
}
long mainProduced = produced;
if (mainProduced != 0L) {
produced(mainProduced);
}
p.subscribe(this);
}
@Override
public void onComplete() {
if (done) {
return;
}
done = true;
once = true;
downstream.onComplete();
}
}
}