com.salesforce.reactivegrpc.common.AbstractSubscriberAndClientProducer Maven / Gradle / Ivy

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/*
 *  Copyright (c) 2019, Salesforce.com, Inc.
 *  All rights reserved.
 *  Licensed under the BSD 3-Clause license.
 *  For full license text, see LICENSE.txt file in the repo root  or https://opensource.org/licenses/BSD-3-Clause
 */

package com.salesforce.reactivegrpc.common;

import io.grpc.Status;
import io.grpc.stub.ClientCallStreamObserver;

/**
 * The gRPC client-side implementation of {@link AbstractSubscriberAndProducer}.
 *
 * @param  T
 */
public abstract class AbstractSubscriberAndClientProducer
        extends AbstractSubscriberAndProducer {

    @Override
    public void cancel() {
        if (!isCanceled()) {
            super.cancel();
            ((ClientCallStreamObserver) downstream).cancel("Cancelled", Status.CANCELLED.asException());
        }
    }
}