internal AssociationSetEndMappingBuilder(AssociationSetEnd setEnd, StorageEntityType storageEntityType)
{
Debug.Assert(setEnd != null, "setEnd should not be null");
Debug.Assert(storageEntityType != null, "storageEntityType should not be null");
_setEnd = setEnd;
_storageEntityType = storageEntityType;
}
private CreateEndScalarPropertyCommand(
AssociationSetMapping associationSetMapping, AssociationSetEnd associationSetEnd, Property entityProperty, Property tableColumn,
bool enforceConstraints)
{
Initialize(entityProperty, tableColumn, enforceConstraints);
CommandValidation.ValidateAssociationSetMapping(associationSetMapping);
CommandValidation.ValidateAssociationSetEnd(associationSetEnd);
_associationSetMapping = associationSetMapping;
_associationSetEnd = associationSetEnd;
}
internal override bool ParseSingleElement(ICollection <XName> unprocessedElements, XElement elem)
{
if (elem.Name.LocalName == AssociationSetEnd.ElementName)
{
var ase = new AssociationSetEnd(this, elem);
_ends.Add(ase);
ase.Parse(unprocessedElements);
}
else
{
return(base.ParseSingleElement(unprocessedElements, elem));
}
return(true);
}
public MappingAssociationSetEnd(EditingContext context, AssociationSetEnd end, MappingEFElement parent)
: base(context, end, parent)
{
}
internal AssociationSetEndMappingBuilderForViewModel(
AssociationSetEnd setEnd, StorageEntityType storeEntityType, MappingAssociationSetEnd mase)
: base(setEnd, storeEntityType)
{
_mase = mase;
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
Debug.Assert(Association != null, "InvokeInternal is called when Association is null.");
if (Association == null)
{
throw new InvalidOperationException("InvokeInternal is called when Association is null");
}
var service = cpc.EditingContext.GetEFArtifactService();
var artifact = service.Artifact;
// the entity container we want to add it to
BaseEntityContainer entityContainer = null;
switch (CommandModelSpace)
{
case ModelSpace.Conceptual:
entityContainer = artifact.ConceptualModel().FirstEntityContainer;
break;
case ModelSpace.Storage:
entityContainer = artifact.StorageModel().FirstEntityContainer;
break;
}
Debug.Assert(entityContainer != null, "No entity container");
// check for uniqueness
string msg = null;
if (ModelHelper.IsUniqueName(typeof(AssociationSet), entityContainer, Name, false, out msg) == false)
{
throw new InvalidOperationException(msg);
}
// create the new item in our model
var associationSet = new AssociationSet(entityContainer, null);
associationSet.LocalName.Value = Name;
entityContainer.AddAssociationSet(associationSet);
// set the association binding: needs to happen before the ends are resolved
if (Association != null)
{
associationSet.Association.SetRefName(Association);
}
// TODO: what should we create if these bindings are unknown?
var end1 = Association.AssociationEnds()[0];
var end2 = Association.AssociationEnds()[1];
if (end1 != null
&& end1.Type.Status == BindingStatus.Known
&& end2 != null
&& end2.Type.Status == BindingStatus.Known)
{
var setEnd1 = new AssociationSetEnd(associationSet, null);
setEnd1.Role.SetRefName(end1);
setEnd1.EntitySet.SetRefName(end1.Type.Target.EntitySet);
associationSet.AddAssociationSetEnd(setEnd1);
var setEnd2 = new AssociationSetEnd(associationSet, null);
setEnd2.Role.SetRefName(end2);
setEnd2.EntitySet.SetRefName(end2.Type.Target.EntitySet);
associationSet.AddAssociationSetEnd(setEnd2);
}
XmlModelHelper.NormalizeAndResolve(associationSet);
_createdAssociationSet = associationSet;
}
internal void AddAssociationSetEnd(AssociationSetEnd end)
{
_ends.Add(end);
}
internal override bool ParseSingleElement(ICollection<XName> unprocessedElements, XElement elem)
{
if (elem.Name.LocalName == AssociationSetEnd.ElementName)
{
var ase = new AssociationSetEnd(this, elem);
_ends.Add(ase);
ase.Parse(unprocessedElements);
}
else
{
return base.ParseSingleElement(unprocessedElements, elem);
}
return true;
}
internal AssociationSetEndMappingBuilderForCommand(AssociationSetEnd setEnd, StorageEntityType storeEntityType)
: base(setEnd, storeEntityType)
{
}
/// <summary>
/// Creates an EndProperty and then creates the ScalarProperty in that End.
