protected override void InvokeInternal(CommandProcessorContext cpc)
{
// if we don't have an ECM yet, go create one
if (EntityContainerMapping == null)
{
var createECM = new CreateEntityContainerMappingCommand(AssociationSet.Artifact);
CommandProcessor.InvokeSingleCommand(cpc, createECM);
EntityContainerMapping = createECM.EntityContainerMapping;
}
Debug.Assert(EntityContainerMapping != null, "EntityContainerMapping should not be null");
if (EntityContainerMapping == null)
{
throw new CannotLocateParentItemException();
}
// create the ETM
var asm = new AssociationSetMapping(EntityContainerMapping, null);
asm.Name.SetRefName(AssociationSet);
asm.TypeName.SetRefName(Association);
asm.StoreEntitySet.SetRefName(StorageEntitySet);
EntityContainerMapping.AddAssociationSetMapping(asm);
XmlModelHelper.NormalizeAndResolve(asm);
Debug.Assert(asm.Name.Target != null, "Could not resolve association set reference");
Debug.Assert(asm.TypeName.Target != null, "Could not resolve association type reference");
Debug.Assert(asm.StoreEntitySet.Target != null, "Could not resolve table reference");
var assoc = asm.TypeName.Target;
Debug.Assert(assoc != null, "Could not resolve association reference");
if (assoc != null)
{
InferReferentialConstraints.AddRule(cpc, assoc);
}
_created = asm;
}
