encompass-cs/encompass-cs/Attributes/QueryWithout.cs

29 lines
764 B
C#

using Encompass.Exceptions;
using System;
using System.Collections.Generic;
using System.Linq;
namespace Encompass
{
[AttributeUsage(AttributeTargets.Class)]
public class QueryWithout : Attribute
{
public readonly HashSet<Type> queryWithoutTypes = new HashSet<Type>();
public QueryWithout(params Type[] queryWithoutTypes)
{
foreach (var type in queryWithoutTypes)
{
var isComponent = type.GetInterfaces().Contains(typeof(IComponent));
if (!isComponent)
{
throw new IllegalReadTypeException("{0} must be a Component", type.Name);
}
this.queryWithoutTypes.Add(type);
}
}
}
}