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

namespace OpenSim.Framework
{
    public class RegistryCore : IRegistryCore
    {
        protected Dictionary<Type, object> m_moduleInterfaces = new Dictionary<Type, object>();

        /// <summary>
        /// Register an Module interface.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="iface"></param>
        public void RegisterInterface<T>(T iface)
        {
            lock (m_moduleInterfaces)
            {
                if (!m_moduleInterfaces.ContainsKey(typeof(T)))
                {
                    m_moduleInterfaces.Add(typeof(T), iface);
                }
            }
        }

        public bool TryGet<T>(out T iface)
        {
            if (m_moduleInterfaces.ContainsKey(typeof(T)))
            {
                iface = (T)m_moduleInterfaces[typeof(T)];
                return true;
            }
            iface = default(T);
            return false;
        }

        public T Get<T>()
        {
            return (T)m_moduleInterfaces[typeof(T)];
        }

        public void StackModuleInterface<M>(M mod)
        {

        }

        public T[] RequestModuleInterfaces<T>()
        {
            return new T[] { default(T) };
        }

    }
}