Ignore:
Timestamp:
03/12/13 14:59:41 (8 years ago)
Author:
kjdon
Message:

adding in reverse sort option

File:
1 edited

Legend:

Unmodified
Added
Removed
  • main/trunk/greenstone2/common-src/indexers/lucene-gs/src/org/greenstone/LuceneWrapper/GS2LuceneQuery.java

    r24731 r27068  
    6565    private String fuzziness = null;
    6666    private String sort_field = null;
     67  private boolean reverse_sort = false;
    6768    private Sort sorter=new Sort();
    6869    private String filter_string = null;
     
    132133    try {               
    133134        Query query_including_stop_words = query_parser_no_stop_words.parse(query_string);
     135        System.err.println("stop query class="+query_including_stop_words.getClass().getName());
    134136        query_including_stop_words = query_including_stop_words.rewrite(reader);
    135        
    136         // System.err.println("********* query_string " + query_string + "****");
     137        System.err.println("stop query class="+query_including_stop_words.getClass().getName());   
     138        System.err.println("********* query_string " + query_string + "****");
    137139
    138140        Query query = parseQuery(reader, query_parser, query_string, fuzziness);
     
    305307        this.sorter = new Sort();
    306308    } else {
    307         this.sorter = new Sort(sort_field);
     309      this.sorter = new Sort(sort_field, this.reverse_sort);
    308310    }
    309311    }
     
    311313    return this.sort_field;
    312314    }
    313        
     315  public void setReverseSort() {
     316    this.reverse_sort = true;
     317    if (this.sort_field != null) {
     318      this.sorter = new Sort(this.sort_field, this.reverse_sort);
     319    }
     320  }
     321  public boolean getReverseSort() {
     322    return this.reverse_sort;
     323  }
    314324    public void setStartResults(int start_results) {
    315325    if (start_results < 1) {
     
    475485
    476486    if (args.length == 0) {
    477         System.out.println("Usage: GS2LuceneQuery <index directory> [-fuzziness value] [-filter filter_string] [-sort sort_field] [-dco AND|OR] [-startresults number -endresults number] [query]");
     487        System.out.println("Usage: GS2LuceneQuery <index directory> [-fuzziness value] [-filter filter_string] [-sort sort_field] [-reverse_sort] [-dco AND|OR] [-startresults number -endresults number] [query]");
    478488        return;
    479489    }
     
    506516            i++;
    507517            queryer.setSortField(args[i]);
     518        }
     519        else if (args[i].equals("-reverse_sort")) {
     520          queryer.setReverseSort();
    508521        }
    509522        else if (args[i].equals("-filter")) {
     
    582595        String sort_string = queryer.getSortField();
    583596        query_result_cache_file_name += ((sort_string != null) ? sort_string : "") + "-";
     597        String reverse_sort_string = (queryer.getReverseSort() ? "1" : "0");
     598        query_result_cache_file_name += reverse_sort_string + "-";
    584599        String default_conjunction_operator = queryer.getDefaultConjunctionOperator();
    585600        query_result_cache_file_name += default_conjunction_operator + "-";
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