SEARCH-347, fix to skip TMDQ when faceting is involved

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@136049 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/search/impl/solr/DbOrIndexSwitchingQueryLanguage.java

@@ -182,7 +182,8 @@ public class DbOrIndexSwitchingQueryLanguage extends AbstractLuceneQueryLanguage
         case TRANSACTIONAL_IF_POSSIBLE:
         default:
             StopWatch stopWatch = new StopWatch("DB if possible");
-            if(dbQueryLanguage != null)
+            //SEARCH-347, exclude TMDQ calls if faceting present.
+            if(dbQueryLanguage != null && !hasFaceting(searchParameters))
             {
                 try
                 {
@@ -251,8 +252,6 @@ public class DbOrIndexSwitchingQueryLanguage extends AbstractLuceneQueryLanguage
             }
             throw new QueryModelException("No query language available");
         }
-        
-        
     }
 
     private SearchParameters flattenDBQuery(SearchParameters sp)
@@ -285,6 +284,24 @@ public class DbOrIndexSwitchingQueryLanguage extends AbstractLuceneQueryLanguage
         }
     }
 
+    /**
+     * Checks if faceted fields or faceted queries are present if so it needs 
+     * to be excluded from the TMDQ call.
+     * @param searchParameters
+     * @return true if exists
+     */
+    private boolean hasFaceting(SearchParameters searchParameters)
+    {
+        if(searchParameters.getFacetQueries() != null && !searchParameters.getFacetQueries().isEmpty())
+        {
+            return true;
+        }
+        if(searchParameters.getFieldFacets() != null && !searchParameters.getFieldFacets().isEmpty())
+        {
+            return true;
+        }
+        return false;
+    }
     private ResultSet executeHybridQuery(SearchParameters searchParameters,
                                          ADMLuceneSearcherImpl admLuceneSearcher)
     {