Reduce number of default max. search navigator lines (from 10000)

to 100 + make it configurable

defaults/yacy.init

@@ -857,6 +857,9 @@ search.result.show.snapshots = false
 search.navigation=location,hosts,authors,namespace,topics,filetype,protocol,language
 #search.navigation=location,hosts,authors,namespace,topics,filetype,protocol,language,collections,date
 
+# max number of items displayed in search navigators
+search.navigation.maxcount=100
+
 # search result verification and snippet fetch caching rules
 # each search result can be verified byloading the link from the web
 # this can be enhanced using a cache. In some cases it may be appropriate

htroot/ConfigSearchPage_p.html

@@ -158,6 +158,8 @@
                           </div></td>
                       </tr>
                     </table>
+                    <label for="search.navigation.maxcount">max. items</label>
+                    <input type="text" id="search.navigation.maxcount" name="search.navigation.maxcount" size="4" value="#[search.navigation.maxcount]#">
                   </fieldset>
                 </div>                        
               </td>

htroot/ConfigSearchPage_p.java

@@ -37,6 +37,7 @@ import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.data.WorkTables;
 import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
+import net.yacy.search.query.QueryParams;
 import net.yacy.server.serverObjects;
 import net.yacy.server.serverSwitch;
 
@@ -93,6 +94,12 @@ public class ConfigSearchPage_p {
                 if (post.getBoolean("search.navigation.date")) nav += "date,";
                 if (nav.endsWith(",")) nav = nav.substring(0, nav.length() - 1);
                 sb.setConfig("search.navigation", nav);
+                // maxcount default
+                int navmaxcnt = post.getInt("search.navigation.maxcount", QueryParams.FACETS_STANDARD_MAXCOUNT);
+                if (navmaxcnt > 5) {
+                    sb.setConfig(SwitchboardConstants.SEARCH_NAVIGATION_MAXCOUNT, navmaxcnt);
+                    if (navmaxcnt != QueryParams.FACETS_STANDARD_MAXCOUNT) QueryParams.FACETS_STANDARD_MAXCOUNT = navmaxcnt;
+                }
             }
             if (post.containsKey("searchpage_default")) {
                 // load defaults from defaults/yacy.init file
@@ -174,6 +181,7 @@ public class ConfigSearchPage_p {
         prop.put("search.navigation.namespace", sb.getConfig("search.navigation", "").indexOf("namespace",0) >= 0 ? 1 : 0);
         prop.put("search.navigation.topics", sb.getConfig("search.navigation", "").indexOf("topics",0) >= 0 ? 1 : 0);
         prop.put("search.navigation.date", sb.getConfig("search.navigation", "").indexOf("date",0) >= 0 ? 1 : 0);
+        prop.put("search.navigation.maxcount", sb.getConfigInt(SwitchboardConstants.SEARCH_NAVIGATION_MAXCOUNT, QueryParams.FACETS_STANDARD_MAXCOUNT));
 
         prop.put("about.headline", sb.getConfig("about.headline", "About"));
         prop.put("about.body", sb.getConfig("about.body", ""));

source/net/yacy/search/Switchboard.java

@@ -200,6 +200,7 @@ import net.yacy.search.index.Fulltext;
 import net.yacy.search.index.Segment;
 import net.yacy.search.index.Segment.ReferenceReportCache;
 import net.yacy.search.query.AccessTracker;
+import net.yacy.search.query.QueryParams;
 import net.yacy.search.query.SearchEvent;
 import net.yacy.search.query.SearchEventCache;
 import net.yacy.search.ranking.RankingProfile;
@@ -1164,6 +1165,9 @@ public final class Switchboard extends serverSwitch {
 
         this.trail = new LinkedBlockingQueue<String>();
 
+        // set configurable ui defaults
+        QueryParams.FACETS_STANDARD_MAXCOUNT = sb.getConfigInt(SwitchboardConstants.SEARCH_NAVIGATION_MAXCOUNT, QueryParams.FACETS_STANDARD_MAXCOUNT); // max number of navigator/facet lines
+        
         this.log.config("Finished Switchboard Initialization");
     }
 

source/net/yacy/search/SwitchboardConstants.java

@@ -491,6 +491,8 @@ public final class SwitchboardConstants {
     public static final String SEARCH_VERIFY  = "search.verify";
     public static final String SEARCH_VERIFY_DELETE = "search.verify.delete";
 
+    public static final String SEARCH_NAVIGATION_MAXCOUNT = "search.navigation.maxcount"; // max lines displayed in standard search navigators/facets
+
     /**
      * ranking+evaluation
      */

source/net/yacy/search/query/QueryParams.java

@@ -80,7 +80,7 @@ import org.apache.solr.util.DateFormatUtil;
 
 public final class QueryParams {
 
-    public static int FACETS_STANDARD_MAXCOUNT = 10000;
+    public static int FACETS_STANDARD_MAXCOUNT = 100; // max count of item lines in navigator
     public static int FACETS_DATE_MAXCOUNT = 640;
     
     public enum Searchdom {

test/java/net/yacy/kelondro/rwi/ReferenceContainerTest.java

@@ -89,7 +89,7 @@ public class ReferenceContainerTest {
 
         assertNotNull("getReference failed", wc);
 
-        // TODO: ReferenceContainer used for rwi results. As it distance doesn't persist after adding ref to container making the distance ranking obsolete -> remove or fix
+        // TODO: ReferenceContainer used for rwi results. As distance doesn't persist after adding ref to container making the distance ranking obsolete -> remove or fix
         System.out.println("-----------------------------------------------------------");
         System.out.println("WordReference (word distance) before add to container:  " + wentry.distance());
         System.out.println("WordReference (word distance) after get from container: " + wc.distance());