| /* |
| * @(#)$RCSfile: Validation.java,v $ $Revision: 1.1 $ $Date: 2000/04/20 17:45:10 $ |
| * |
| * (C) Copyright IBM Corp. 1998-1999. All Rights Reserved. |
| * |
| * The program is provided "as is" without any warranty express or |
| * implied, including the warranty of non-infringement and the implied |
| * warranties of merchantibility and fitness for a particular purpose. |
| * IBM will not be liable for any damages suffered by you as a result |
| * of using the Program. In no event will IBM be liable for any |
| * special, indirect or consequential damages or lost profits even if |
| * IBM has been advised of the possibility of their occurrence. IBM |
| * will not be liable for any third party claims against you. |
| */ |
| package com.ibm.richtext.styledtext; |
| |
| /** |
| * Iterators use this class to keep from getting out of sync with |
| * their underlying data. When created, the iterator gets a |
| * Validation instance. If the underlying data changes, the Validation |
| * becomes invalid. Usually iterators will throw exceptions if accessed |
| * after becoming invalid. |
| */ |
| final class Validation { |
| |
| static final String COPYRIGHT = |
| "(C) Copyright IBM Corp. 1998-1999 - All Rights Reserved"; |
| private boolean fIsValid = true; |
| |
| boolean isValid() { |
| |
| return fIsValid; |
| } |
| |
| void invalidate() { |
| |
| fIsValid = false; |
| } |
| } |
