/*
* /// <summary>
* /// Shortcut for getting an EdgeObject reference from fields during runtime.
* /// </summary>
* public static T GetEdgeObject<T>(this MappingContext<T> context, string fieldGK, string fieldTypeID, string fieldClrType)
* where T : EdgeObject
* {
* if (context.GetField<object>(fieldGK) == null)
* return null;
*
* T obj = context.Cache.GetOrCreate(
* Type.GetType(context.GetField<string>(fieldClrType)),
* EdgeObject.Identites.Default,
* EdgeObject.Identites.Default.NewIdentity(context.GetField<long>(fieldGK))
* );
*
* if (obj.EdgeType == null)
* obj.EdgeType = context.Cache.GetOrCreate<EdgeType>(
* EdgeType.Identities.Default,
* EdgeType.Identities.Default.NewIdentity(context.GetField(fieldTypeID))
* );
*
* return obj;
* }
*/
/*
* public static Mapping<T> MapEdgeField<T, V>(this Mapping<T> mapping, EntityProperty<T, V> property)
* where T : EdgeObject
* {
* return mapping
* .Map<V>(property, prop => prop
* .Set(context =>
* {
* EdgeField field = context.Cache.Get<EdgeField>(EdgeField.Identities.Default, property.Name);
* return context.GetField<V>(String.Format("{0}_Field{1}", field.ColumnPrefix, field.ColumnIndex));
* })
* );
* }
*/
/// <summary>
/// Shortcut for ensuring ID is not -1.
/// </summary>
public static void NullIf <V>(this MappingContext context, string idField, Func <V, bool> condition)
{
if (condition(context.GetField <V>(idField)))
{
context.Target = null;
context.Break();
}
}