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Java/ZZEvObs.java

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+/*   
+ZZEvObs.java
+ *    
+ *    Copyright (c) 1999, Tuomas Lukka
+ *
+ *    You may use and distribute under the terms of either the GNU Lesser
+ *    General Public License, either version 2 of the license or,
+ *    at your choice, any later version. Alternatively, you may use and
+ *    distribute under the terms of the XPL.
+ *
+ *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
+ *    the licenses.
+ *
+ *    This software is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the README
+ *    file for more details.
+ *
+ */
+
+package org.gzigzag;
+/** A simple class that observes a cell.
+ * Note that this class is to be used only for one cell: the two calls
+ *   chg(1) chg(2) can be replaced with chg(2). There will in the future be
+ * a new class, ZZMultiCellObs that gets a ZZCell[] as its parameter.
+ */
+
+public interface ZZEvObs {
+String rcsid = "$Id: ZZEvObs.java,v 1.5 2000/09/19 10:31:58 ajk Exp $";
+	/** Called when something is changed.
+	 */
+
+	void chg();
+}
+
+