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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.observable;
import io.reactivex.*;
import io.reactivex.disposables.Disposable;
import io.reactivex.exceptions.*;
import io.reactivex.functions.*;
import io.reactivex.internal.disposables.DisposableHelper;
import io.reactivex.plugins.RxJavaPlugins;
public final class ObservableDoOnEach extends AbstractObservableWithUpstream {
final Consumer onNext;
final Consumer onError;
final Action onComplete;
final Action onAfterTerminate;
public ObservableDoOnEach(ObservableSource source, Consumer onNext,
Consumer onError,
Action onComplete,
Action onAfterTerminate) {
super(source);
this.onNext = onNext;
this.onError = onError;
this.onComplete = onComplete;
this.onAfterTerminate = onAfterTerminate;
}
@Override
public void subscribeActual(Observer t) {
source.subscribe(new DoOnEachObserver(t, onNext, onError, onComplete, onAfterTerminate));
}
static final class DoOnEachObserver implements Observer, Disposable {
final Observer downstream;
final Consumer onNext;
final Consumer onError;
final Action onComplete;
final Action onAfterTerminate;
Disposable upstream;
boolean done;
DoOnEachObserver(
Observer actual,
Consumer onNext,
Consumer onError,
Action onComplete,
Action onAfterTerminate) {
this.downstream = actual;
this.onNext = onNext;
this.onError = onError;
this.onComplete = onComplete;
this.onAfterTerminate = onAfterTerminate;
}
@Override
public void onSubscribe(Disposable d) {
if (DisposableHelper.validate(this.upstream, d)) {
this.upstream = d;
downstream.onSubscribe(this);
}
}
@Override
public void dispose() {
upstream.dispose();
}
@Override
public boolean isDisposed() {
return upstream.isDisposed();
}
@Override
public void onNext(T t) {
if (done) {
return;
}
try {
onNext.accept(t);
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
upstream.dispose();
onError(e);
return;
}
downstream.onNext(t);
}
@Override
public void onError(Throwable t) {
if (done) {
RxJavaPlugins.onError(t);
return;
}
done = true;
try {
onError.accept(t);
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
t = new CompositeException(t, e);
}
downstream.onError(t);
try {
onAfterTerminate.run();
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
RxJavaPlugins.onError(e);
}
}
@Override
public void onComplete() {
if (done) {
return;
}
try {
onComplete.run();
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
onError(e);
return;
}
done = true;
downstream.onComplete();
try {
onAfterTerminate.run();
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
RxJavaPlugins.onError(e);
}
}
}
}