private TaxonManagerSingleThreadCache GetTaxonManager(Boolean refresh = false)
 {
     if (_taxonManager.IsNull() || refresh)
     {
         _taxonManager            = new TaxonManagerSingleThreadCache();
         _taxonManager.DataSource = new TaxonDataSource();
     }
     return(_taxonManager);
 }
 public TaxonManagerSingleThreadCacheTest()
 {
     _taxonManager = null;
 }