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//-----------------------------------------------------------------------
// <copyright file="NonceMemoryStore.cs" company="Andrew Arnott">
//     Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------

namespace DotNetOAuth.Messaging.Bindings {
	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using DotNetOAuth.Messaging.Bindings;

	/// <summary>
	/// An in-memory nonce store.  Useful for single-server web applications.
	/// NOT for web farms.
	/// </summary>
	internal class NonceMemoryStore : INonceStore {
		#region INonceStore Members

		/// <summary>
		/// Stores a given nonce and timestamp.
		/// </summary>
		/// <param name="nonce">
		/// A series of random characters.
		/// </param>
		/// <param name="timestamp">
		/// The timestamp that together with the nonce string make it unique.
		/// The timestamp may also be used by the data store to clear out old nonces.
		/// </param>
		/// <returns>
		/// True if the nonce+timestamp (combination) was not previously in the database.
		/// False if the nonce was stored previously with the same timestamp.
		/// </returns>
		/// <remarks>
		/// The nonce must be stored for no less than the maximum time window a message may
		/// be processed within before being discarded as an expired message.
		/// If the binding element is applicable to your channel, this expiration window
		/// is retrieved or set using the 
		/// <see cref="StandardExpirationBindingElement.MaximumMessageAge"/> property.
		/// </remarks>
		public bool StoreNonce(string nonce, DateTime timestamp) {
			throw new NotImplementedException();
		}

		#endregion
	}
}