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 *     following disclaimer. 
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 *     following disclaimer in the documentation and/or other 
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 * 
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using System;
using System.Collections.Generic;
using System.Text;
using XenAdmin.Network;
using XenAPI;
using XenAdmin.Core;


namespace XenAdmin.Actions
{
    public class DestroyPolicyAction <T> :PureAsyncAction where T: XenObject<T>
    {
        private List<IVMPolicy> _selectedToDelete;
        public DestroyPolicyAction(IXenConnection connection,List<IVMPolicy> deletePolicies) : base(connection, Messages.DELETE_POLICIES)
        {
            _selectedToDelete = deletePolicies;
            Pool = Helpers.GetPool(connection);
        }

        protected override void Run()
        {

            foreach (var policy in _selectedToDelete)
            {
                Description = typeof(T) == typeof(VMPP) ? string.Format(Messages.DELETING_VMPP, policy.Name) : string.Format(Messages.DELETING_VMSS, policy.Name);
                foreach (var vmref in policy.VMs)
                {
                    policy.set_vm_policy(Session, vmref.opaque_ref, null);
                }
                try
                {
                    policy.do_destroy(Session, policy.opaque_ref);
                }
                catch (Exception e)
                {
                    if (!e.Message.StartsWith("Object has been deleted"))
                        throw e;
                }
            }
            Description = typeof(T) == typeof(VMPP) ? Messages.DELETED_VMPP : Messages.DELETED_VMSS;
        }
    }
}