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.schedulers;

import java.util.concurrent.*;

import io.reactivex.disposables.Disposable;

Implements the Future interface and calls dispose() on cancel() but
the other methods are not implemented.
/**
 * Implements the Future interface and calls dispose() on cancel() but
 * the other methods are not implemented.
 */
final class DisposeOnCancel implements Future<Object> {

    final Disposable upstream;

    DisposeOnCancel(Disposable d) {
        this.upstream = d;
    }

    @Override
    public boolean cancel(boolean mayInterruptIfRunning) {
        upstream.dispose();
        return false;
    }

    @Override
    public boolean isCancelled() {
        return false;
    }

    @Override
    public boolean isDone() {
        return false;
    }

    @Override
    public Object get() throws InterruptedException, ExecutionException {
        return null;
    }

    @Override
    public Object get(long timeout, TimeUnit unit)
            throws InterruptedException, ExecutionException, TimeoutException {
        return null;
    }
}