/*
 * (C) 2007-2012 Alibaba Group Holding Limited.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * Authors:
 *   wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
 */
package com.taobao.metamorphosis.tools.query;

import java.util.Scanner;


public class ConsoleThread extends Thread {
    Scanner scanner = null;
    Query query = null;
    CommandParser parser = null;


    public ConsoleThread(Query query) {
        setName("ConsoleTrehad");
        this.query = query;
        parser = new CommandParser(query);
        parser.printHelp();
        scanner = new Scanner(System.in);
    }


    public void run() {
        String command = null;
        while (true) {
            print();
            command = scanner.nextLine();
            int result = parser.prase(command);
            if (result == -1) {
                break;
            }
        }
    }


    private void print() {
        System.out.print("meta shell : ");
    }

}