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Java > Open Source Codes > com > sleepycat > persist > evolve > EvolveListener


1 /*-
2  * See the file LICENSE for redistribution information.
3  *
4  * Copyright (c) 2002,2006 Oracle. All rights reserved.
5  *
6  * $Id: EvolveListener.java,v 1.6 2006/10/30 21:14:31 bostic Exp $
7  */
8
9 package com.sleepycat.persist.evolve;
10
11 /**
12  * The listener interface called during eager entity evolution.
13  *
14  * @see com.sleepycat.persist.evolve Class Evolution
15  * @author Mark Hayes
16  */
17 public interface EvolveListener {
18
19     /**
20      * The listener method called during eager entity evolution.
21      *
22      * @return true to continue evolution or false to stop.
23      */
24     boolean evolveProgress(EvolveEvent event);
25 }
26
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