File size: 3,621 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using System.Management.Automation;
using Microsoft.Management.Infrastructure;
using Dbg = System.Management.Automation.Diagnostics;
namespace Microsoft.PowerShell.Cmdletization.Cim
{
/// <summary>
/// Job wrapping invocation of a ModifyInstance intrinsic CIM method.
/// </summary>
internal sealed class ModifyInstanceJob : PropertySettingJob<CimInstance>
{
private CimInstance _resultFromModifyInstance;
private bool _resultFromModifyInstanceHasBeenPassedThru;
private readonly CimInstance _originalInstance;
private CimInstance _temporaryInstance;
internal ModifyInstanceJob(CimJobContext jobContext, bool passThru, CimInstance managementObject, MethodInvocationInfo methodInvocationInfo)
: base(jobContext, passThru, managementObject, methodInvocationInfo)
{
Dbg.Assert(this.MethodSubject != null, "Caller should verify managementObject != null");
_originalInstance = managementObject;
}
internal override IObservable<CimInstance> GetCimOperation()
{
if (!this.ShouldProcess())
{
return null;
}
_temporaryInstance = new CimInstance(_originalInstance);
ModifyLocalCimInstance(_temporaryInstance);
IObservable<CimInstance> observable = this.JobContext.Session.ModifyInstanceAsync(
this.JobContext.Namespace,
_temporaryInstance,
this.CreateOperationOptions());
return observable;
}
public override void OnNext(CimInstance item)
{
Dbg.Assert(item != null, "ModifyInstance and GetInstance should not return a null instance");
_resultFromModifyInstance = item;
}
public override void OnCompleted()
{
Dbg.Assert(_resultFromModifyInstance != null, "ModifyInstance should return an instance over DCOM and WSMan");
ModifyLocalCimInstance(_originalInstance); /* modify input CimInstance only upon success (fix for bug WinBlue #) */
base.OnCompleted();
}
internal override object PassThruObject
{
get
{
Dbg.Assert(_resultFromModifyInstance != null, "ModifyInstance should return an instance over DCOM and WSMan");
if (IsShowComputerNameMarkerPresent(_originalInstance))
{
PSObject pso = PSObject.AsPSObject(_resultFromModifyInstance);
AddShowComputerNameMarker(pso);
}
_resultFromModifyInstanceHasBeenPassedThru = true;
return _resultFromModifyInstance;
}
}
internal override CimCustomOptionsDictionary CalculateJobSpecificCustomOptions()
{
return CimCustomOptionsDictionary.MergeOptions(
base.CalculateJobSpecificCustomOptions(),
_originalInstance);
}
protected override void Dispose(bool disposing)
{
if (!_resultFromModifyInstanceHasBeenPassedThru && _resultFromModifyInstance != null)
{
_resultFromModifyInstance.Dispose();
_resultFromModifyInstance = null;
}
if (_temporaryInstance != null)
{
_temporaryInstance.Dispose();
_temporaryInstance = null;
}
base.Dispose(disposing);
}
}
}
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