Added a write-enabled checkbox for remote solr servers.

It is now possible to assign every peer other YaCy peers as remote solr
server which are only used for read operations during search. This also
affects crawling: it will exclude urls from crawls which exist on remote
solr/remote YaCy peers.

htroot/IndexFederated_p.html

@@ -68,6 +68,9 @@
       <dt class="TableCellDark"></dt>
       <dd>Sharding Method<br/><input type="text" size="50" maxlength="50" value="#[solr.indexing.sharding]#" name="solr.indexing.sharding" id="solr.indexing.sharding" disabled="disabled"/></dd>
 
+      <dt class="TableCellDark"></dt>
+      <dd><input type="checkbox" name="solr.indexing.solrremote.writeenabled" id="solr_indexing_solrremote_writeenabled" #(solr.indexing.solrremote.writeenabled.checked)#:: checked="checked"#(/solr.indexing.solrremote.writeenabled.checked)#/> write-enabled (if unchecked, the remote server(s) will only be used as search peers)</dd>
+
       <dt><input type="submit" name="setsolr" value="Set" /></dt><dd></dd>
 
       </dd>

htroot/IndexFederated_p.java

@@ -125,14 +125,16 @@ public class IndexFederated_p {
                     ConcurrentLog.logException(e);
                 }
             }
+            
+            final boolean writeEnabled = post.getBoolean("solr.indexing.solrremote.writeenabled");
+            sb.setConfig(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_WRITEENABLED, writeEnabled);
 
             if (solrRemoteIsOnAfterwards) try {
                 if (solrRemoteWasOn) sb.index.fulltext().disconnectRemoteSolr();
                 // switch on
                 final boolean usesolr = sb.getConfigBool(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_ENABLED, false) & solrurls.length() > 0;
                 final int solrtimeout = sb.getConfigInt(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_TIMEOUT, 10000);
-                final boolean writeEnabled = sb.getConfigBool(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_WRITEENABLED, true);
-
+                
                 try {
                     if (usesolr) {
                         ArrayList<RemoteInstance> instances = RemoteInstance.getShardInstances(solrurls, null, null, solrtimeout);
@@ -181,6 +183,7 @@ public class IndexFederated_p {
         prop.put("solr.indexing.solrremote.checked", env.getConfigBool(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_ENABLED, false) ? 1 : 0);
         prop.put("solr.indexing.url", env.getConfig(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_URL, "http://127.0.0.1:8983/solr").replace(",", "\n"));
         prop.put("solr.indexing.sharding", env.getConfig(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_SHARDING, "modulo-host-md5"));
+        prop.put("solr.indexing.solrremote.writeenabled.checked", env.getConfigBool(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_WRITEENABLED, true));
         prop.put("solr.indexing.lazy.checked", env.getConfigBool(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_LAZY, true) ? 1 : 0);
         
         // return rewrite properties