DeletedMetadataCollection 클래스

아티클
07/17/2015

The structure used to return deleted metadata.

네임스페이스: Microsoft.Xrm.Sdk.Metadata.Query
어셈블리: Microsoft.Xrm.Sdk(Microsoft.Xrm.Sdk.dll에 있음)

구문

‘선언
<CollectionDataContractAttribute(Name:="DeletedMetadataCollection", Namespace:="https://schemas.microsoft.com/xrm/2011/Metadata/Query")> _
Public NotInheritable Class DeletedMetadataCollection
    Inherits DataCollection(Of DeletedMetadataFilters, DataCollection(Of Guid))

[CollectionDataContractAttribute(Name="DeletedMetadataCollection", Namespace="https://schemas.microsoft.com/xrm/2011/Metadata/Query")] 
public sealed class DeletedMetadataCollection : DataCollection<DeletedMetadataFilters,DataCollection<Guid>>

설명

This is the collection returned as the RetrieveMetadataChangesResponse.DeletedMetadata property when the RetrieveMetadataChangesRequest has values set for the ClientVersionStamp and DeletedMetadataFilters properties.

The following code snippets taken from Sample: Query Metadata and Detect Changes show how the DeletedMetadataCollectioncan be used to detect deleted OptionSetMetadata.

protected String updateOptionLabelList(EntityQueryExpression entityQueryExpression, String clientVersionStamp)
{
 //Retrieve metadata changes and add them to the cache
 RetrieveMetadataChangesResponse updateResponse;
 try
 {
  updateResponse = getMetadataChanges(entityQueryExpression, clientVersionStamp, DeletedMetadataFilters.OptionSet);
  addOptionLabelsToCache(updateResponse.EntityMetadata, true);
  removeOptionLabelsFromCache(updateResponse.DeletedMetadata, true);

 }
 catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
 {
  // Check for ErrorCodes.ExpiredVersionStamp (0x80044352)
  // Will occur when the timestamp exceeds the Organization.ExpireSubscriptionsInDays value, which is 90 by default.
  if (ex.Detail.ErrorCode == unchecked((int)0x80044352))
  {
   //reinitialize cache
   _optionLabelList.Clear();

   updateResponse = getMetadataChanges(entityQueryExpression, null, DeletedMetadataFilters.OptionSet);
   //Add them to the cache and display the changes
   addOptionLabelsToCache(updateResponse.EntityMetadata, true);

  }
  else
  {
   throw ex;
  }

 }
 return updateResponse.ServerVersionStamp;
}
   
   
   ...
   
   
   
protected void removeOptionLabelsFromCache(DeletedMetadataCollection DeletedMetadata, Boolean showChanges)
{
 List<OptionSetOption> optionSetOptionsToRemove = new List<OptionSetOption>();

 if (DeletedMetadata.Keys.Contains(DeletedMetadataFilters.OptionSet))
 {
  DataCollection<Guid> optionsetmetadataids = (DataCollection<Guid>)DeletedMetadata[DeletedMetadataFilters.OptionSet];
  foreach (Guid metadataid in optionsetmetadataids)
  {
   foreach (OptionSetOption oso in _optionLabelList)
   {
    if (metadataid == oso.optionsetId)
    {
     optionSetOptionsToRemove.Add(oso);
    }
   }
  }
 }
 foreach (OptionSetOption option in optionSetOptionsToRemove)
 {
  _optionLabelList.Remove(option);
 }
 if (showChanges)
 {
  if (optionSetOptionsToRemove.Count > 0)
  {
   Console.WriteLine("{0} Option Labels removed", optionSetOptionsToRemove.Count);
   Console.WriteLine("{0} Total Option Labels currently cached", _optionLabelList.Count);
   Console.WriteLine("");
  }
  else
  {
   Console.WriteLine("No Option Labels removed.");
   Console.WriteLine("");
  }

 }
}

상속 계층

System.Object
Microsoft.Xrm.Sdk.DataCollection
Microsoft.Xrm.Sdk.Metadata.Query.DeletedMetadataCollection

스레드 보안

이 형식의 공용 정적(Visual Basic에서는 Shared) 구성원은 스레드로부터 안전합니다. 인스턴스 구성원은 스레드로부터 안전하지 않을 수 있습니다.

플랫폼

Development Platforms

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Target Platforms

Windows 98,Windows 2000,Windows 2000 Server,Windows CE,Windows Server 2008,Windows 98 Second Edition,Pocket PC,스마트 폰,Windows Server 2003,Windows XP Professional,Windows Server 2008,Windows Server 2012,Windows 7,Windows 8,Windows 8.1

Change History

참고 항목

참조

DeletedMetadataCollection 구성원
Microsoft.Xrm.Sdk.Metadata.Query 네임스페이스
Retrieve Information about Deleted Metadata

기타 리소스

Query and Capture Changes to Metadata
Sample: Query Metadata and Detect Changes

다음을 통해 공유