public static CosmosElement ToCosmosElement(OrderByContinuationToken orderByContinuationToken)
        {
            CosmosElement        compositeContinuationToken = ParallelContinuationToken.ToCosmosElement(orderByContinuationToken.ParallelContinuationToken);
            List <CosmosElement> orderByItemsRaw            = new List <CosmosElement>();

            foreach (OrderByItem orderByItem in orderByContinuationToken.OrderByItems)
            {
                orderByItemsRaw.Add(OrderByItem.ToCosmosElement(orderByItem));
            }

            CosmosArray orderByItems = CosmosArray.Create(orderByItemsRaw);

            CosmosElement filter = orderByContinuationToken.Filter == null?CosmosNull.Create() : (CosmosElement)CosmosString.Create(orderByContinuationToken.Filter);

            CosmosObject cosmosObject = CosmosObject.Create(
                new Dictionary <string, CosmosElement>()
            {
                { PropertyNames.CompositeToken, compositeContinuationToken },
                { PropertyNames.OrderByItems, orderByItems },
                { PropertyNames.Rid, CosmosString.Create(orderByContinuationToken.Rid) },
                { PropertyNames.SkipCount, CosmosNumber64.Create(orderByContinuationToken.SkipCount) },
                { PropertyNames.Filter, filter },
            });

            return(cosmosObject);
        }
        public static TryCatch <OrderByContinuationToken> TryCreateFromCosmosElement(CosmosElement cosmosElement)
        {
            if (!(cosmosElement is CosmosObject cosmosObject))
            {
                return(TryCatch <OrderByContinuationToken> .FromException(
                           new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is not an object: {cosmosElement}")));
            }

            if (!cosmosObject.TryGetValue(PropertyNames.CompositeToken, out CosmosElement compositeContinuationTokenElement))
            {
                return(TryCatch <OrderByContinuationToken> .FromException(
                           new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.CompositeToken}': {cosmosElement}")));
            }

            TryCatch <ParallelContinuationToken> tryCompositeContinuation = ParallelContinuationToken.TryCreateFromCosmosElement(compositeContinuationTokenElement);

            if (!tryCompositeContinuation.Succeeded)
            {
                return(TryCatch <OrderByContinuationToken> .FromException(tryCompositeContinuation.Exception));
            }

            ParallelContinuationToken compositeContinuationToken = tryCompositeContinuation.Result;

            if (!cosmosObject.TryGetValue(PropertyNames.OrderByItems, out CosmosArray orderByItemsRaw))
            {
                return(TryCatch <OrderByContinuationToken> .FromException(
                           new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.OrderByItems}': {cosmosElement}")));
            }

            List <OrderByItem> orderByItems = orderByItemsRaw.Select(x => OrderByItem.FromCosmosElement(x)).ToList();

            if (!cosmosObject.TryGetValue(PropertyNames.Rid, out CosmosString ridRaw))
            {
                return(TryCatch <OrderByContinuationToken> .FromException(
                           new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.Rid}': {cosmosElement}")));
            }

            string rid = ridRaw.Value;

            if (!cosmosObject.TryGetValue(PropertyNames.SkipCount, out CosmosNumber64 skipCountRaw))
            {
                return(TryCatch <OrderByContinuationToken> .FromException(
                           new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.SkipCount}': {cosmosElement}")));
            }

            int skipCount = (int)Number64.ToLong(skipCountRaw.GetValue());

            if (!cosmosObject.TryGetValue(PropertyNames.Filter, out CosmosElement filterRaw))
            {
                return(TryCatch <OrderByContinuationToken> .FromException(
                           new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.Filter}': {cosmosElement}")));
            }

            string filter;

            if (filterRaw is CosmosString filterStringRaw)
            {
                filter = filterStringRaw.Value;
            }
            else
            {
                filter = null;
            }

            OrderByContinuationToken orderByContinuationToken = new OrderByContinuationToken(
                compositeContinuationToken,
                orderByItems,
                rid,
                skipCount,
                filter);

            return(TryCatch <OrderByContinuationToken> .FromResult(orderByContinuationToken));
        }
Exemple #3
0
 public static CosmosElement ToCosmosElement(OrderByItem orderByItem)
 {
     return(orderByItem.cosmosObject);
 }