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JDBC Driver for Google Cloud Spanner
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/*
 * Copyright 2015, 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,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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

/**
 * A {@link ServerCall} which forwards all of it's methods to another {@link ServerCall} which
 * may have a different onMessage() message type.
 */
abstract class PartialForwardingServerCall extends ServerCall {
  /**
   * Returns the delegated {@code ServerCall}.
   */
  protected abstract ServerCall delegate();

  @Override
  public void request(int numMessages) {
    delegate().request(numMessages);
  }

  @Override
  public void sendHeaders(Metadata headers) {
    delegate().sendHeaders(headers);
  }

  @Override
  public boolean isReady() {
    return delegate().isReady();
  }

  @Override
  public void close(Status status, Metadata trailers) {
    delegate().close(status, trailers);
  }

  @Override
  public boolean isCancelled() {
    return delegate().isCancelled();
  }

  @Override
  @ExperimentalApi("https://github.nl.topicus.jdbc.shaded.com.grpc/grpc-java/issues/1703")
  public void setMessageCompression(boolean enabled) {
    delegate().setMessageCompression(enabled);
  }

  @Override
  @ExperimentalApi("https://github.nl.topicus.jdbc.shaded.com.grpc/grpc-java/issues/1704")
  public void setCompression(String nl.topicus.jdbc.shaded.com.ressor) {
    delegate().setCompression(nl.topicus.jdbc.shaded.com.ressor);
  }

  @Override
  @ExperimentalApi("https://github.nl.topicus.jdbc.shaded.com.grpc/grpc-java/issues/1779")
  public Attributes getAttributes() {
    return delegate().getAttributes();
  }
}