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));
}
public void TestRoundTripAsCosmosElement(string token)
{
ParallelContinuationToken compositeContinuationToken = new ParallelContinuationToken(
token,
new Documents.Routing.Range <string>("asdf", "asdf", true, false));
CosmosElement cosmosElementToken = ParallelContinuationToken.ToCosmosElement(compositeContinuationToken);
TryCatch <ParallelContinuationToken> tryCompositeContinuationTokenFromCosmosElement = ParallelContinuationToken.TryCreateFromCosmosElement(cosmosElementToken);
Assert.IsTrue(tryCompositeContinuationTokenFromCosmosElement.Succeeded);
ParallelContinuationToken compositeContinuationTokenFromCosmosElement = tryCompositeContinuationTokenFromCosmosElement.Result;
Assert.AreEqual(compositeContinuationToken.Token, compositeContinuationTokenFromCosmosElement.Token);
Assert.AreEqual(compositeContinuationToken.Range.Min, compositeContinuationTokenFromCosmosElement.Range.Min);
Assert.AreEqual(compositeContinuationToken.Range.Max, compositeContinuationTokenFromCosmosElement.Range.Max);
Assert.AreEqual(compositeContinuationToken.Range.IsMinInclusive, compositeContinuationTokenFromCosmosElement.Range.IsMinInclusive);
Assert.AreEqual(compositeContinuationToken.Range.IsMaxInclusive, compositeContinuationTokenFromCosmosElement.Range.IsMaxInclusive);
}