xenadmin/XenAdmin/Wizards/UpdateUpgradeWizard.cs
Konstantina Chremmou 54e341c315 Added some null safety checks.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2018-07-02 17:37:52 +01:00

59 lines
2.3 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using XenAdmin.Actions;
using XenAdmin.Diagnostics.Problems;
namespace XenAdmin.Wizards
{
public class UpdateUpgradeWizard : XenWizardBase
{
protected List<AsyncAction> GetUnwindChangesActions(List<Problem> problems)
{
if (problems == null)
return new List<AsyncAction>();
var actions = from problem in problems
where problem.SolutionActionCompleted
let action = problem.CreateUnwindChangesAction()
where action != null && action.Connection != null && action.Connection.IsConnected
select action;
return actions.ToList();
}
}
}