/// <summary>
/// Creates a boxed helper containing a delegate that will check any of the properties that implement IChangeTracking if they have changed
/// and a delegate that will accept changes for those properties.
/// </summary>
/// <param name="item">The item.</param>
/// <returns></returns>
public static ChangeTrackingHelper <object> CreateBoxedHelper(object item)
{
var type = item.GetType();
var cache = BoxedCache;
ChangeTrackingHelper <object> helper;
if (cache.TryGetValue(type, out helper))
{
return(helper);
}
var properties = GetRelevantProperties(type);
var hasChanges = BoxedHasChangesFor(type, properties);
var acceptChanges = BoxedAcceptChangesFor(type, properties);
var changeTrackingHelper = new ChangeTrackingHelper <object>(hasChanges, acceptChanges);
cache.Add(type, changeTrackingHelper);
return(changeTrackingHelper);
}
/// <summary>
/// Creates a helper containing a typed delegate that will check any of the properties that implement IChangeTracking if they have changed
/// and a delegate that will accept changes for those properties.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="item">The item.</param>
/// <returns></returns>
public static ChangeTrackingHelper <T> CreateHelper <T>(T item)
{
var type = item.GetType();
var cache = Cache;
object helper;
if (cache.TryGetValue(type, out helper))
{
return((ChangeTrackingHelper <T>)helper);
}
var properties = GetRelevantProperties(type);
var hasChanges = HasChangesFor <T>(type, properties);
var acceptChanges = AcceptChangesFor <T>(type, properties);
var changeTrackingHelper = new ChangeTrackingHelper <T>(hasChanges, acceptChanges);
cache.Add(type, changeTrackingHelper);
return(changeTrackingHelper);
}