// // Generated by JTB 1.3.2 // package org.jboss.seam.remoting.annotationparser.syntaxtree; /** * Represents an grammar optional node, e.g. ( A )? or [ A ] */ public class NodeOptional implements Node { public NodeOptional() { node = null; } public NodeOptional(Node n) { addNode(n); } public void addNode(Node n) { if ( node != null) // Oh oh! throw new Error("Attempt to set optional node twice"); node = n; } public void accept(org.jboss.seam.remoting.annotationparser.visitor.Visitor v) { v.visit(this); } public <R,A> R accept(org.jboss.seam.remoting.annotationparser.visitor.GJVisitor<R,A> v, A argu) { return v.visit(this,argu); } public <R> R accept(org.jboss.seam.remoting.annotationparser.visitor.GJNoArguVisitor<R> v) { return v.visit(this); } public <A> void accept(org.jboss.seam.remoting.annotationparser.visitor.GJVoidVisitor<A> v, A argu) { v.visit(this,argu); } public boolean present() { return node != null; } public Node node; }