JD2022-TU1/main/tools/framework/Shuttle/Servers/TargetAppInfo.cs

using System;
using System.ComponentModel;

namespace Shuttle.Servers
{
    public class TargetAppInfo
    {
        public string ConnectionId { get; }

        public string ShuttleId { get; }

        public AdobeApplicationType AppType { get; }

        public int AppMajorVersionNumber { get; }

        public TargetAppInfo(string connectionId, AdobeApplicationType appType, int appMajorVersionNumber, string shuttleId)
        {
            if (!Enum.IsDefined(typeof(AdobeApplicationType), appType))
            {
                throw new InvalidEnumArgumentException(nameof(appType), (int) appType, typeof(AdobeApplicationType));
            }

            ConnectionId = connectionId ?? throw new ArgumentNullException(nameof(connectionId));
            AppType = appType;
            AppMajorVersionNumber = appMajorVersionNumber;
            ShuttleId = shuttleId ?? throw new ArgumentNullException(nameof(shuttleId));
        }

        public override bool Equals(object obj)
        {
            if (ReferenceEquals(this, obj))
            {
                return true;
            }

            var otherAppInfo = obj as TargetAppInfo;
            return otherAppInfo != null &&
                   ConnectionId == otherAppInfo.ConnectionId &&
                   AppType == otherAppInfo.AppType &&
                   AppMajorVersionNumber == otherAppInfo.AppMajorVersionNumber && 
                   ShuttleId == otherAppInfo.ShuttleId;
        }

        public override int GetHashCode()
        {
            var hashCode = -582183502;
            hashCode = hashCode ^ ConnectionId.GetHashCode();
            hashCode = hashCode ^ AppType.GetHashCode();
            hashCode = hashCode ^ AppMajorVersionNumber.GetHashCode();
            hashCode = hashCode ^ ShuttleId.GetHashCode();
            return hashCode;
        }

        public override string ToString()
        {
            return $"{AppType}-{AppMajorVersionNumber}-{ShuttleId}";
        }

        public static TargetAppInfo Empty { get; } = new TargetAppInfo(connectionId: string.Empty, appType: AdobeApplicationType.Unknown, appMajorVersionNumber: 0, shuttleId: "<no target>");

        public static bool IsEmpty(TargetAppInfo targetAppInfo)
        {
            return Empty.Equals(targetAppInfo);
        }

        public static bool operator ==(TargetAppInfo target1, TargetAppInfo target2)
        {
            if (ReferenceEquals(target1, null))
            {
                return ReferenceEquals(target2, null);
            }

            return target1.Equals(target2);
        }

        public static bool operator !=(TargetAppInfo target1, TargetAppInfo target2)
        {
            return !(target1 == target2);
        }
    }
}