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/**
* Copyright 2015 Netflix, Inc.
*
* 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 rx.internal.operators;
import rx.*;
import rx.exceptions.Exceptions;
import rx.functions.Action0;
import rx.plugins.RxJavaHooks;
/**
* Execute an action after onSuccess or onError has been delivered.
*
* @param the value type
*/
public final class SingleDoAfterTerminate implements Single.OnSubscribe {
final Single source;
final Action0 action;
public SingleDoAfterTerminate(Single source, Action0 action) {
this.source = source;
this.action = action;
}
@Override
public void call(SingleSubscriber t) {
SingleDoAfterTerminateSubscriber parent = new SingleDoAfterTerminateSubscriber(t, action);
t.add(parent);
source.subscribe(parent);
}
static final class SingleDoAfterTerminateSubscriber extends SingleSubscriber {
final SingleSubscriber actual;
final Action0 action;
public SingleDoAfterTerminateSubscriber(SingleSubscriber actual, Action0 action) {
this.actual = actual;
this.action = action;
}
@Override
public void onSuccess(T value) {
try {
actual.onSuccess(value);
} finally {
doAction();
}
}
@Override
public void onError(Throwable error) {
try {
actual.onError(error);
} finally {
doAction();
}
}
void doAction() {
try {
action.call();
} catch (Throwable ex) {
Exceptions.throwIfFatal(ex);
RxJavaHooks.onError(ex);
}
}
}
}