const string RowKeyFormat = "{0}"; // functionName
public static FunctionDefinitionEntity New(string functionName)
{
return(new FunctionDefinitionEntity
{
PartitionKey = PartitionKeyFormat,
RowKey = string.Format(CultureInfo.InvariantCulture, RowKeyFormat, TableScheme.NormalizeFunctionName(functionName))
});
}
/// <summary>
/// Build a FunctionId from the host and function name.
/// </summary>
/// <param name="hostName"></param>
/// <param name="functionName"></param>
/// <returns></returns>
public static FunctionId Build(string hostName, string functionName)
{
var value = string.Concat(
TableScheme.NormalizeFunctionName(hostName),
"-",
TableScheme.NormalizeFunctionName(functionName));
return(Parse(value));
}
// Salt must be deterministic.
internal static string RowKeyTimeStampDescending(string functionName, DateTime startTime, Guid salt)
{
var x = (DateTime.MaxValue.Ticks - startTime.Ticks);
// Need Salt since timestamp may not be unique
int salt2 = salt.GetHashCode();
string rowKey = string.Format(CultureInfo.InvariantCulture, RowKeyFormat, TableScheme.NormalizeFunctionName(functionName), x, salt2);
return(rowKey);
}
// No salt. This is a prefix, so we'll pick up all ranges.
private static string RowKeyTimeStampDescendingPrefix(string functionName, DateTime startTime)
{
var x = (DateTime.MaxValue.Ticks - startTime.Ticks);
string rowKey = string.Format(CultureInfo.InvariantCulture, RowKeyPrefix, TableScheme.NormalizeFunctionName(functionName), x);
return(rowKey);
}
internal static string RowKeyTimeInterval(string functionId, DateTime dateTime, string hostId)
{
var bucket = TimeBucket.ConvertToBucket(dateTime);
string rowKey = string.Format(CultureInfo.InvariantCulture, RowKeyFormat, TableScheme.NormalizeFunctionName(functionId), bucket, hostId);
return(rowKey);
}
private async Task <IFunctionDefinition[]> GetFunctionDefinitionsHelperAsync(CloudTable table, string hostName)
{
TableQuery <FunctionDefinitionEntity> query;
if (hostName == null)
{
query = TableScheme.GetRowsInPartition <FunctionDefinitionEntity>(TableScheme.FuncDefIndexPK);
}
else
{
query = TableScheme.GetRowsWithPrefixAsync <FunctionDefinitionEntity>(TableScheme.FuncDefIndexPK,
TableScheme.NormalizeFunctionName(hostName));
}
var results = await table.SafeExecuteQueryAsync(query);
return(results);
}
