java source code of SelectItemVisitorImpl

package com.holyliao.visitor;

import net.sf.jsqlparser.statement.select.AllColumns;
import net.sf.jsqlparser.statement.select.AllTableColumns;
import net.sf.jsqlparser.statement.select.SelectExpressionItem;
import net.sf.jsqlparser.statement.select.SelectItemVisitor;

public class SelectItemVisitorImpl implements SelectItemVisitor {

    @Override
    public void visit(AllColumns allColumns) {
    }

    @Override
    public void visit(AllTableColumns allTableColumns) {
    }

    @Override
    public void visit(SelectExpressionItem selectExpressionItem) {
        selectExpressionItem.getExpression().accept(new ExpressionVisitorImpl());
    }

}