io.reactivex.internal.operators.single.SingleDoAfterSuccess Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of rxjava Show documentation
Show all versions of rxjava Show documentation
Reactive Extensions for Java
/**
* 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.single;
import io.reactivex.*;
import io.reactivex.annotations.Experimental;
import io.reactivex.disposables.Disposable;
import io.reactivex.exceptions.Exceptions;
import io.reactivex.functions.Consumer;
import io.reactivex.internal.disposables.DisposableHelper;
import io.reactivex.plugins.RxJavaPlugins;
/**
* Calls a consumer after pushing the current item to the downstream.
* @param the value type
* @since 2.0.1 - experimental
*/
@Experimental
public final class SingleDoAfterSuccess extends Single {
final SingleSource source;
final Consumer onAfterSuccess;
public SingleDoAfterSuccess(SingleSource source, Consumer onAfterSuccess) {
this.source = source;
this.onAfterSuccess = onAfterSuccess;
}
@Override
protected void subscribeActual(SingleObserver s) {
source.subscribe(new DoAfterObserver(s, onAfterSuccess));
}
static final class DoAfterObserver implements SingleObserver, Disposable {
final SingleObserver actual;
final Consumer onAfterSuccess;
Disposable d;
DoAfterObserver(SingleObserver actual, Consumer onAfterSuccess) {
this.actual = actual;
this.onAfterSuccess = onAfterSuccess;
}
@Override
public void onSubscribe(Disposable d) {
if (DisposableHelper.validate(this.d, d)) {
this.d = d;
actual.onSubscribe(this);
}
}
@Override
public void onSuccess(T t) {
actual.onSuccess(t);
try {
onAfterSuccess.accept(t);
} catch (Throwable ex) {
Exceptions.throwIfFatal(ex);
// remember, onSuccess is a terminal event and we can't call onError
RxJavaPlugins.onError(ex);
}
}
@Override
public void onError(Throwable e) {
actual.onError(e);
}
@Override
public void dispose() {
d.dispose();
}
@Override
public boolean isDisposed() {
return d.isDisposed();
}
}
}