/// <summary>
/// Load field data.
/// </summary>
/// <param name="dataTable"></param>
/// <param name="context"></param>
/// <returns></returns>
/// <remarks>
/// Data sources MUST:
/// - ensure that bits are represented as Booleans
/// - ensure that XML is transformed so that entityRefs contain Upgrade ids
/// - or where XML contains an alias, translate it to uprgadeId|alias (as the alias may be changed in the target)
/// - ensure that aliases export their namespace and direction marker.
/// </remarks>
public IEnumerable <DataEntry> GetFieldData(string dataTable, IProcessingContext context)
{
if (!FieldData.ContainsKey(dataTable))
{
return(Enumerable.Empty <DataEntry>( ));
}
Dictionary <Entity, List <FieldData> > typedValues = FieldData[dataTable];
if (dataTable == "Alias")
{
Alias aliasMarkerIdField = Aliases.CoreAlias("aliasMarkerId");
return(from pair in typedValues
from field in pair.Value
let alias = SchemaResolver.GetAliasFieldValue(pair.Key, field.Field.Alias)
let intFieldValue = SchemaResolver.GetIntFieldValue(field.Field, aliasMarkerIdField)
where intFieldValue != null
where pair.Key.Members != null && pair.Key.Members.Any(m => m.MemberDefinition.Alias.Namespace == "core" && m.MemberDefinition.Alias.Value == "inSolution" && m.Value == ActiveSolution)
let markerId = intFieldValue.Value
select new DataEntry
{
AliasMarkerId = markerId,
Data = alias.Value,
EntityId = pair.Key.Guid,
FieldId = field.Field.Guid,
Namespace = alias.Namespace,
State = DataState.Added
});
}
/////
// Non-Alias
/////
return(from pair in typedValues
from field in pair.Value
where pair.Key.Members != null && pair.Key.Members.Any(m => m.MemberDefinition.Alias.Namespace == "core" && m.MemberDefinition.Alias.Value == "inSolution" && m.Value == ActiveSolution)
select new DataEntry
{
Data = FormatData(field),
EntityId = pair.Key.Guid,
FieldId = field.Field.Guid,
State = DataState.Added
});
}
public override void ProcessResponse(Session session, Message message, bool isPartialResponse, Action <Session, Message, Exception> onFailure)
{
IObserver <ReferenceDataResponse> observer;
if (!TryGet(message.CorrelationID, out observer))
{
onFailure(session, message, new Exception("Unable to find handler for correlation id: " + message.CorrelationID));
return;
}
if (message.HasElement(ElementNames.ResponseError))
{
var responseErrorElement = message.GetElement(ElementNames.ResponseError);
var responseError = new ResponseError(
responseErrorElement.GetElementAsString(ElementNames.Source),
responseErrorElement.GetElementAsString(ElementNames.Category),
responseErrorElement.GetElementAsString(ElementNames.SubCategory),
responseErrorElement.GetElementAsInt32(ElementNames.Code),
responseErrorElement.GetElementAsString(ElementNames.Message));
observer.OnError(new ContentException <ResponseError>(responseError));
// We assume no more messages will be delivered for this correlation id.
Remove(message.CorrelationID);
return;
}
var referenceDataResponse = new ReferenceDataResponse();
var securities = message.GetElement(ElementNames.SecurityData);
for (var i = 0; i < securities.NumValues; ++i)
{
var security = securities.GetValueAsElement(i);
var ticker = security.GetElementAsString(ElementNames.Security);
if (security.HasElement(ElementNames.SecurityError))
{
var securityErrorElement = security.GetElement(ElementNames.SecurityError);
var responseError = new ResponseError(
securityErrorElement.GetElementAsString(ElementNames.Source),
securityErrorElement.GetElementAsString(ElementNames.Category),
securityErrorElement.GetElementAsString(ElementNames.SubCategory),
securityErrorElement.GetElementAsInt32(ElementNames.Code),
securityErrorElement.GetElementAsString(ElementNames.Message));
referenceDataResponse.Add(ticker, Either.Left <ResponseError, FieldData>(responseError));
continue;
}
var fieldData = new FieldData();
var fields = security.GetElement(ElementNames.FieldData);
for (var j = 0; j < fields.NumElements; ++j)
{
var field = fields.GetElement(j);
var name = field.Name.ToString();
var value = field.GetFieldValue();
if (fieldData.ContainsKey(name))
{
fieldData[name] = value;
}
else
{
fieldData.Add(name, value);
}
}
referenceDataResponse.Add(ticker, Either.Right <ResponseError, FieldData>(fieldData));
}
observer.OnNext(referenceDataResponse);
if (!isPartialResponse)
{
observer.OnCompleted();
Remove(message.CorrelationID);
}
}
