FutureConverter.java

/**
 * Copyright 2009-2016 the original author or authors.
 *
 * 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 net.javacrumbs.futureconverter.guavarx;

import com.google.common.util.concurrent.ListenableFuture;
import net.javacrumbs.futureconverter.guavacommon.GuavaFutureUtils;
import net.javacrumbs.futureconverter.rxjavacommon.RxJavaFutureUtils;
import rx.Single;

public class FutureConverter {

    /**
     * Converts {@link com.google.common.util.concurrent.ListenableFuture} to  {@link rx.Single}.
     * The original future is canceled upon unsubscribe.
     */
    public static <T> Single<T> toSingle(ListenableFuture<T> listenableFuture) {
        return RxJavaFutureUtils.createSingle(GuavaFutureUtils.createValueSource(listenableFuture));
    }

    /**
     * Converts  {@link rx.Single} to {@link com.google.common.util.concurrent.ListenableFuture}.
     */
    public static <T> ListenableFuture<T> toListenableFuture(Single<T> single) {
        return GuavaFutureUtils.createListenableFuture(RxJavaFutureUtils.createValueSource(single));
    }
}