code: public void dumpIidToIvfpqDB(String dumpFilename) throws Exception {
  		DatabaseEntry foundKey = new DatabaseEntry();
  		DatabaseEntry foundData = new DatabaseEntry();
  
  		ForwardCursor cursor = iidToIvfpqDB.openCursor(null, null);
  		BufferedWriter out = new BufferedWriter(new FileWriter(new File(dumpFilename)));
  		while (cursor.getNext(foundKey, foundData, LockMode.DEFAULT) == OperationStatus.SUCCESS) {
  			int iid = IntegerBinding.entryToInt(foundKey);
  			TupleInput input = TupleBinding.entryToInput(foundData);
  			int listId = input.readInt();
  			out.write(iid + " " + listId + "\n");
  		}
  		cursor.close();
  		out.close();
  	}
docs: This is a utility method that can be used to dump the contents of the iidToIvfpqDB to a txt file.<br>
  Currently, only the list id of each item is dumped.
  
  @param dumpFilename
  Full path to the file where the dump will be written.
  @throws Exception