internal static AssociationIdentity CreateAssociationIdentity(AssociationSetMapping asm)
{
var sSideEntitySet = asm.StoreEntitySet.Target as StorageEntitySet;
if (null == sSideEntitySet)
{
// a null sSideEntitySet indicates an unresolved AssociationSetMapping
// we treat this as equivalent to the AssociationSet being unmapped
return null;
}
var assocId = new AssociationIdentityForAssociationSetMapping();
assocId._assocTable = DatabaseObject.CreateFromEntitySet(sSideEntitySet);
foreach (var endProp in asm.EndProperties())
{
var assocEndId = new AssociationEndIdentity(endProp);
assocId.AddAssociationEndIdentity(assocEndId);
}
return assocId;
}
/// <summary>
/// Creates a new AssociationSetMapping in the existing EntityContainerMapping
/// based on another AssociationSetMapping (asmToClone) in a different artifact.
/// All the other parameters are presumed to already exist in the same artifact
/// as the EntityContainerMapping.
/// </summary>
private AssociationSetMapping CloneAssociationSetMapping(
CommandProcessorContext cpc, AssociationSetMapping asmToClone,
EntityContainerMapping existingEntityContainerMapping, AssociationSet existingAssociationSet,
Association existingAssociation, StorageEntitySet existingStorageEntitySet,
Dictionary<EntityType, EntityType> tempArtifactCEntityTypeToNewCEntityTypeInExistingArtifact)
{
var createASM = new CreateAssociationSetMappingCommand(
existingEntityContainerMapping, existingAssociationSet, existingAssociation, existingStorageEntitySet);
CommandProcessor.InvokeSingleCommand(cpc, createASM);
var asmInExistingArtifact = createASM.AssociationSetMapping;
if (null == asmInExistingArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseCannotCreateAssociationSetMapping,
existingAssociationSet.ToPrettyString()));
}
// cannot just look for an AssociationSetEnd with the same Role name in
// the existing artifact as the role may have changed when the Association was
// copied into the existing artifact - but we do know the ends were created in
// the same order - so simply match them up
var existingAssocSetEnds = existingAssociationSet.AssociationSetEnds().ToArray();
if (2 != existingAssocSetEnds.Length)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingWrongNumberAssociationSetEnds,
existingAssociationSet.ToPrettyString(),
existingAssocSetEnds.Length));
}
var endsToClone = asmToClone.EndProperties().ToArray();
if (2 != endsToClone.Length)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingWrongNumberAssociationSetEnds,
existingAssociationSet.ToPrettyString(),
existingAssocSetEnds.Length));
}
for (var i = 0; i < 2; i++)
{
var aseInExistingArtifact = existingAssocSetEnds[i];
var endToClone = endsToClone[i];
CloneEndProperty(
cpc, endToClone, asmInExistingArtifact, aseInExistingArtifact, tempArtifactCEntityTypeToNewCEntityTypeInExistingArtifact);
}
return asmInExistingArtifact;
}
