79 lines
2.8 KiB
Java
Executable File
79 lines
2.8 KiB
Java
Executable File
/**
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* Copyright 2013 Netflix, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package rx.operators;
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import rx.Notification;
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import rx.Observable;
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import rx.Observer;
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import rx.Subscription;
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import rx.util.functions.Func1;
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/**
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* Dematerializes the explicit notification values of an observable sequence as implicit notifications.
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* See http://msdn.microsoft.com/en-us/library/hh229047(v=vs.103).aspx for the Microsoft Rx equivalent.
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*/
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public final class OperationDematerialize {
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/**
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* Dematerializes the explicit notification values of an observable sequence as implicit notifications.
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*
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* @param sequence
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* An observable sequence containing explicit notification values which have to be turned into implicit notifications.
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* @return An observable sequence exhibiting the behavior corresponding to the source sequence's notification values.
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* @see http://msdn.microsoft.com/en-us/library/hh229047(v=vs.103).aspx
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*/
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public static <T> Func1<Observer<T>, Subscription> dematerialize(final Observable<Notification<T>> sequence) {
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return new DematerializeObservable<>(sequence);
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}
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private static class DematerializeObservable<T> implements Func1<Observer<T>, Subscription> {
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private final Observable<Notification<T>> sequence;
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public DematerializeObservable(Observable<Notification<T>> sequence) {
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this.sequence = sequence;
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}
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@Override
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public Subscription call(final Observer<T> observer) {
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return sequence.subscribe(new Observer<Notification<T>>() {
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@Override
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public void onCompleted() {
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}
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@Override
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public void onError(Exception e) {
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}
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@Override
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public void onNext(Notification<T> value) {
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switch (value.getKind()) {
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case OnNext:
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observer.onNext(value.getValue());
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break;
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case OnError:
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observer.onError(value.getException());
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break;
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case OnCompleted:
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observer.onCompleted();
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break;
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}
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}
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});
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}
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}
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}
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