public Func <T, bool> GetInMemoryFilter <T>(bool userInterface)
where T : Entity
{
using (userInterface ? ExecutionMode.UserInterface() : null)
{
EntityEvents <T>?ee = (EntityEvents <T>?)entityEvents.TryGetC(typeof(T));
if (ee == null)
{
return(a => true);
}
Func <T, bool>?result = null;
foreach (var item in ee.OnFilterQuery().NotNull())
{
if (item.InMemoryFunction == null)
{
throw new InvalidOperationException("FilterQueryResult with InDatabaseExpresson '{0}' has no equivalent InMemoryFunction"
.FormatWith(item.InDatabaseExpresson.ToString()));
}
result = CombineFunc(result, item.InMemoryFunction);
}
if (result == null)
{
return(a => true);
}
return(result);
}
}
internal FilterQueryResult <T>?OnFilterQuery <T>()
where T : Entity
{
AssertAllowed(typeof(T), inUserInterface: false);
EntityEvents <T>?ee = (EntityEvents <T>?)entityEvents.TryGetC(typeof(T));
if (ee == null)
{
return(null);
}
FilterQueryResult <T>?result = null;
foreach (var item in ee.OnFilterQuery())
{
result = CombineFilterResult(result, item);
}
return(result);
}
public Expression <Func <T, bool> >?GetInDatabaseFilter <T>()
where T : Entity
{
EntityEvents <T>?ee = (EntityEvents <T>?)entityEvents.TryGetC(typeof(T));
if (ee == null)
{
return(null);
}
Expression <Func <T, bool> >?result = null;
foreach (var item in ee.OnFilterQuery().NotNull())
{
result = CombineExpr(result, item.InDatabaseExpresson);
}
if (result == null)
{
return(null);
}
return(result);
}