class Link extends File {
	File physical_file;

		// constructor
	Link(File aFile, String name) {
		super(aFile.getParentDir(), name);
		physical_file = aFile; 
	}

	public CompoundFile getDir(){ 
		return physical_file.getDir();
	}

		// override the getLink() method in the super class
	public Link getLink() {
		return this;
	}
} // end of class Link