Changeset 27086

Timestamp:

2013-03-14T13:03:30+13:00 (11 years ago)

Author:

kjdon

Message:

added reverse sort option to lucene sorting of search results

File:

• main/trunk/greenstone2/common-src/indexers/lucene-gs/src/org/greenstone/LuceneWrapper3/GS2LuceneQuery.java (modified) (5 diffs)

main/trunk/greenstone2/common-src/indexers/lucene-gs/src/org/greenstone/LuceneWrapper3/GS2LuceneQuery.java

@@ -61 +61 @@
     protected String full_indexdir="";
 
+  protected boolean reverse_sort = false;
     protected Sort sorter=new Sort();
     protected Filter filter = null;
@@ -118 +119 @@
         this.sorter = new Sort();
     } else {
-        this.sorter = new Sort(new SortField(sort_field,SortField.STRING)); // **** can do better than this?!?
-    }
-    }
+      this.sorter = new Sort(new SortField(sort_field,SortField.STRING, this.reverse_sort)); // **** can do better than this?!?
+    }
+    }
+  public void setReverseSort() {
+    this.reverse_sort = true;
+    if (this.sort_field != null) {
+      this.sorter = new Sort(new SortField(this.sort_field, SortField.STRING, this.reverse_sort));
+    }
+  }
+  public boolean getReverseSort() {
+    return this.reverse_sort;
+  }
 
     public void setFilterString(String filter_string) {
@@ -485 +495 @@
     {
     if (args.length == 0) {
-        System.out.println("Usage: GS2LuceneQuery <index directory> [-fuzziness value] [-filter filter_string] [-sort sort_field] [-dco AND|OR] [-startresults number -endresults number] [query]");
+        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]");
         return;
     }
@@ -516 +526 @@
             i++;
             queryer.setSortField(args[i]);
+        }
+        else if (args[i].equals("-reverse_sort")) {
+          queryer.setReverseSort();
         }
         else if (args[i].equals("-filter")) {
@@ -592 +605 @@
         String sort_string = queryer.getSortField();
         query_result_cache_file_name += ((sort_string != null) ? sort_string : "") + "-";
+        String reverse_sort_string = (queryer.getReverseSort() ? "1" : "0");
+        query_result_cache_file_name += reverse_sort_string + "-";
         String default_conjunction_operator = queryer.getDefaultConjunctionOperator();
         query_result_cache_file_name += default_conjunction_operator + "-";