singrdk/base/Kernel/Singularity.Security/AccessMode.sg

// ----------------------------------------------------------------------------
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ----------------------------------------------------------------------------

namespace Microsoft.Singularity.Security
{
    using System;

    /// <summary>
    /// Represents an access mode (permission)
    /// </summary>
    public class AccessMode
    {
        private static uint next = 0;
        private static object sync = new object();
        private string! mode;
        private uint num;

        public AccessMode(string! mode)
        {
            this.mode = mode;
            lock (sync)
                this.num = next++;
        }

        public string! Val { get { return mode; } }
        public uint Num { get { return num; } }

        public override int GetHashCode()
        {
            return mode.GetHashCode();
        }

        public override bool Equals(object o)
        {
            AccessMode other = o as AccessMode;
            if (other != null) {
                return this.mode.Equals(other.mode);
            }
            return false;
        }
    }
}