package com.example.xiaoshiweixinback.business.utils.parseQueryToTree;

public class treeNode {
    treeNode Left ;
    treeNode Right;

    public void setLeft(treeNode node){
        this.Left = node;
    }

    public treeNode getLeft(){
        return Left;
    }

    public void setRight(treeNode node){
        this.Right = node;
    }

    public treeNode getRight(){
        return Right;
    }

    public String ToString(){
        return "";
    }

    public treeNode AND(treeNode expressNode)
    {
        operateNode AndNode = new operateNode();
        AndNode.operate = (operate)expressManager.getInstance().getSymbol("and");
        AndNode.Left = this;
        AndNode.Right = expressNode;
        return AndNode;
    }

    public treeNode OR(treeNode expressNode)
    {
        operateNode retNode = new operateNode();
        retNode.operate = (operate) expressManager.getInstance().getSymbol("or");
        retNode.Left = this;
        retNode.Right = expressNode;
        return retNode;
    }

    public treeNode NOT(treeNode expressNode) 
    {
        operateNode AndNode = new operateNode();
        AndNode.operate = (operate) expressManager.getInstance().getSymbol("AND");
        AndNode.Left = this;

        operateNode NotNode = new operateNode();
        AndNode.operate = (operate) expressManager.getInstance().getSymbol("not");
        AndNode.Right = expressNode;

        AndNode.Right = NotNode;
        return AndNode;
    }
}