/* * Copyright (C) 2007 Sun Microsystems, Inc. All rights reserved. Use is * subject to license terms. * *//* Generated By:JJTree: Do not edit this line. Node.java */ package org.jdesktop.el.impl.parser; import org.jdesktop.el.ELException; import org.jdesktop.el.MethodInfo; import org.jdesktop.el.impl.lang.EvaluationContext; /* All AST nodes must implement this interface. It provides basic machinery for constructing the parent and child relationships between nodes. */ /** * @author Jacob Hookom [jacob@hookom.net] * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: kchung $ */ public interface Node { /** This method is called after the node has been made the current node. It indicates that child nodes can now be added to it. */ public void jjtOpen(); /** This method is called after all the child nodes have been added. */ public void jjtClose(); /** This pair of methods are used to inform the node of its parent. */ public void jjtSetParent(Node n); public Node jjtGetParent(); /** This method tells the node to add its argument to the node's list of children. */ public void jjtAddChild(Node n, int i); /** This method returns a child node. The children are numbered from zero, left to right. */ public Node jjtGetChild(int i); /** Return the number of children the node has. */ public int jjtGetNumChildren(); public String getImage(); public Object getValue(EvaluationContext ctx) throws ELException; public void setValue(EvaluationContext ctx, Object value) throws ELException; public Class getType(EvaluationContext ctx) throws ELException; public boolean isReadOnly(EvaluationContext ctx) throws ELException; public void accept(NodeVisitor visitor) throws ELException; public MethodInfo getMethodInfo(EvaluationContext ctx, Class[] paramTypes) throws ELException; public Object invoke(EvaluationContext ctx, Class[] paramTypes, Object[] paramValues) throws ELException; }