public static TryCatch <IQueryPipelineStage> MonadicCreate(
int offsetCount,
CosmosElement continuationToken,
CancellationToken cancellationToken,
MonadicCreatePipelineStage monadicCreatePipelineStage)
{
if (monadicCreatePipelineStage == null)
{
throw new ArgumentNullException(nameof(monadicCreatePipelineStage));
}
OffsetContinuationToken offsetContinuationToken;
if (continuationToken != null)
{
(bool parsed, OffsetContinuationToken parsedToken) = OffsetContinuationToken.TryParse(continuationToken);
if (!parsed)
{
return(TryCatch <IQueryPipelineStage> .FromException(
new MalformedContinuationTokenException($"Invalid {nameof(SkipQueryPipelineStage)}: {continuationToken}.")));
}
offsetContinuationToken = parsedToken;
}
else
{
offsetContinuationToken = new OffsetContinuationToken(offsetCount, null);
}
if (offsetContinuationToken.Offset > offsetCount)
{
return(TryCatch <IQueryPipelineStage> .FromException(
new MalformedContinuationTokenException(
"offset count in continuation token can not be greater than the offsetcount in the query.")));
}
TryCatch <IQueryPipelineStage> tryCreateSource = monadicCreatePipelineStage(offsetContinuationToken.SourceToken, cancellationToken);
if (tryCreateSource.Failed)
{
return(tryCreateSource);
}
IQueryPipelineStage stage = new ComputeSkipQueryPipelineStage(
tryCreateSource.Result,
cancellationToken,
offsetContinuationToken.Offset);
return(TryCatch <IQueryPipelineStage> .FromResult(stage));
}
public static TryCatch <IQueryPipelineStage> MonadicCreate(
ExecutionEnvironment executionEnvironment,
int offsetCount,
CosmosElement continuationToken,
CancellationToken cancellationToken,
MonadicCreatePipelineStage monadicCreatePipelineStage)
{
TryCatch <IQueryPipelineStage> tryCreate = executionEnvironment switch
{
ExecutionEnvironment.Client => ClientSkipQueryPipelineStage.MonadicCreate(
offsetCount,
continuationToken,
cancellationToken,
monadicCreatePipelineStage),
ExecutionEnvironment.Compute => ComputeSkipQueryPipelineStage.MonadicCreate(
offsetCount,
continuationToken,
cancellationToken,
monadicCreatePipelineStage),
_ => throw new ArgumentException($"Unknown {nameof(ExecutionEnvironment)}: {executionEnvironment}"),
};
return(tryCreate);
}
