/*
 * @(#)SayGoodByeToNood.java $version Nov 6, 2015
 *
 * Copyright 2015 [NOBODY] All rights Reserved.
 * [NOBODY] PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

public class SayGoodByeToNood {
    /**
     * 问题内部类
     */
    private class Problem{
        public Problem(String problemName){
            this.problemName = problemName;
        }
        private Problem(){

        }
        /**
         * 问题名称
         */
        private String problemName;
        /**
         * 问题所产生子问题
         */
        private Problem childProblem;
        /**
         * 问题是否掌握
         */
        private boolean problemHoldFlag;
        /**
         * 问题是否感兴趣
         */
        private boolean problemInterestFlag;
        /**
         * 判断下级关联问题
         */
        public boolean hasChild(){
            if (childProblem==null) {
                return false;
            }
            return true;
        }
        /**
         * getter setter
         */
        public String getProblemName() {
            return problemName;
        }
        public void setProblemName(String problemName) {
            this.problemName = problemName;
        }
        public Problem getChildProblem() {
            return childProblem;
        }
        public void setChildProblem(Problem childProblem) {
            this.childProblem = childProblem;
        }
        public boolean isProblemHoldFlag() {
            return problemHoldFlag;
        }
        public void setProblemHoldFlag(boolean problemHoldFlag) {
            this.problemHoldFlag = problemHoldFlag;
        }
        public boolean isProblemInterestFlag() {
            return problemInterestFlag;
        }
        public void setProblemInterestFlag(boolean problemInterestFlag) {
            this.problemInterestFlag = problemInterestFlag;
        }
    }
    /**
     * 菜鸟逃脱
     */
    private void jump(Problem problem){
        if (problem.problemHoldFlag) {
            System.out.println("我对"+problem.getProblemName()+"【有】掌握");
            return ;
        }else {
            System.out.println("我对"+problem.getProblemName()+"【没】掌握");
            if (problem.isProblemInterestFlag()) {
                System.out.println("我对"+problem.getProblemName()+"【有】兴趣");
                if (problem.hasChild()) {
                    System.out.println(problem.getProblemName()+"【有】关联问题【"+problem.getChildProblem().getProblemName()+"】");
                    jump(problem.getChildProblem());
                }else {
                    System.out.println(problem.getProblemName()+"【没】关联问题");
                }
            } else {
                System.out.println("我对"+problem.getProblemName()+"【没】兴趣");
                return ;
            }
        }
    }
    /**
     * 生成问题关系
     */
    private Problem makeProblem(){
        SayGoodByeToNood.Problem pA = new SayGoodByeToNood.Problem("A");
        SayGoodByeToNood.Problem pB = new SayGoodByeToNood.Problem("B");
        SayGoodByeToNood.Problem pC = new SayGoodByeToNood.Problem("C");
        SayGoodByeToNood.Problem pD = new SayGoodByeToNood.Problem("D");
        SayGoodByeToNood.Problem pE = new SayGoodByeToNood.Problem("E");

        pA.setChildProblem(pB);
        pA.setChildProblem(pE);
        pA.setProblemInterestFlag(true);
        pA.setProblemHoldFlag(false);
        pE.setProblemInterestFlag(true);
        pE.setProblemHoldFlag(false);
        pC.setProblemInterestFlag(false);
        pC.setProblemHoldFlag(false);
        pD.setProblemInterestFlag(true);
        pD.setProblemHoldFlag(false);
        pB.setChildProblem(pC);
        pB.setChildProblem(pD);
        pB.setProblemInterestFlag(true);
        pB.setProblemHoldFlag(false);
        return pA;
    }

    public static void main(String[] args) {
        SayGoodByeToNood nood = new SayGoodByeToNood();
        Problem problem = nood.makeProblem();
        nood.jump(problem);
    }

}