//
// 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;
}