protected void CreateDbContext()
{
DbContext = new AndaroDbContext();
//Do not enable proxies
DbContext.Configuration.ProxyCreationEnabled = false;
//Load navigation properties explicitly
DbContext.Configuration.LazyLoadingEnabled = false;
}
private static void CheckForEntititesWithoutStateInterface(AndaroDbContext context)
{
var entititiesWithoutState = from e in context.ChangeTracker.Entries()
where !(e.Entity is IObjectWithState)
select e;
if (entititiesWithoutState.Any())
{
throw new NotSupportedException("All entities must implement IObjectWithState");
}
}
public static void ApplyChanges <TEntity>(TEntity root) where TEntity : class, IObjectWithState
{
using (var context = new AndaroDbContext())
{
context.Set <TEntity>().Add(root);
CheckForEntititesWithoutStateInterface(context);
foreach (var entry in context.ChangeTracker.Entries <IObjectWithState>())
{
IObjectWithState stateInfo = entry.Entity;
entry.State = StateHelpers.ConvertState(stateInfo.State);
if (stateInfo.State == State.Unchanged)
{
var databaseValues = entry.GetDatabaseValues();
entry.OriginalValues.SetValues(databaseValues);
}
}
}
}