/*
 * @(#)$Id: AttPoolClause.java,v 1.6 2001/05/16 20:11:28 Bear Exp $
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
package com.sun.msv.grammar.relax;

import com.sun.msv.grammar.Expression;
import com.sun.msv.grammar.ReferenceExp;

/**
 * 'attPool'  of RELAX module.
 * 
 * ReferenceExp.exp contains a sequence of AttributeExp.
 * 
 * @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
 */
public class AttPoolClause extends ReferenceExp implements Exportable {
	
	protected AttPoolClause( String role )	{ super(role); }

	/**
	 * a flag that indicates this elementRule is exported and
	 * therefore accessible from other modules.
	 */
	public boolean exported = false;
	public boolean isExported() { return exported; }
	
	public Object visit( RELAXExpressionVisitor visitor ) {
		return visitor.onAttPool(this);
	}

	public Expression visit( RELAXExpressionVisitorExpression visitor ) {
		return visitor.onAttPool(this);
	}
	
	public boolean visit( RELAXExpressionVisitorBoolean visitor ) {
		return visitor.onAttPool(this);
	}

	public void visit( RELAXExpressionVisitorVoid visitor ) {
		visitor.onAttPool(this);
	}
}