ConversionKey - A POCO to store conversion criteria and data

ConversionKey.cs

using System;
using System.Collections.Generic;

namespace PB.Objects.B2B.Slot {

    public class ConversionKey : IEquatable<ConversionKey> {

        public ConversionKey(string organizationID, int? bAccountID, string messageType, string convertFrom) {
            OrganizationID = organizationID;
            BAccountID = bAccountID;
            MessageType = messageType;
            ConvertFrom = convertFrom;
        }

        public string OrganizationID { get; private set; }
        public int? BAccountID { get; private set; }
        public string MessageType { get; private set; }
        public string ConvertFrom { get; private set; }

        public bool Equals(ConversionKey other) {
            return
                this.OrganizationID == other.OrganizationID &&
                this.BAccountID == other.BAccountID &&
                this.MessageType == other.MessageType &&
                this.ConvertFrom == other.ConvertFrom;
        }

        public override int GetHashCode() {
            var hashCode = 219003723;
            hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(OrganizationID);
            hashCode = hashCode * -1521134295 + EqualityComparer<int?>.Default.GetHashCode(BAccountID);
            hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(MessageType);
            hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(ConvertFrom);
            return hashCode;
        }
    }
}