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/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
*
* This program and the accompanying materials are made available under
* the terms of the Common Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/cpl-v10.html
*
* $Id: IMergeable.java,v 1.1.1.1 2004/05/09 16:57:31 vlad_r Exp $
*/
package com.vladium.emma.data;
import java.io.Serializable;
// ----------------------------------------------------------------------------
/**
* @author Vlad Roubtsov, (C) 2003
*/
public
interface IMergeable extends Serializable
{
// public: ................................................................
boolean isEmpty ();
/**
* Caller must always switch to the returned handle.
*/
IMergeable merge (IMergeable data);
} // end of interface
// ----------------------------------------------------------------------------
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