/// <summary>
/// Resolves a reference from <paramref name="crossReference"/>
/// </summary>
/// <param name="crossReference">
/// The cross reference instance
/// </param>
/// <param name="structRetrievalManager">
/// The structure Retrieval Manager.
/// </param>
/// <returns>
/// a reference from <paramref name="crossReference"/>
/// </returns>
public virtual IIdentifiableObject ResolveCrossReference(
ICrossReference crossReference, ISdmxRetrievalManager structRetrievalManager)
{
if (crossReference.TargetReference == SdmxStructureEnumType.Agency)
{
return this.ResoveAgency(crossReference.ChildReference.Id);
}
var maintainableParent =
crossReference.ReferencedFrom.GetParent<IMaintainableObject>(typeof(IMaintainableObject), true);
IStructureReference maintainableReferenceObject;
if (crossReference.HasChildReference())
{
maintainableReferenceObject = new StructureReferenceImpl(
crossReference.MaintainableReference, crossReference.MaintainableStructureEnumType);
}
else
{
maintainableReferenceObject = crossReference;
}
IMaintainableObject resolvedMaintainable = this.ResolveMaintainableFromLocalMaps(
maintainableReferenceObject, maintainableParent);
if (resolvedMaintainable == null && structRetrievalManager != null)
{
// TODO avoid try catch
try
{
resolvedMaintainable = structRetrievalManager.GetMaintainable(maintainableReferenceObject);
}
catch (Exception)
{
throw new ReferenceException(crossReference);
}
}
if (resolvedMaintainable == null)
{
throw new ReferenceException(crossReference);
}
// Add the maintainable to the local map, so we don't have to go back to the DAO if there is another reference to the same maintainable
this._maintianables.Add(resolvedMaintainable);
if (crossReference.HasChildReference())
{
string targetUrn = crossReference.TargetUrn;
/* foreach */
foreach (IIdentifiableObject currentComposite in resolvedMaintainable.IdentifiableComposites)
{
if (currentComposite.Urn.Equals(targetUrn))
{
return currentComposite;
}
}
}
else
{
return resolvedMaintainable;
}
throw new ReferenceException(crossReference);
}
