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Java/transform/VersionChanger.java

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+/*   
+VersionChanger.java
+ *    
+ *    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.
+ *
+ */
+/*
+ * Written by Tuukka Hastrup
+ */
+package org.gzigzag.transform;
+import java.util.*;
+import org.gzigzag.*;
+
+/** A general interface for changing ZZspaces between versions.
+ */
+public interface VersionChanger {
+String rcsid = "$Id: VersionChanger.java,v 1.4 2000/09/19 10:32:01 ajk Exp $";
+    /** Takes the space which conforms to client space version of the 
+     *  converter class. Needed transformations are then carried out
+     *	to make the space conform to a newer version returned.
+     *  @param s	The space to convert
+     *  @return		The new version of the space
+     */
+    int changeVersion(ZZSpace s);
+}
+