internal TableQuery <AzureTableOrchestrationStateEntity> CreateQueryInternal(OrchestrationStateQuery stateQuery, int count, bool useTimeRangePrimaryFilter)
{
OrchestrationStateQueryFilter primaryFilter = null;
IEnumerable <OrchestrationStateQueryFilter> secondaryFilters = null;
Tuple <OrchestrationStateQueryFilter, IEnumerable <OrchestrationStateQueryFilter> > filters =
stateQuery.GetFilters();
if (filters != null)
{
primaryFilter = filters.Item1;
secondaryFilters = filters.Item2;
}
string filterExpression = GetPrimaryFilterExpression(primaryFilter, useTimeRangePrimaryFilter);
if (string.IsNullOrWhiteSpace(filterExpression))
{
throw new InvalidOperationException("Invalid primary filter");
}
if (secondaryFilters != null)
{
filterExpression = secondaryFilters.Aggregate(filterExpression,
(current, filter) =>
{
string newFilter = current;
string secondaryFilter = GetSecondaryFilterExpression(filter);
if (!string.IsNullOrWhiteSpace(secondaryFilter))
{
newFilter += " and " + secondaryFilter;
}
return(newFilter);
});
}
TableQuery <AzureTableOrchestrationStateEntity> query =
new TableQuery <AzureTableOrchestrationStateEntity>().Where(filterExpression);
if (count != -1)
{
query.TakeCount = count;
}
return(query);
}
