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• GrpcExceptionServerStreamingCallable.java

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com.google.api.gax.grpc.GrpcExceptionServerStreamingCallable Maven / Gradle / Ivy

/*
 * Copyright 2017 Google LLC
 *
 * 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 LLC 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
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.google.api.gax.grpc;

import com.google.api.gax.rpc.ApiCallContext;
import com.google.api.gax.rpc.ApiException;
import com.google.api.gax.rpc.ResponseObserver;
import com.google.api.gax.rpc.ServerStreamingCallable;
import com.google.api.gax.rpc.StatusCode.Code;
import java.util.Set;

/**
 * Transforms all {@code Throwable}s thrown during a call into an instance of {@link ApiException}.
 *
 * 
Package-private for internal use.
 */
class GrpcExceptionServerStreamingCallable
    extends ServerStreamingCallable {
  private final ServerStreamingCallable inner;
  private final GrpcApiExceptionFactory exceptionFactory;

  public GrpcExceptionServerStreamingCallable(
      ServerStreamingCallable inner, Set retryableCodes) {
    this.inner = inner;
    this.exceptionFactory = new GrpcApiExceptionFactory(retryableCodes);
  }

  @Override
  public void call(
      RequestT request, ResponseObserver responseObserver, ApiCallContext context) {

    inner.call(
        request, new ExceptionResponseObserver<>(responseObserver, exceptionFactory), context);
  }
}