File size: 2,930 Bytes
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// Licensed under the MIT License.
using System.Management.Automation;
using Microsoft.Management.Infrastructure;
using Dbg = System.Management.Automation.Diagnostics;
namespace Microsoft.PowerShell.Cmdletization.Cim
{
/// <summary>
/// Base job for queries.
/// </summary>
internal abstract class QueryJobBase : CimChildJobBase<CimInstance>
{
private readonly CimQuery _cimQuery;
internal QueryJobBase(CimJobContext jobContext, CimQuery cimQuery)
: base(jobContext)
{
Dbg.Assert(cimQuery != null, "Caller should verify cimQuery != null");
_cimQuery = cimQuery;
}
public override void OnNext(CimInstance item)
{
this.ExceptionSafeWrapper(
delegate
{
Dbg.Assert(item != null, "When OnNext is called from our IObservable, item parameter should always be != null");
if (item == null)
{
return;
}
if (!_cimQuery.IsMatchingResult(item))
{
return;
}
this.WriteObject(item);
});
}
public override void OnCompleted()
{
this.ExceptionSafeWrapper(
delegate
{
foreach (ClientSideQuery.NotFoundError notFoundError in _cimQuery.GenerateNotFoundErrors())
{
string errorId = "CmdletizationQuery_NotFound";
if (!string.IsNullOrEmpty(notFoundError.PropertyName))
{
errorId = errorId + "_" + notFoundError.PropertyName;
}
CimJobException cimJobException = CimJobException.CreateWithFullControl(
this.JobContext,
notFoundError.ErrorMessageGenerator(this.Description, this.JobContext.ClassName),
errorId,
ErrorCategory.ObjectNotFound);
if (!string.IsNullOrEmpty(notFoundError.PropertyName))
{
cimJobException.ErrorRecord.SetTargetObject(notFoundError.PropertyValue);
}
this.WriteError(cimJobException.ErrorRecord);
}
});
base.OnCompleted();
}
internal override CimCustomOptionsDictionary CalculateJobSpecificCustomOptions()
{
return CimCustomOptionsDictionary.Create(_cimQuery.queryOptions);
}
}
}
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