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 *     following disclaimer. 
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using XenAPI;


namespace XenAdmin.Wizards.PatchingWizard.PlanActions
{
    public class EvacuateHostPlanAction : PlanActionWithSession
    {
        private readonly XenRef<Host> _host;
        private readonly Host currentHost;

        public EvacuateHostPlanAction(Host host)
            : base(host.Connection, string.Format(Messages.PLANACTION_VMS_MIGRATING, host.Name))
        {
            base.TitlePlan = string.Format(Messages.MIGRATE_VMS_OFF_SERVER, host.Name);
            this._host = new XenRef<Host>(host);
            currentHost = host;
        }

        protected override Host CurrentHost
        {
            get { return currentHost; }
        }

        protected override void RunWithSession(ref Session session)
        {
            Host hostObject = TryResolveWithTimeout(_host);

            PBD.CheckAndPlugPBDsFor(Connection.ResolveAll(hostObject.resident_VMs));

            log.DebugFormat("Disabling host {0}", hostObject.Name);
            Host.disable(session, _host.opaque_ref);

            Status = Messages.PLAN_ACTION_STATUS_MIGRATING_VMS_FROM_HOST;
            log.DebugFormat("Migrating VMs from host {0}", hostObject.Name);
            XenRef<Task> task = Host.async_evacuate(session, _host.opaque_ref);

            PollTaskForResultAndDestroy(Connection, ref session, task);
        }
    }
}
