public virtual Navigation AddNavigation([NotNull] Navigation navigation)
{
Check.NotNull(navigation, "navigation");
if (navigation.EntityType != null &&
navigation.EntityType != this)
{
throw new InvalidOperationException(Strings.FormatNavigationAlreadyOwned(navigation.Name, Name, navigation.EntityType.Name));
}
if (_navigations.Value.Any(n => n.Name == navigation.Name))
{
throw new InvalidOperationException(Strings.FormatDuplicateNavigation(navigation.Name, Name));
}
if (!HasClrType)
{
throw new InvalidOperationException(Strings.FormatNavigationOnShadowEntity(navigation.Name, Name));
}
var clrProperty = Type.GetPropertiesInHierarchy(navigation.Name).FirstOrDefault();
if (clrProperty == null)
{
throw new InvalidOperationException(Strings.FormatNoClrNavigation(navigation.Name, Name));
}
var targetClrType = navigation.GetTargetType().Type;
if (navigation.IsCollection())
{
var elementType = clrProperty.PropertyType.TryGetElementType(typeof(IEnumerable <>));
if (elementType == null || !elementType.GetTypeInfo().IsAssignableFrom(targetClrType.GetTypeInfo()))
{
throw new InvalidOperationException(Strings.FormatWrongClrCollectionNavigationType(
navigation.Name, Name, clrProperty.PropertyType.FullName, targetClrType.FullName));
}
}
else if (!clrProperty.PropertyType.GetTypeInfo().IsAssignableFrom(targetClrType.GetTypeInfo()))
{
throw new InvalidOperationException(Strings.FormatWrongClrSingleNavigationType(
navigation.Name, Name, clrProperty.PropertyType.FullName, targetClrType.FullName));
}
var otherNavigation = _navigations.Value.FirstOrDefault(n => n.ForeignKey == navigation.ForeignKey &&
navigation.PointsToPrincipal == n.PointsToPrincipal);
if (otherNavigation != null)
{
throw new InvalidOperationException(Strings.FormatMultipleNavigations(navigation.Name, otherNavigation.Name, Name));
}
_navigations.Value.Add(navigation);
navigation.EntityType = this;
return(navigation);
}
public virtual Navigation AddNavigation([NotNull] string name, [NotNull] ForeignKey foreignKey, bool pointsToPrincipal)
{
Check.NotEmpty(name, "name");
Check.NotNull(foreignKey, "foreignKey");
var navigation = new Navigation(name, foreignKey, pointsToPrincipal);
if (navigation.EntityType != null &&
navigation.EntityType != this)
{
throw new InvalidOperationException(Strings.NavigationAlreadyOwned(navigation.Name, Name, navigation.EntityType.Name));
}
if (TryGetNavigation(name) != null)
{
throw new InvalidOperationException(Strings.DuplicateNavigation(navigation.Name, Name));
}
if (!HasClrType)
{
throw new InvalidOperationException(Strings.NavigationOnShadowEntity(navigation.Name, Name));
}
var clrProperty = Type.GetPropertiesInHierarchy(navigation.Name).FirstOrDefault();
if (clrProperty == null)
{
throw new InvalidOperationException(Strings.NoClrNavigation(navigation.Name, Name));
}
var targetType = navigation.GetTargetType();
if (!targetType.HasClrType)
{
throw new InvalidOperationException(Strings.NavigationToShadowEntity(navigation.Name, Name, targetType.Name));
}
var targetClrType = targetType.Type;
Debug.Assert(targetClrType != null, "targetClrType != null");
if (navigation.IsCollection())
{
var elementType = clrProperty.PropertyType.TryGetElementType(typeof(IEnumerable <>));
if (elementType == null ||
!elementType.GetTypeInfo().IsAssignableFrom(targetClrType.GetTypeInfo()))
{
throw new InvalidOperationException(Strings.NavigationCollectionWrongClrType(
navigation.Name, Name, clrProperty.PropertyType.FullName, targetClrType.FullName));
}
}
else if (!clrProperty.PropertyType.GetTypeInfo().IsAssignableFrom(targetClrType.GetTypeInfo()))
{
throw new InvalidOperationException(Strings.NavigationSingleWrongClrType(
navigation.Name, Name, clrProperty.PropertyType.FullName, targetClrType.FullName));
}
var otherNavigation = _navigations.Value.FirstOrDefault(n => n.ForeignKey == navigation.ForeignKey &&
navigation.PointsToPrincipal == n.PointsToPrincipal);
if (otherNavigation != null)
{
throw new InvalidOperationException(Strings.MultipleNavigations(navigation.Name, otherNavigation.Name, Name));
}
_navigations.Value.Add(navigation);
return(navigation);
}
public virtual Navigation AddNavigation([NotNull] string name, [NotNull] ForeignKey foreignKey, bool pointsToPrincipal)
{
Check.NotEmpty(name, nameof(name));
Check.NotNull(foreignKey, nameof(foreignKey));
if (FindNavigationCollisions(new[] { name }).Any())
{
throw new InvalidOperationException(Strings.DuplicateNavigation(name, Name));
}
var otherNavigation = Navigations.FirstOrDefault(
n => n.ForeignKey == foreignKey &&
n.PointsToPrincipal() == pointsToPrincipal);
if (otherNavigation != null)
{
throw new InvalidOperationException(Strings.MultipleNavigations(name, otherNavigation.Name, Name));
}
var declaringTypeFromFk = pointsToPrincipal
? foreignKey.DeclaringEntityType
: foreignKey.PrincipalEntityType;
if (declaringTypeFromFk != this)
{
throw new InvalidOperationException(Strings.NavigationOnWrongEntityType(name, Name, declaringTypeFromFk.Name));
}
var navigation = new Navigation(name, foreignKey);
_navigations.Add(name, navigation);
if (pointsToPrincipal)
{
foreignKey.DependentToPrincipal = navigation;
}
else
{
foreignKey.PrincipalToDependent = navigation;
}
if (!HasClrType)
{
throw new InvalidOperationException(Strings.NavigationOnShadowEntity(navigation.Name, Name));
}
var clrProperty = ClrType.GetPropertiesInHierarchy(navigation.Name).FirstOrDefault();
if (clrProperty == null)
{
throw new InvalidOperationException(Strings.NoClrNavigation(navigation.Name, Name));
}
var targetType = navigation.GetTargetType();
if (!targetType.HasClrType)
{
throw new InvalidOperationException(Strings.NavigationToShadowEntity(navigation.Name, Name, targetType.Name));
}
var targetClrType = targetType.ClrType;
Debug.Assert(targetClrType != null, "targetClrType != null");
if (navigation.IsCollection())
{
var elementType = clrProperty.PropertyType.TryGetSequenceType();
if (elementType == null ||
!elementType.GetTypeInfo().IsAssignableFrom(targetClrType.GetTypeInfo()))
{
throw new InvalidOperationException(Strings.NavigationCollectionWrongClrType(
navigation.Name, Name, clrProperty.PropertyType.FullName, targetClrType.FullName));
}
}
else if (!clrProperty.PropertyType.GetTypeInfo().IsAssignableFrom(targetClrType.GetTypeInfo()))
{
throw new InvalidOperationException(Strings.NavigationSingleWrongClrType(
navigation.Name, Name, clrProperty.PropertyType.FullName, targetClrType.FullName));
}
return(navigation);
}