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/**
* Copyright 2014 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.operators;
import rx.Notification;
import rx.Observable;
import rx.Observable.OnSubscribeFunc;
import rx.Observer;
import rx.Subscription;
/**
* Turns all of the notifications from an Observable into onNext
emissions, and marks
* them with their original notification types within {@link Notification} objects.
*
*
*
* See here for the
* Microsoft Rx equivalent.
*/
public final class OperationMaterialize {
/**
* Materializes the implicit notifications of an observable sequence as explicit notification values.
*
* @param sequence
* An observable sequence of elements to project.
* @return An observable sequence whose elements are the result of materializing the notifications of the given sequence.
* @see Observable.Materialize(TSource) Method
*/
public static OnSubscribeFunc> materialize(final Observable extends T> sequence) {
return new MaterializeObservable(sequence);
}
private static class MaterializeObservable implements OnSubscribeFunc> {
private final Observable extends T> sequence;
public MaterializeObservable(Observable extends T> sequence) {
this.sequence = sequence;
}
@Override
public Subscription onSubscribe(final Observer super Notification> observer) {
return sequence.subscribe(new Observer() {
@Override
public void onCompleted() {
observer.onNext(new Notification());
observer.onCompleted();
}
@Override
public void onError(Throwable e) {
observer.onNext(new Notification(e));
observer.onCompleted();
}
@Override
public void onNext(T value) {
observer.onNext(new Notification(value));
}
});
}
}
}