nl.topicus.jdbc.shaded.io.grpc.netty.CancelClientStreamCommand Maven / Gradle / Ivy

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JDBC Driver for Google Cloud Spanner

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/*
 * Copyright 2014, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *    * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *
 *    * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package nl.topicus.jdbc.shaded.io.grpc.nl.topicus.jdbc.shaded.net.y;

import nl.topicus.jdbc.shaded.com.google.nl.topicus.jdbc.shaded.com.on.base.Preconditions;
import nl.topicus.jdbc.shaded.io.grpc.Status;

/**
 * Command sent from a Netty client stream to the handler to cancel the stream.
 */
class CancelClientStreamCommand extends WriteQueue.AbstractQueuedCommand {
  private final NettyClientStream.TransportState stream;
  private final Status reason;

  CancelClientStreamCommand(NettyClientStream.TransportState stream, Status reason) {
    this.stream = Preconditions.checkNotNull(stream, "stream");
    Preconditions.checkNotNull(reason, "reason");
    Preconditions.checkArgument(!reason.isOk(), "Should not cancel with OK status");
    this.reason = reason;
  }

  NettyClientStream.TransportState stream() {
    return stream;
  }

  Status reason() {
    return reason;
  }
}