/// </summary>
/// <param name="associationSetMapping"></param>
/// <param name="associationSetEnd"></param>
/// <param name="entityProperty">This must be a valid Property from the C-Model.</param>
/// <param name="tableColumn">This must be a valid Property from the S-Model.</param>
internal CreateEndScalarPropertyCommand(
AssociationSetMapping associationSetMapping, AssociationSetEnd associationSetEnd, Property entityProperty, Property tableColumn)
: this(associationSetMapping, associationSetEnd, entityProperty, tableColumn, true)
{
}
internal CreateEndPropertyCommand(CreateAssociationSetMappingCommand prereq, AssociationSetEnd associationSetEnd)
: base(PrereqId)
{
AssociationSetEnd = associationSetEnd;
AddPreReqCommand(prereq);
}
internal CreateEndPropertyCommand(AssociationSetMapping associationSetMapping, AssociationSetEnd associationSetEnd)
: base(PrereqId)
{
AssociationSetMapping = associationSetMapping;
AssociationSetEnd = associationSetEnd;
}
internal static void ValidateAssociationSetEnd(AssociationSetEnd setend)
{
ValidateEFElement(setend);
}
internal void AddAssociationSetEnd(AssociationSetEnd end)
{
_ends.Add(end);
}
/// <summary>
/// Normalize a ref name relative to an Association End. This will return true if the symbol is valid & points to a valid
/// EFElement, false otherwise.
/// </summary>
/// <param name="setEnd"></param>
/// <param name="parent"></param>
/// <param name="refName"></param>
/// <param name="symbol"></param>
/// <returns></returns>
internal static NormalizedName NormalizeNameFromAssociationSetEnd(AssociationSetEnd setEnd, EFElement parent, string refName)
{
if (setEnd.Role.Status == BindingStatus.Known)
{
var end = setEnd.Role.Target;
if (end.Type.Status == BindingStatus.Known)
{
var type = end.Type.Target;
if (type != null)
{
var cet = type as ConceptualEntityType;
if (cet != null)
{
// thie is a c-side entity type
while (cet != null)
{
var nn = GetNormalizedNameRelativeToEntityType(cet, refName, parent.Artifact.ArtifactSet);
if (nn != null)
{
return nn;
}
cet = cet.BaseType.Target;
}
}
else
{
// this is an s-side entity type
var nn = GetNormalizedNameRelativeToEntityType(type, refName, parent.Artifact.ArtifactSet);
if (nn != null)
{
return nn;
}
}
}
}
}
return null;
}
private EndProperty CloneEndProperty(
CommandProcessorContext cpc,
EndProperty endToClone, AssociationSetMapping asmInExistingArtifact, AssociationSetEnd aseInExistingArtifact,
Dictionary<EntityType, EntityType> tempArtifactCEntityTypeToNewCEntityTypeInExistingArtifact)
{
var createEnd = new CreateEndPropertyCommand(asmInExistingArtifact, aseInExistingArtifact);
CommandProcessor.InvokeSingleCommand(cpc, createEnd);
var endInExistingArtifact = createEnd.EndProperty;
if (null == endInExistingArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseCannotCreateAssociationSetMappingEndProperty,
aseInExistingArtifact.ToPrettyString()));
}
var existingArtifact = cpc.Artifact;
Debug.Assert(existingArtifact != null, "existingArtifact is null for endToClone " + endToClone.ToPrettyString());
foreach (var sp in endToClone.ScalarProperties())
{
if (null == sp.Name.Target)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseScalarPropertyNoNameTarget,
sp.ToPrettyString()));
}
if (null == sp.ColumnName.Target)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseScalarPropertyNoColumnNameTarget,
sp.ToPrettyString()));
}
var spCSideEntityTypeinTempArtifact = sp.Name.Target.EntityType as ConceptualEntityType;
if (null == spCSideEntityTypeinTempArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindEntityTypeForProperty,
sp.Name.Target.ToPrettyString()));
}
var spSSideEntityTypeinTempArtifact = sp.ColumnName.Target.EntityType as StorageEntityType;
if (null == spSSideEntityTypeinTempArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindEntityTypeForProperty,
sp.ColumnName.Target.ToPrettyString()));
}
var csdlEntityTypeInExistingArtifact =
FindMatchingConceptualEntityTypeInExistingArtifact(
spCSideEntityTypeinTempArtifact,
tempArtifactCEntityTypeToNewCEntityTypeInExistingArtifact);
if (null == csdlEntityTypeInExistingArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindMatchingEntityType,
sp.ToPrettyString(),
spCSideEntityTypeinTempArtifact.ToPrettyString()));
}
var ssdlEntityTypeInExistingArtifact =
FindMatchingStorageEntityTypeInExistingArtifact(spSSideEntityTypeinTempArtifact);
if (null == ssdlEntityTypeInExistingArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindMatchingEntityType,
sp.ToPrettyString(),
spSSideEntityTypeinTempArtifact.ToPrettyString()));
}
var entityProperty = FindMatchingPropertyInExistingArtifactEntityType(sp.Name.Target, csdlEntityTypeInExistingArtifact);
if (null == entityProperty)
{
// Cannot find matching property - it must have been unmapped.
