BufferProducerException.cs

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using System;
 
namespace AnalyzeRe.LargeDataUpload
{
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage",
        "CA2237:MarkISerializableTypesWithSerializable")]
    public class BufferProducerException : Exception
    {
        public int Depth { get; }
 
        public Exception OriginalException { get; }
 
        public BufferProducerException(Exception innerException)
            : base(GetMessage(innerException), innerException)
        {
            BufferProducerException asBpException = innerException as BufferProducerException;
            Depth = 1 + asBpException?.Depth ?? 0;
            OriginalException = asBpException?.OriginalException ?? innerException;
        }
 
        private static string GetMessage(Exception ex)
        {
            BufferProducerException asBpException = ex as BufferProducerException;
            int depth = 1 + asBpException?.Depth ?? 0;
            Exception originalException = asBpException?.OriginalException ?? ex;
 
            return "An exception occurred on the producer thread at depth " +
                depth + ": " + originalException.Message;
        }
    }
}