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Java/storage/Flushable.java

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+/*   
+Flushable.java
+ *    
+ *    Copyright (c) 2000, Ted Nelson and 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.
+ *
+ */
+/*
+ * Written by Tuomas Lukka
+ */
+package org.gzigzag;
+import java.util.*;
+
+/** An interface for things that can be flushed.
+ * Mostly for determining if e.g. a ZZSpace needs flushing.
+ */
+
+public interface Flushable {
+String rcsid = "$Id: Flushable.java,v 1.3 2000/09/19 10:32:00 ajk Exp $";
+    /** Flush the contents not yet flushed to disk.
+     */
+    void flush();
+    /** Whether this object is in fact in a cache-keeping mode.
+     */
+    boolean isCaching();
+}
+