internal EntityExpression WithExpandEntity(ExpandEntity expandEntity)
{
switch (expandEntity)
{
case ExpandEntity.EagerEntity:
return(new EntityExpression(this.Type, this.ExternalId, this.TableAlias, this.Bindings, this.Mixins, avoidExpandOnRetrieving: false));
case ExpandEntity.LazyEntity:
return(new EntityExpression(this.Type, this.ExternalId, this.TableAlias, this.Bindings, this.Mixins, avoidExpandOnRetrieving: true));
default:
throw new NotImplementedException();
}
}
public static IQueryable <T> ExpandEntity <T, L>(this IQueryable <T> source, Expression <Func <T, L> > entitySelector, ExpandEntity expandEntity)
where L : class, IEntity
{
if (source == null)
{
throw new ArgumentNullException("query");
}
return(source.Provider.CreateQuery <T>(Expression.Call(null, ((MethodInfo)MethodBase.GetCurrentMethod()).MakeGenericMethod(new Type[] { typeof(T), typeof(L) }), new Expression[] { source.Expression, Expression.Quote(entitySelector), Expression.Constant(expandEntity) })));
}
