internal static XElement ConstructEntityContainerMapping(EdmItemCollection edm, string csdlNamespace)
{
var entityContainerMappingElement = new XElement(
_msl + "EntityContainerMapping",
new XAttribute("StorageEntityContainer", OutputGeneratorHelpers.ConstructStorageEntityContainerName(csdlNamespace)),
new XAttribute("CdmEntityContainer", edm.GetEntityContainerName()));
return(entityContainerMappingElement);
}
internal static XElement ConstructEntityContainer(
EdmItemCollection edm, string databaseSchemaName, string csdlNamespace, string ssdlNamespace)
{
var entityContainerElement =
new XElement(
_ssdl + "EntityContainer",
new XAttribute("Name", OutputGeneratorHelpers.ConstructStorageEntityContainerName(csdlNamespace)));
#region Constructing EntitySets
// In TPT, we need to create the SSDL EntitySets from the EntityTypes; we create another table for the derived type.
foreach (var entityType in edm.GetAllEntityTypes())
{
var entitySetElement = ConstructEntitySet(
ssdlNamespace, OutputGeneratorHelpers.GetStorageEntityTypeName(entityType, edm),
OutputGeneratorHelpers.GetStorageEntityTypeName(entityType, edm), "Tables", databaseSchemaName);
// we would also tack on DefiningQueries here if we wanted
entityContainerElement.Add(entitySetElement);
}
// Find all *:* Associations and create EntitySets in the SSDL
foreach (var associationSet in edm.GetAllAssociationSets().Where(set => set.GetAssociation().IsManyToMany()))
{
var entitySetElement = ConstructEntitySet(
ssdlNamespace, associationSet.Name, associationSet.ElementType.Name, "Tables", databaseSchemaName);
entityContainerElement.Add(entitySetElement);
}
#endregion
#region Constructing AssociationSets
foreach (var associationSet in edm.GetAllAssociationSets())
{
var assoc = associationSet.GetAssociation();
if (assoc.GetEnd1() != null &&
assoc.GetEnd2() != null)
{
// *:* C-Space associations: we will have two S-space associations bound to the pair table corresponding to each end
if (assoc.IsManyToMany())
{
// create an association from the first end to the pair table
var associationSet1Element = ConstructAssociationSet(
ssdlNamespace,
OutputGeneratorHelpers.GetStorageAssociationSetNameFromManyToMany(associationSet, assoc.GetEnd1()),
OutputGeneratorHelpers.GetStorageAssociationNameFromManyToMany(assoc.GetEnd1()),
assoc.GetEnd1().Name,
OutputGeneratorHelpers.GetStorageEntityTypeName(assoc.GetEnd1().GetEntityType(), edm),
assoc.Name,
associationSet.Name);
// create an association from the second end to the pair table
var associationSet2Element = ConstructAssociationSet(
ssdlNamespace,
OutputGeneratorHelpers.GetStorageAssociationSetNameFromManyToMany(associationSet, assoc.GetEnd2()),
OutputGeneratorHelpers.GetStorageAssociationNameFromManyToMany(assoc.GetEnd2()),
assoc.GetEnd2().Name,
OutputGeneratorHelpers.GetStorageEntityTypeName(assoc.GetEnd2().GetEntityType(), edm),
assoc.Name,
associationSet.Name);
entityContainerElement.Add(associationSet1Element);
entityContainerElement.Add(associationSet2Element);
}
// All other associations: we essentially mirror the C-space associations
else
{
var associationSetElement = ConstructAssociationSet(
ssdlNamespace,
associationSet.Name,
assoc.Name,
assoc.GetEnd1().Name,
OutputGeneratorHelpers.GetStorageEntityTypeName(assoc.GetEnd1().GetEntityType(), edm),
assoc.GetEnd2().Name,
OutputGeneratorHelpers.GetStorageEntityTypeName(assoc.GetEnd2().GetEntityType(), edm));
entityContainerElement.Add(associationSetElement);
}
}
}
// Now we will construct AssociationSets with PK:PK associations based off of inheritance
foreach (var derivedType in edm.GetAllEntityTypes().Where(et => et.BaseType != null))
{
entityContainerElement.Add(
ConstructAssociationSet(
ssdlNamespace,
String.Format(
CultureInfo.CurrentCulture, Resources.CodeViewFKConstraintDerivedType, derivedType.Name,
derivedType.BaseType.Name),
String.Format(
CultureInfo.CurrentCulture, Resources.CodeViewFKConstraintDerivedType, derivedType.Name,
derivedType.BaseType.Name),
derivedType.BaseType.Name,
OutputGeneratorHelpers.GetStorageEntityTypeName(derivedType.BaseType as EntityType, edm),
derivedType.Name,
OutputGeneratorHelpers.GetStorageEntityTypeName(derivedType, edm)));
}
#endregion
var csdlEntityContainer = edm.GetItems <EntityContainer>().FirstOrDefault();
Debug.Assert(csdlEntityContainer != null, "Could not find the CSDL EntityContainer to migrate extended properties");
if (csdlEntityContainer != null)
{
OutputGeneratorHelpers.CopyExtendedPropertiesToSsdlElement(csdlEntityContainer, entityContainerElement);
}
return(entityContainerElement);
}
