public TokenBucket(long capacity, IRefillStrategy refillStrategy, ISleepStrategy sleepStrategy)
{
_capacity = capacity;
_refillStrategy = refillStrategy;
_sleepStrategy = sleepStrategy;
_size = 0;
}
/// <summary>
/// Initializes a new instance of the <see cref="LeakyBucket"/> class
/// </summary>
/// <param name="capacity">The maximum number of tokens this bucket can hold</param>
/// <param name="sleep">Defines the <see cref="ISleepStrategy"/> used when <see cref="Consume"/> is invoked
/// but the bucket does not have enough tokens yet</param>
/// <param name="refill">Defines the <see cref="IRefillStrategy"/> that computes how many tokens to add
/// back to the bucket each time consumption is attempted</param>
/// <param name="timeProvider">Defines the <see cref="ITimeProvider"/> used to enforce timeouts when
/// invoking <see cref="Consume"/></param>
public LeakyBucket(long capacity, ISleepStrategy sleep, IRefillStrategy refill, ITimeProvider timeProvider = null)
{
_sleep = sleep;
_refill = refill;
Capacity = capacity;
_available = capacity;
_timeProvider = timeProvider ?? RealTimeProvider.Instance;
}
/// <summary>Use a user defined refill strategy.</summary>
public Builder WithRefillStrategy(IRefillStrategy refillStrategy)
{
if (refillStrategy == null)
{
throw new ArgumentNullException("refillStrategy");
}
_refillStrategy = refillStrategy;
return(this);
}
#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
public static async Task <ITokenBucket> BucketWithRefillStrategy
#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
(long capacity, IRefillStrategy refillStrategy)
{
if (capacity <= 0)
{
throw new ArgumentOutOfRangeException("capacity", "Must specify a positive number of tokens");
}
if (refillStrategy == null)
{
throw new ArgumentNullException("refillStrategy");
}
return(new TokenBucket(capacity, refillStrategy));
}