/// <summary>
/// Creates poll settings from the given expiration, delay, delay multiplier and maximum delay.
/// </summary>
/// <param name="expiration">The expiration to use in order to know when to stop polling. Must not be null.</param>
/// <param name="delay">The delay between RPC calls. Must be non-negative.</param>
/// <param name="delayMultiplier">The multiplier to apply to the delay on each iteration; must be greater or equal to 1.0.</param>
/// <param name="maxDelay">The maximum delay to use.</param>
public PollSettings(Expiration expiration, TimeSpan delay, double delayMultiplier, TimeSpan maxDelay)
{
Expiration = GaxPreconditions.CheckNotNull(expiration, nameof(expiration));
Delay = GaxPreconditions.CheckNonNegativeDelay(delay, nameof(delay));
if (delayMultiplier < 1.0 || double.IsNaN(delayMultiplier))
{
throw new ArgumentOutOfRangeException(nameof(delayMultiplier), delayMultiplier,
"Delay multiplier must be a real number greater than or equal to 1");
}
DelayMultiplier = delayMultiplier;
MaxDelay = GaxPreconditions.CheckNonNegativeDelay(maxDelay, nameof(maxDelay));
}
/// <summary>
/// Creates poll settings from the given expiration, delay and call settings.
/// </summary>
/// <param name="expiration">The expiration to use in order to know when to stop polling. Must not be null.</param>
/// <param name="delay">The delay between RPC calls. Must be non-negative.</param>
public PollSettings(Expiration expiration, TimeSpan delay)
{
Expiration = GaxPreconditions.CheckNotNull(expiration, nameof(expiration));
Delay = GaxPreconditions.CheckNonNegativeDelay(delay, nameof(delay));
}