/// <summary>
        /// Builds the allocation chain following the GAM interval
        /// </summary>
        private async Task BuildAllocationChain(AllocationMap allocationMap,
                                                int databaseId,
                                                PageAddress pageAddress,
                                                int fileSize)
        {
            var allocationPage = await GetAllocationPage(databaseId, pageAddress);

            if (allocationPage.Header.PageType == PageType.Iam)
            {
                throw new ArgumentException();
            }

            allocationMap.Pages.Add(allocationPage);

            var interval = AllocationMap.Interval;

            var pageCount = (int)Math.Ceiling(fileSize / (decimal)interval);

            if (pageCount > 1)
            {
                for (var i = 1; i < pageCount; i++)
                {
                    var allocationAddress = new PageAddress(pageAddress.FileId, pageAddress.PageId + (i * interval));

                    allocationMap.Pages.Add(await GetAllocationPage(databaseId, allocationAddress));
                }
            }
        }
        public async Task <AllocationMap> GetAllocation(int databaseId, PageAddress pageAddress, int fileSize)
        {
            var allocation = new AllocationMap();

            await BuildAllocationChain(allocation, databaseId, pageAddress, fileSize);

            return(allocation);
        }
Ejemplo n.º 3
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        public override void AssignExperiment()
        {
            var segment = GetSegment();

            if (AllocationMap.ContainsKey(segment))
            {
                var experimentName = AllocationMap[segment];
                _assignExperimentObject(experimentName);
            }
        }
Ejemplo n.º 4
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        public override bool RemoveExperiment(string name)
        {
            if (!ActiveExperiments.ContainsKey(name))
            {
                return(false);
            }
            var keysToRemove =
                (from segmentAllocation in AllocationMap
                 where segmentAllocation.Value == name
                 select segmentAllocation.Key).ToList();

            foreach (var key in keysToRemove)
            {
                AllocationMap.Remove(key);
                AvailableSeqments.Add(key);
            }
            return(true);
        }