xenadmin/XenModel/XenAPI-Extensions/PVS_cache_storage.cs

/* Copyright (c) Citrix Systems, Inc. 
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 *     following disclaimer. 
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using System.Linq;

namespace XenAPI
{
    public partial class PVS_cache_storage
    {
        public bool IsInUse
        {
            get
            {
                foreach (var pvsProxy in Connection.Cache.PVS_proxies.Where(p => p.currently_attached))
                {
                    var vm = pvsProxy.VM;
                    if (vm != null && vm.resident_on != null && vm.resident_on.opaque_ref == host.opaque_ref &&
                        pvsProxy.site != null && pvsProxy.site.opaque_ref == site.opaque_ref)
                        return true;
                }
                return false;
            }
        }
    }
}