Create an Index to use for more operations.

TopicsIndex topicsIndex = 
   (TopicsIndex) tm.getHelperObject(org.tmapi.index.core.TopicsIndex.class);

if (topicsIndex.isOpen() == false) {
  // open index
  topicsIndex.open();
}

if (topicsIndex.getFlags().isAutoUpdated() == false) {
  // regenerate index
  topicsIndex.reindex();
}


/* DO INDEX OPERATION */


// free index
topicsIndex.close();