code: public void setLocalPrefix(final String configuredPrefix) {
  		lock.writeLock().lock();
  		try {
  			final String myPrefix = checkAndConvertPrefix(configuredPrefix);
  			final List<String> prefixList = split(myPrefix);
  			setPrefixes(prefixList);
  		} finally {
  			lock.writeLock().unlock();
  		}
  	}
docs: Sets the local Prefix. The local Prefix is Thread depended and will only
  affect the current thread. You can have a combination of default and
  local prefix.
  
  @param configuredPrefix
  the new configuredPrefix