src/org/apache/xpath/XPathVisitable.java

/*
 * The Apache Software License, Version 1.1
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 * Copyright (c) 2002 The Apache Software Foundation.  All rights 
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 * originally based on software copyright (c) 1999, Lotus
 * Development Corporation., http://www.lotus.com.  For more
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package org.apache.xpath;

/**
 * A class that implements this interface will call a XPathVisitor 
 * for itself and members within it's heararchy.  If the XPathVisitor's 
 * method returns false, the sub-member heararchy will not be 
 * traversed.
 */
public interface XPathVisitable
{
	/**
	 * This will traverse the heararchy, calling the visitor for 
	 * each member.  If the called visitor method returns 
	 * false, the subtree should not be called.
	 * 
	 * @param owner The owner of the visitor, where that path may be 
	 *              rewritten if needed.
	 * @param visitor The visitor whose appropriate method will be called.
	 */
	public void callVisitors(ExpressionOwner owner, XPathVisitor visitor);
}