private void UpdateCache()
{
if (CrmVersionManager.IsSupported(CrmVersion.CRM2011_UR12))
{
ParameterCollection result = GetEntityUsingMetadataQuery();
foreach (var item in (EntityMetadataCollection)result["EntityMetadata"])
{
_entities.Add(item.LogicalName, item);
}
var deleted = (DeletedMetadataCollection)result["DeletedMetadata"];
if (deleted != null && deleted.Keys.Contains(DeletedMetadataFilters.Entity))
{
foreach (var item in deleted[DeletedMetadataFilters.Entity])
{
_entities.Remove(_entities.Single(e => e.MetadataId == item).LogicalName);
}
}
_timestamp = (string)result["ServerVersionStamp"];
}
else
{
IEnumerable <EntityMetadata> result = (EntityMetadata[])GetEntitiesUsingRequestAll()["EntityMetadata"];
_entities = new Cache <EntityMetadata>();
foreach (var item in result)
{
_entities.Add(item.LogicalName, item);
}
_lastUpdated = DateTime.UtcNow;
}
}
private bool IsCacheValid()
{
if (CrmVersionManager.IsSupported(CrmVersion.CRM2011_UR12))
{
if (_timestamp == null)
{
return(false);
}
OrganizationRequest request = new OrganizationRequest("RetrieveTimestamp");
OrganizationResponse response = CrmContext.OrganizationProxy.Execute(request);
string result = (string)response.Results["Timestamp"];
return(string.Equals(_timestamp, result, StringComparison.InvariantCultureIgnoreCase));
}
else
{
if (_lastUpdated == null)
{
return(false);
}
return((DateTime.UtcNow - _lastUpdated).Value.TotalMinutes < 10.0);
}
}