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 *     following disclaimer. 
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 *     copyright notice, this list of conditions and the 
 *     following disclaimer in the documentation and/or other 
 *     materials provided with the distribution. 
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using System.Collections.Generic;
using XenAPI;

namespace XenAdmin.Dialogs.LicenseManagerSelectionVerifiers
{
    public abstract class LicenseSelectionVerifier
    {
        protected List<LicenseDataGridViewRow> RowsToVerify { get; set; }

        protected LicenseSelectionVerifier(List<LicenseDataGridViewRow> hostsToVerify)
        {
            Status = VerificationStatus.Unchecked;
            RowsToVerify = hostsToVerify;
        }

        protected List<Host> AllHostsRepresentedByRows()
        {
            List<Host> hosts = new List<Host>();
            foreach (LicenseDataGridViewRow row in RowsToVerify)
            {
                hosts.AddRange(row.RepresentedHosts);
            }
            return hosts;
        }

        public enum VerificationStatus
        {
            OK,
            Error,
            Unchecked
        }

        public VerificationStatus Status { get; protected set; }

        public abstract void Verify();
        public abstract string VerificationDetails();

    }
}