https://github.com/ReactiveX/RxJava: Reactive Extensions for Java
  • David Karnok 
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.

/**
 * 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.maybe;

import io.reactivex.*;
import io.reactivex.annotations.Experimental;
import io.reactivex.internal.operators.mixed.MaterializeSingleObserver;


Turn the signal types of a Maybe source into a single Notification of
equal kind.

Type parameters:
  • <T> – the element type of the source
Since:2.2.4 - experimental
/**
 * Turn the signal types of a Maybe source into a single Notification of
 * equal kind.
 *
 * @param <T> the element type of the source
 * @since 2.2.4 - experimental
 */
@Experimental
public final class MaybeMaterialize<T> extends Single<Notification<T>> {

    final Maybe<T> source;

    public MaybeMaterialize(Maybe<T> source) {
        this.source = source;
    }

    @Override
    protected void subscribeActual(SingleObserver<? super Notification<T>> observer) {
        source.subscribe(new MaterializeSingleObserver<T>(observer));
    }
}