protected override void UpdateEdmx(TEdmx edmx)
{
var scalarProperties = from esm in edmx.Runtime.Mappings.Mapping.EntityContainerMapping.EntitySetMapping
from etm in esm.EntityTypeMapping
from f in etm.MappingFragment
from sp in f.ScalarProperty
select new { ScalarProperty = sp, etm.TypeName };
var mapQuery = from sp in scalarProperties
let item = new { sp.TypeName, sp.ScalarProperty.Name, sp.ScalarProperty.ColumnName }
group item by sp.TypeName into g
select g;
//build map of new entity property names
var map = mapQuery.ToDictionary(g => g.Key, g => g.Distinct().ToDictionary(sp => sp.Name, sp => UpdateName(sp.ColumnName)));
//update map property names:
foreach (var sp in scalarProperties)
{
sp.ScalarProperty.Name = map[sp.TypeName][sp.ScalarProperty.Name];
}
//conceptual entities
foreach (var entity in edmx.Runtime.ConceptualModels.Schema.EntityType)
{
var typeName = String.Format("{0}.{1}", edmx.Runtime.ConceptualModels.Schema.Namespace, entity.Name);
var typeMap = map[typeName];
//keys
foreach (var keyRef in entity.Key.PropertyRef)
{
keyRef.Name = typeMap[keyRef.Name];
}
//conceptual properties
foreach (var property in entity.Property)
{
property.Name = typeMap[property.Name];
}
}
var principalPropertyQuery = from association in edmx.Runtime.ConceptualModels.Schema.Association
let end = association.End.Where(e => e.Role == association.ReferentialConstraint.Principal.Role).Single()
from property in association.ReferentialConstraint.Principal.PropertyRef
select new { TypeName = end.Type, Property = property };
var dependentPropertyQuery = from association in edmx.Runtime.ConceptualModels.Schema.Association
let end = association.End.Where(e => e.Role == association.ReferentialConstraint.Dependent.Role).Single()
from property in association.ReferentialConstraint.Dependent.PropertyRef
select new { TypeName = end.Type, Property = property };
foreach (var property in principalPropertyQuery.Union(dependentPropertyQuery))
{
property.Property.Name = map[property.TypeName][property.Property.Name];
}
}
/// <summary>
/// Builds an empty <see cref="Edmx"/> instance in which to load metadata content.
/// </summary>
/// <returns></returns>
private static Edmx BuildEmptyEdmx()
{
var runtime = new Runtime {
ConceptualModels = new ConceptualModels(),
StorageModels = new StorageModels(),
Mappings = new Mappings()
};
var tedmx = new TEdmx {
Runtimes = new List <Runtime> {
runtime
}
};
return(new Edmx(tedmx));
}
protected abstract void UpdateEdmx(TEdmx edmx);
private void SetInnerType(TEdmx contentField)
{
Content = ((TEdmx)(XTypedServices.GetCloneIfRooted(contentField)));
XTypedServices.SetName(this, Content);
}
/// <summary>
/// Initializes a new instance of the <see cref="Edmx"/> class.
/// </summary>
/// <param name="content">The content.</param>
public Edmx(TEdmx content)
{
SetInnerType(content);
}
