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/***************************************************************************
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  Title:      GraphBrowser/DummyVertex.java
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  ID:         $Id$
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  Author:     Stefan Berghofer, TU Muenchen
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  Copyright   1997  TU Muenchen
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  This class represents a dummy vertex, which is used to simplify the
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  layout algorithm.
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***************************************************************************/
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package GraphBrowser;
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import java.awt.*;
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class DummyVertex extends Vertex {
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	public boolean isDummy() {return true;}
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	public Object clone() {
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		Vertex ve=new DummyVertex();
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		ve.setX(getX());ve.setY(getY());
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		return ve;
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	}
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	public int leftX() { return getX(); }
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	public int rightX() { return getX(); }
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	public void draw(Graphics g) {}
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}
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