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using XenAdmin.Actions;
using XenAPI;


namespace XenAdmin.Wizards.PatchingWizard.PlanActions
{
    public class ApplyPoolUpdatePlanAction : HostPlanAction
    {
        private readonly Pool_update _poolUpdate;
        private readonly bool _hostNeedsEvacuated;

        public ApplyPoolUpdatePlanAction(Host host, Pool_update patch, bool hostNeedsEvacuated)
            : base(host)
        {
            _poolUpdate = patch;
            _hostNeedsEvacuated = hostNeedsEvacuated;
        }

        protected override void RunWithSession(ref Session session)
        {
            var host = GetResolvedHost();

            // evacuate the host, if needed,  before applying the update
            if (_hostNeedsEvacuated)
                EvacuateHost(ref session);

            AddProgressStep(string.Format(Messages.UPDATES_WIZARD_APPLYING_UPDATE, _poolUpdate.Name(), host.Name()));
            new ApplyUpdateAction(_poolUpdate, host, true).RunExternal(session);
        }
    }
}