/*
 * Copyright (c) 2002-2007, Marc Prud'hommeaux. All rights reserved.
 *
 * This software is distributable under the BSD license. See the terms of the
 * BSD license in the documentation provided with this software.
 */

package org.jboss.forge.shell.console.jline.console.history;

import java.io.IOException;

/**
 * Persistent {@link History}.
 * 
 * @author <a href="mailto:jason@planet57.com">Jason Dillon</a>
 * @since 2.3
 */
public interface PersistentHistory
         extends History
{
   /**
    * Flush all items to persistent storage.
    * 
    * @throws IOException Flush failed
    */
   void flush() throws IOException;

   /**
    * Purge persistent storage and {@link #clear}.
    * 
    * @throws IOException Purge failed
    */
   void purge() throws IOException;
}