public static ManyToManyJoinDescription GetManyToManyJoinDescription(this IEdmModel edmModel, IEdmNavigationProperty navigationProperty)
{
ManyToManyJoinDescription joinDescription = edmModel.GetAnnotationValue <ManyToManyJoinDescription>(navigationProperty);
if (joinDescription != null)
{
return(joinDescription);
}
throw new InvalidOperationException("Add many-to-many annotation for navigation property " + navigationProperty.Name);
}
public override IEnumerable <(String, String)> GetManyToManyProperties(String tableName)
{
IEdmEntityType edmEntityType = OeEdmClrHelper.GetEntitySet(_edmModel, tableName).EntityType();
foreach (IEdmNavigationProperty navigationProperty in edmEntityType.NavigationProperties())
{
if (navigationProperty.ContainsTarget)
{
ManyToManyJoinDescription joinDescription = _edmModel.GetManyToManyJoinDescription(navigationProperty);
IEdmEntitySet targetEntitySet = OeEdmClrHelper.GetEntitySet(_edmModel, joinDescription.TargetNavigationProperty);
yield return(navigationProperty.Name, targetEntitySet.Name);
}
}
}
internal static void SetManyToManyJoinDescription(this IEdmModel edmModel, IEdmNavigationProperty navigationProperty, ManyToManyJoinDescription joinDescription)
{
edmModel.SetAnnotationValue(navigationProperty, joinDescription);
}
