private async Task <AggregateMetadata> GetAggregateAsync(string aggregateName, string[] signature)
{
if (signature == null)
{
signature = new string[0];
}
var key = KeyspaceMetadata.GetFunctionKey(aggregateName, signature);
if (_aggregates.TryGetValue(key, out var aggregate))
{
return(aggregate);
}
var signatureString = _parent.SchemaParser.ComputeFunctionSignatureString(signature);
var a = await _parent.SchemaParser.GetAggregateAsync(Name, aggregateName, signatureString).ConfigureAwait(false);
if (a == null)
{
return(null);
}
_aggregates.AddOrUpdate(key, a, (k, v) => a);
return(a);
}
private async Task <FunctionMetadata> GetFunctionAsync(string functionName, string[] signature)
{
if (signature == null)
{
signature = new string[0];
}
var key = KeyspaceMetadata.GetFunctionKey(functionName, signature);
if (_functions.TryGetValue(key, out var func))
{
return(func);
}
var signatureString = _parent.SchemaParser.ComputeFunctionSignatureString(signature);
var f = await _parent.SchemaParser.GetFunctionAsync(Name, functionName, signatureString).ConfigureAwait(false);
if (f == null)
{
return(null);
}
_functions.AddOrUpdate(key, f, (k, v) => f);
return(f);
}
/// <summary>
/// Removes aggregate metadata forcing refresh the next time the function metadata is retrieved
/// </summary>
internal void ClearAggregate(string name, string[] signature)
{
_aggregates.TryRemove(KeyspaceMetadata.GetFunctionKey(name, signature), out _);
}
/// <summary>
/// Removes function metadata forcing refresh the next time the function metadata is retrieved
/// </summary>
internal void ClearFunction(string name, string[] signature)
{
_functions.TryRemove(KeyspaceMetadata.GetFunctionKey(name, signature), out _);
}
