unitTree = new UnitHierarchy(clusterCache.getHost());
unitTree = new UnitHierarchy(clusterCache.getDemandHost());
    public ServerPlanElementProvider(ClusterCache clusterCache, boolean cannedMode)    {	super(clusterCache, new PassAll(), cannedMode);	allowOrgItinsFrom = clusterCache.getallowOrgNames();	structurePool = new Hashtable();	itineraryPool = new Vector();	byUnit = new VectorHashtable();	itineraryBrothers = new VectorHashtable();	unitManifests = new Hashtable();	unitTree = new UnitHierarchy(clusterCache.getHost());	seenAssetUnit = new Hashtable();	 	itinsMissingUnit = new VectorHashtable();        count ++;	if(useTestData)	  testPopulateTransitData();    }