Changeset 28063 for gs3-extensions/solr/trunk/src/src/java/org/greenstone/gsdl3/util/SolrQueryWrapper.java

Timestamp:

2013-08-15T14:22:11+12:00 (11 years ago)

Author:

kjdon

Message:

adding in comments and sorting search results

File:

• gs3-extensions/solr/trunk/src/src/java/org/greenstone/gsdl3/util/SolrQueryWrapper.java (modified) (3 diffs)

gs3-extensions/solr/trunk/src/src/java/org/greenstone/gsdl3/util/SolrQueryWrapper.java

@@ -47 +47 @@
 public class SolrQueryWrapper extends SharedSoleneQuery
 {
+  public static String SORT_ASCENDING = "asc";
+  public static String SORT_DESCENDING = "desc";
+  public static String SORT_BY_RANK = "score";
+  public static String SORT_BY_INDEX_ORDER = "_docid_";
+
     static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.SolrQueryWrapper.class.getName());
     protected int max_docs = 100;
+  protected String sort_order = SORT_DESCENDING;
     protected ArrayList<String> _facets = new ArrayList<String>();
     protected ArrayList<String> _facetQueries = new ArrayList<String>();
@@ -68 +74 @@
         this.solr_core = solr_core;
     }
-
+  
+  public void setSortOrder(String order)
+  {
+    this.sort_order = order;
+  }
     public void addFacet(String facet)
     {
@@ -190 +200 @@
         ModifiableSolrParams solrParams = new ModifiableSolrParams();
         solrParams.set("q", query_string);
+        // sort param, like "score desc" or "byORG asc"
+        solrParams.set("sort", this.sort_field+" "+this.sort_order);
+        // which result to start from
         solrParams.set("start", start_results);
+        // how many results per "page"
         solrParams.set("rows", (end_results - start_results) + 1);
+        // which fields to return for each document
         solrParams.set("fl", "docOID score");
+        // turn on the termsComponent
         solrParams.set("terms", true);
+        // which field to get the terms from
         solrParams.set("terms.fl", "ZZ");
 
         if (_facets.size() > 0)
         {
+          // enable facet counts in the query response
             solrParams.set("facet", "true");
             for (int i = 0; i < _facets.size(); i++)
             {
+              // add this field as a facet
                 solrParams.add("facet.field", _facets.get(i));
             }