nl.topicus.jdbc.shaded.com.google.api.gax.rpc.ApiResultRetryAlgorithm Maven / Gradle / Ivy

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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package nl.topicus.jdbc.shaded.com.google.api.gax.rpc;

import nl.topicus.jdbc.shaded.com.google.api.gax.retrying.ResultRetryAlgorithm;
import nl.topicus.jdbc.shaded.com.google.api.gax.retrying.TimedAttemptSettings;
import nl.topicus.jdbc.shaded.org.threeten.bp.Duration;

/* Package-private for internal use. */
class ApiResultRetryAlgorithm implements ResultRetryAlgorithm {
  // Duration to sleep on if the error is DEADLINE_EXCEEDED.
  public static final Duration DEADLINE_SLEEP_DURATION = Duration.ofMillis(1);

  @Override
  public TimedAttemptSettings createNextAttempt(
      Throwable prevThrowable, ResponseT prevResponse, TimedAttemptSettings prevSettings) {
    if (prevThrowable != null && prevThrowable instanceof DeadlineExceededException) {
      return TimedAttemptSettings.newBuilder()
          .setGlobalSettings(prevSettings.getGlobalSettings())
          .setRetryDelay(prevSettings.getRetryDelay())
          .setRpcTimeout(prevSettings.getRpcTimeout())
          .setRandomizedRetryDelay(DEADLINE_SLEEP_DURATION)
          .setAttemptCount(prevSettings.getAttemptCount() + 1)
          .setFirstAttemptStartTimeNanos(prevSettings.getFirstAttemptStartTimeNanos())
          .build();
    }
    return null;
  }

  @Override
  public boolean shouldRetry(Throwable prevThrowable, ResponseT prevResponse) {
    return (prevThrowable instanceof ApiException) && ((ApiException) prevThrowable).isRetryable();
  }
}