CacheItemEventArgs.cs

using System;
using System.Threading.Tasks;
 
namespace Waher.Runtime.Cache
{
    public enum RemovedReason
    {
        Replaced,
 
        NotUsed,
 
        Old,
 
        Space,
 
        Manual
    }
 
    public delegate Task CacheItemEventHandler<KeyType, ValueType>(object Sender, CacheItemEventArgs<KeyType, ValueType> e);
 
    public class CacheItemEventArgs<KeyType, ValueType> : EventArgs
    {
        private readonly KeyType key;
        private readonly ValueType value;
        private readonly RemovedReason reason;
 
        internal CacheItemEventArgs(KeyType Key, ValueType Value, RemovedReason Reason)
        {
            this.key = Key;
            this.value = Value;
            this.reason = Reason;
        }
 
        public KeyType Key => this.key;
 
        public ValueType Value => this.value;
 
        public RemovedReason Reason => this.reason;
    }
}