* Because the cell directory is created only at object construction
* time, we need to check whether it still exists, or whether it newly
* exists.
*/
if (this.cellDirectory == null && this.delegate.cellDirectoryExists() == true) {
DirectoryDelegate dirDelegate = this.delegate.createDirectoryDelegate();
this.cellDirectory = new WFSCellDirectory(this.wfsRef.get(), this, dirDelegate);
}
else if (this.cellDirectory != null && this.delegate.cellDirectoryExists() == false) {
this.cellDirectory.setInvalid();
this.cellDirectory = null;