/// <summary>
/// Example for traversing a model
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TraverseButton_Click(object sender, EventArgs e)
{
const int indent = 20;
ReadOnlyMetadataCollection <NavigationProperty> metadata = EntityFrameworkHelper.GetNavigationProperties <Order, NorthContext>();
var nameParts = metadata.FirstOrDefault().DeclaringType.FullName.Split('.');
Debug.WriteLine($"namespace: {nameParts[0]}");
Debug.WriteLine($" class: {nameParts[1]}");
Debug.WriteLine("");
Debug.WriteLine("navigation model names");
var navigationPropertyNames = metadata.Select(np => np.Name).ToList();
foreach (var name in navigationPropertyNames)
{
Debug.WriteLine($"{name,indent}");
}
Debug.WriteLine("");
Debug.WriteLine("RelationshipType names");
var relationNames = metadata.Select(np => np.RelationshipType.Name).ToList();
foreach (var relationName in relationNames)
{
Debug.WriteLine($"{relationName,indent}");
}
MessageBox.Show("See output window");
}
internal override void Configure(
AssociationType associationType,
AssociationEndMember dependentEnd,
EntityTypeConfiguration entityTypeConfiguration)
{
// ISSUE: object of a compiler-generated type is created
// ISSUE: variable of a compiler-generated type
ForeignKeyConstraintConfiguration.\u003C\u003Ec__DisplayClasse cDisplayClasse1 = new ForeignKeyConstraintConfiguration.\u003C\u003Ec__DisplayClasse();
// ISSUE: reference to a compiler-generated field
cDisplayClasse1.entityTypeConfiguration = entityTypeConfiguration;
if (!this._dependentProperties.Any <PropertyInfo>())
{
return;
}
IEnumerable <PropertyInfo> propertyInfos = this._dependentProperties.AsEnumerable <PropertyInfo>();
if (!this.IsFullySpecified)
{
// ISSUE: reference to a compiler-generated field
if (EntityTypeExtensions.GetClrType(dependentEnd.GetEntityType()) != cDisplayClasse1.entityTypeConfiguration.ClrType)
{
return;
}
// ISSUE: reference to a compiler-generated method
IEnumerable <\u003C\u003Ef__AnonymousType41 <PropertyInfo, int?> > source = this._dependentProperties.Select(new Func <PropertyInfo, \u003C\u003Ef__AnonymousType41 <PropertyInfo, int?> >(cDisplayClasse1.\u003CConfigure\u003Eb__0));
if (this._dependentProperties.Count > 1 && source.Any(p => !p.ColumnOrder.HasValue))
{
ReadOnlyMetadataCollection <EdmProperty> dependentKeys = dependentEnd.GetEntityType().KeyProperties;
if (dependentKeys.Count != this._dependentProperties.Count || !source.All(fk =>
{
// ISSUE: variable of a compiler-generated type
ForeignKeyConstraintConfiguration.\u003C\u003Ec__DisplayClasse cDisplayClasse = cDisplayClasse1;
var fk1 = fk;
return(dependentKeys.Any <EdmProperty>((Func <EdmProperty, bool>)(p => p.GetClrPropertyInfo().IsSameAs(fk1.PropertyInfo))));
}))
{
// ISSUE: reference to a compiler-generated field
throw Error.ForeignKeyAttributeConvention_OrderRequired((object)cDisplayClasse1.entityTypeConfiguration.ClrType);
}
propertyInfos = dependentKeys.Select <EdmProperty, PropertyInfo>((Func <EdmProperty, PropertyInfo>)(p => p.GetClrPropertyInfo()));
}
else
{
propertyInfos = source.OrderBy(p => p.ColumnOrder).Select(p => p.PropertyInfo);
}
}
List <EdmProperty> edmPropertyList = new List <EdmProperty>();
foreach (PropertyInfo propertyInfo in propertyInfos)
{
EdmProperty primitiveProperty = dependentEnd.GetEntityType().GetDeclaredPrimitiveProperty(propertyInfo);
if (primitiveProperty == null)
{
throw Error.ForeignKeyPropertyNotFound((object)propertyInfo.Name, (object)dependentEnd.GetEntityType().Name);
}
edmPropertyList.Add(primitiveProperty);
}
AssociationEndMember otherEnd = associationType.GetOtherEnd(dependentEnd);
ReferentialConstraint referentialConstraint = new ReferentialConstraint((RelationshipEndMember)otherEnd, (RelationshipEndMember)dependentEnd, (IEnumerable <EdmProperty>)otherEnd.GetEntityType().KeyProperties, (IEnumerable <EdmProperty>)edmPropertyList);
if (otherEnd.IsRequired())
{
referentialConstraint.ToProperties.Each <EdmProperty, bool>((Func <EdmProperty, bool>)(p => p.Nullable = false));
}
associationType.Constraint = referentialConstraint;
}