// So try to create a new mapped property to which to attach
// this association.
// First find S-side Property in temp artifact to which the C-side
// Property identified in the AssociationSetMapping is mapped
// (Note: cannot use just sp.ColumnName.Target as the S-side Property
// used in the AssociationSetMapping can be different from what is used
// for the EntitySetMapping in the temp artifact and it is this latter
// we need to replicate here).
Property sSidePropertyToBeMappedInTempArtifact = null;
foreach (var spInTempArtifact in sp.Name.Target.GetAntiDependenciesOfType<ScalarProperty>())
{
// Ensure that S-side ScalarProperty is from an EntitySetMapping (and not
// an AssociationSetMapping) in the temp artifact.
// Can use first one as in temp artifact there is 1:1 mapping.
if (null != spInTempArtifact.GetParentOfType(typeof(EntitySetMapping)))
{
if (null != spInTempArtifact.ColumnName
&& null != spInTempArtifact.ColumnName.Target)
{
if (null == sSidePropertyToBeMappedInTempArtifact)
{
sSidePropertyToBeMappedInTempArtifact = spInTempArtifact.ColumnName.Target;
}
else
{
// error in temp artifact - there's more than 1 EntitySetMapping ScalarProperty
// mapped to the C-side Property
Debug.Fail(
"C-side Property " + sp.Name.Target.ToPrettyString() +
" has more than 1 ScalarProperty anti-dep with an EntitySetMapping parent. Should be at most 1.");
break;
}
}
}
}
if (null == sSidePropertyToBeMappedInTempArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindSSideForCSideProperty,
sp.ToPrettyString(),
sp.Name.Target.ToPrettyString()));
}
// Now find the matching S-side Property in the existing artifact
var sSidePropertyToBeMappedInExistingArtifact =
FindSSidePropInExistingArtifact(sSidePropertyToBeMappedInTempArtifact);
if (null == sSidePropertyToBeMappedInExistingArtifact)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindMatchingSSideProperty,
sp.ToPrettyString(),
sSidePropertyToBeMappedInTempArtifact.ToPrettyString()));
}
// Now create a new C-side Property in the existing artifact mapped
// to the S-side Property we just found
entityProperty = CreateNewConceptualPropertyAndMapping(
cpc, sp.Name.Target, sSidePropertyToBeMappedInTempArtifact,
csdlEntityTypeInExistingArtifact);
if (null == entityProperty)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindOrCreateMatchingProperty,
sp.ToPrettyString(),
sp.Name.Target.ToPrettyString(),
csdlEntityTypeInExistingArtifact.ToPrettyString()));
}
}
var tableColumn = FindMatchingPropertyInExistingArtifactEntityType(sp.ColumnName.Target, ssdlEntityTypeInExistingArtifact);
if (null == tableColumn)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseAssociationSetMappingCannotFindMatchingProperty,
sp.ToPrettyString(),
sp.ColumnName.Target.ToPrettyString(),
ssdlEntityTypeInExistingArtifact.ToPrettyString()));
}
var createScalar = new CreateEndScalarPropertyCommand(endInExistingArtifact, entityProperty, tableColumn);
CommandProcessor.InvokeSingleCommand(cpc, createScalar);
var existingScalarProp = createScalar.ScalarProperty;
if (null == existingScalarProp)
{
throw new UpdateModelFromDatabaseException(
string.Format(
CultureInfo.CurrentCulture,
Resources.UpdateFromDatabaseCannotCreateAssociationSetMappingScalarProperty,
entityProperty.ToPrettyString(),
tableColumn.ToPrettyString()));
}
}
return endInExistingArtifact;
}
