/
ActivationCountBasedPlacementOptions.cs
42 lines (37 loc) · 1.53 KB
/
ActivationCountBasedPlacementOptions.cs
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using Microsoft.Extensions.Options;
using Orleans.Runtime;
namespace Orleans.Configuration
{
/// <summary>
/// Settings which regulate the placement of grains across a cluster when using <see cref="ActivationCountBasedPlacement"/>.
/// </summary>
public class ActivationCountBasedPlacementOptions
{
/// <summary>
/// Number of silos randomly selected for consideration when using activation count placement policy.
/// Only used with Activation Count placement policy.
/// </summary>
public int ChooseOutOf { get; set; } = DEFAULT_ACTIVATION_COUNT_PLACEMENT_CHOOSE_OUT_OF;
public const int DEFAULT_ACTIVATION_COUNT_PLACEMENT_CHOOSE_OUT_OF = 2;
}
/// <summary>
/// Validates <see cref="ActivationCountBasedPlacementOptions"/> properties.
/// </summary>
internal class ActivationCountBasedPlacementOptionsValidator : IConfigurationValidator
{
private readonly ActivationCountBasedPlacementOptions options;
public ActivationCountBasedPlacementOptionsValidator(IOptions<ActivationCountBasedPlacementOptions> options)
{
this.options = options.Value;
}
/// <inheritdoc />
public void ValidateConfiguration()
{
if (this.options.ChooseOutOf <= 0)
{
throw new OrleansConfigurationException(
$"The value of {nameof(ActivationCountBasedPlacementOptions)}.{nameof(this.options.ChooseOutOf)} must be greater than 0.");
}
}
}
}