internal RateLimitedIndexOutput(RateLimiter rateLimiter, IndexOutput @delegate)
{
// TODO should we make buffer size configurable
if (@delegate is BufferedIndexOutput)
{
bufferedDelegate = (BufferedIndexOutput)@delegate;
this.@delegate = @delegate;
}
else
{
this.@delegate = @delegate;
bufferedDelegate = null;
}
this.rateLimiter = rateLimiter;
}
/// <summary>
/// Sets the rate limiter to be used to limit (approx) MB/sec allowed by all IO
/// performed with the given context (<see cref="IOContext.UsageContext"/>). Pass <c>null</c> to
/// have no limit.
///
/// <para/>
/// Passing an instance of rate limiter compared to setting it using
/// <see cref="SetMaxWriteMBPerSec(double?, IOContext.UsageContext)"/>
/// allows to use the same limiter instance across several directories globally
/// limiting IO across them.
/// <para/>
/// @lucene.experimental
/// </summary>
/// <exception cref="ObjectDisposedException"> if the <see cref="Directory"/> is already disposed
/// </exception>
public void SetRateLimiter(RateLimiter mergeWriteRateLimiter, IOContext.UsageContext context)
{
EnsureOpen();
_contextRateLimiters[context] = mergeWriteRateLimiter;
}