code: public String getHostsUsed() {
  		String hostsUsed= new String();
  		StringBuilder strBldr = new StringBuilder();
  	
  		Set<Entry<String,CassandraHost>> se= m_hostsUsed.entrySet();
  		
  		for (Entry<String, CassandraHost> entry : se) 
  		{
  			strBldr.append(entry.getValue().toString());
  			strBldr.append(';');	
  		}
  		if(se.size()>0 && strBldr.length()>0)
  		{
  			hostsUsed=strBldr.substring(0, strBldr.length()-1);
  		}
  		return hostsUsed;
  	}
docs: The {@link CassandraHost} on which this operation
  was successful