chutian_terminal/data_buffer/central_control_data_buffer.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using tool;
namespace chutian_parking_terminal.data_buffer
{
    class Central_control_data_buffer:Singleton<Central_control_data_buffer>
    {
        private Central_control_data_buffer()
        {
        }
        public void central_control_data_buffer_init()
        {
            m_storing_process_statu_msg = new Message.Storing_process_statu_msg();
            m_picking_process_statu_msg = new Message.Picking_process_statu_msg();
            m_has_storing_process_statu_msg = false;
            m_has_picking_process_statu_msg = false;
        }
        public bool has_storing_process_statu_msg()
        {
            return m_has_storing_process_statu_msg;
        }
        public bool has_picking_process_statu_msg()
        {
            return m_has_picking_process_statu_msg;
        }
        //设置2条消息
        public void set_storing_process_statu_msg(Message.Storing_process_statu_msg msg)
        {
            lock (m_data_lock)
            {
                m_storing_process_statu_msg = msg;
            }
            m_has_storing_process_statu_msg = true;

        }
        public void set_picking_process_statu_msg(Message.Picking_process_statu_msg msg)
        {
            lock (m_data_lock)
            {
                m_picking_process_statu_msg = msg;
            }
            m_has_picking_process_statu_msg = true;
        }
        //获取2条消息
        public Message.Storing_process_statu_msg get_storing_process_statu_msg()
        {
            lock (m_data_lock)
            {
                return m_storing_process_statu_msg;
            }
        }
        public Message.Picking_process_statu_msg get_picking_process_statu_msg()
        {
            lock (m_data_lock)
            {
                return m_picking_process_statu_msg;
            }
        }
        //数据锁
        //作用：将会锁住代码块的内容，并阻止其他线程进入该代码块，直到该代码块运行完成，释放该锁。
        //注意：定义的锁对象应该是 私有的，静态的，只读的，引用类型的对象，这样可以防止外部改变锁对象
        private static readonly object m_data_lock = new object();
        //停车流程消息
        private Message.Storing_process_statu_msg m_storing_process_statu_msg;
        //取车流程消息
        private Message.Picking_process_statu_msg m_picking_process_statu_msg;
        //是否被赋值过（是否是有效数据）
        private bool m_has_storing_process_statu_msg;
        private bool m_has_picking_process_statu_msg;

    }
}