/// <summary>
/// Finds the application object by known maps.
/// </summary>
/// <param name="objectSpace">The object space.</param>
/// <param name="reference">The reference.</param>
/// <returns>Application object</returns>
private static object findApplicationObjectByKnownMaps(IObjectSpace objectSpace, IObjectReference reference)
{
object result = null;
// search using known mappings
if (reference is IPackageObjectReference)
{
var objRef = (IPackageObjectReference)reference;
if (!string.IsNullOrEmpty(objRef.KnownMapping))
{
var typeInfo = objectSpace.TypesInfo.FindTypeInfo(objRef.ClassName);
if (typeInfo != null)
{
foreach (var mappingString in objRef.KnownMapping.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries))
{
var mapValues = mappingString.Split('\a');
if (mapValues.Length < 2)
{
continue;
}
var refNodeId = mapValues[0];
if (refNodeId == XafDeltaModule.Instance.CurrentNodeId)
{
// direct search by TargetId in current database
result = objectSpace.GetObjectByKey(typeInfo.Type,
XPWeakReference.StringToKey(mapValues[1]));
}
else
{
// search similar mapping in existing OidMaps and return its target
var searchCriteria =
CriteriaOperator.Parse("NodeId = ? And AssemblyName = ? And ClassName = ? And ObjectId = ?",
refNodeId, reference.AssemblyName, reference.ClassName, mapValues[1]);
var knownMap = objectSpace.FindObject <OidMap>(searchCriteria, true);
if (knownMap != null)
{
result = knownMap.TargetObject;
}
}
if (result != null)
{
break;
}
}
}
}
}
return(result);
}
public override object ConvertFromStorageType(object value)
{
return(XPWeakReference.StringToKey((string)value));
}