abstractprepostvisitor.cs

来自「Data Structures and Algorithms with Obj」· CS 代码 · 共 36 行

namespace Opus6
{
    using System;

    [Copyright("Copyright (c) 2001 by Bruno R. Preiss, P.Eng."), Version("$Id: AbstractPrePostVisitor.cs,v 1.3 2001/09/11 12:04:04 brpreiss Exp $")]
    public abstract class AbstractPrePostVisitor : PrePostVisitor
    {
        protected AbstractPrePostVisitor()
        {
        }

        public virtual void InVisit(object obj)
        {
        }

        public virtual void PostVisit(object obj)
        {
        }

        public virtual void PreVisit(object obj)
        {
        }


        public virtual bool IsDone
        {
            get
            {
                return false;
            }
        }

    }
}