ArchivingTimeAttribute.cs

using System;
 
namespace Waher.Persistence.Attributes
{
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = false, Inherited = true)]
    public class ArchivingTimeAttribute : Attribute
    {
        private readonly int days;
        private readonly string propertyName;
 
        public ArchivingTimeAttribute()
            : this(int.MaxValue)
        {
        }
 
        public ArchivingTimeAttribute(int Days)
        {
            this.days = Days;
            this.propertyName = null;
        }
 
        public ArchivingTimeAttribute(string PropertyName)
        {
            this.days = int.MaxValue;
            this.propertyName = PropertyName;
        }
 
        public int Days => this.days;
 
        public string PropertyName => this.propertyName;
    }
}