public RAMEntry add(RAMEntry entry)
  {
    touch();
    _directoryContent.put(entry.name(), entry);
    return entry;
  }
public RAMEntry add(RAMEntry entry)
  {
    touch();
    _directoryContent.put(entry.name(), entry);
    return entry;
  }
public RAMEntry add ( RAMEntry entry ) { touch ( ) ; _directoryContent . put ( entry . name ( ) , entry ) ; return entry ; }
Copy the entry in this directory with the provided name

@param entry
@return the touched entry
Copy the entry in this directory with the provided name