using System;
using System.Collections.Generic;
using System.Text;

namespace ln.objects.index
{
    public abstract class Index
    {

        public Index()
        {
        }

        public abstract void Reindex(Guid uid, object value);
        public abstract void Remove(Guid uid);

        public abstract void Match(Func<object, bool> criterion, ISet<Guid> matches);

        public abstract void Clear();                                               // Reset this Index as it was newly created

        public abstract bool TrySerializeIndex(out byte[] serializedIndex);         // Serialize current state of index to <serializedIndex>
        public abstract bool TryDeserializeIndex(byte[] serializedIndex);           // Deserialize current state from <serializedIndex>

    }
}