public void freeUniqueName(String name){
  if (name != null) {
synchronized (temporaryUniqueNames) {
      temporaryUniqueNames.remove(name);
    }
  }
}

public void freeUniqueName ( String name ) { if ( name != null ) { synchronized ( temporaryUniqueNames ) { temporaryUniqueNames . remove ( name ) ; } } }
release a unique object name .
