Hierarchical faceting with solr 1.4 version

Hi, I am using SOLR1.4 version. I have a requirement to display the data as below. Polygon id=TX172- type=MSA name=Dallas/Ft. Worth dictionaryId=297224 Polygon id=TX172-0200 type=Area name=Denton dictionaryId=296635/ Polygon id=TX172-1000 type=Area name=Grand Prairie dictionaryId=400702

Question about SOLR custom sort order

Hi, I use Solr 1.4 version and I have a question about SOLR sort order. Requirement : Sort names(e.g. : location names like Dallas(City), las vegas(City), Texas(State), India(Country), Canada(Country), etc..) based on category(e.g. : CITY, STATE, COUNTRY, etc..) How to sort the SOLR results