Files
DMS/DMS.Application/Services/EventService.cs
David P.G a6fc543e4f 1 feat(mqtt): 实现MQTT服务器状态管理与事件系统
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    3 1. 在MqttServer和MqttServerDto模型中添加IsConnect属性,用于跟踪连接状态
    4 2. 重构MqttManagementService服务,使用事件驱动方式管理服务器状态变化
    5 3. 实现MqttServerChangedEventArgs事件参数类,支持区分不同变更类型
    6 4. 在IEventService中添加OnMqttServerChanged事件,实现事件通知机制
    7 5. 优化数据存储结构,将MqttServers从ObservableCollection改为ObservableDictionary
    8 6. 更新MqttServiceManager以正确处理连接状态和事件触发
    9 7. 在WPF层更新UI以响应服务器状态变化
   10 8. 删除不再需要的Helper类(DataServicesHelper, MessageHelper, SiemensHelper)
   11 9. 在NLog配置中添加调试器输出目标以便调试
   12 10. 完善VariableHistoryViewModel防止空引用异常
2025-10-05 00:28:25 +08:00

164 lines
4.8 KiB
C#

using System;
using DMS.Application.Events;
using DMS.Application.Interfaces;
using DMS.Core.Events;
namespace DMS.Application.Services;
/// <summary>
/// 事件服务实现类,用于统一管理应用程序中的各种事件
/// </summary>
public class EventService : IEventService
{
private readonly IAppDataStorageService _appDataStorageService;
public EventService(IAppDataStorageService appDataStorageService)
{
_appDataStorageService = appDataStorageService;
}
#region
/// <summary>
/// 设备状态改变事件(统一事件,处理激活状态和连接状态变化)
/// </summary>
public event EventHandler<DeviceStateChangedEventArgs> OnDeviceStateChanged;
/// <summary>
/// 设备添加事件
/// </summary>
public event EventHandler<DeviceChangedEventArgs> OnDeviceChanged;
/// <summary>
/// 触发设备状态改变事件(统一事件)
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">设备状态改变事件参数</param>
public void RaiseDeviceStateChanged(object sender, DeviceStateChangedEventArgs e)
{
OnDeviceStateChanged?.Invoke(sender, e);
}
/// <summary>
/// 触发设备添加事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">设备变更事件参数</param>
public void RaiseDeviceChanged(object sender, DeviceChangedEventArgs e)
{
OnDeviceChanged?.Invoke(sender, e);
}
#endregion
#region
/// <summary>
/// 变量表改变事件
/// </summary>
public event EventHandler<VariableTableChangedEventArgs> OnVariableTableChanged;
/// <summary>
/// 触发变量表改变事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">变量表改变事件参数</param>
public void RaiseVariableTableChanged(object sender, VariableTableChangedEventArgs e)
{
OnVariableTableChanged?.Invoke(sender, e);
}
/// <summary>
/// 变量值改变事件
/// </summary>
public event EventHandler<VariableChangedEventArgs> OnVariableChanged;
/// <summary>
/// 触发变量值改变事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">变量值改变事件参数</param>
public void RaiseVariableChanged(object sender, VariableChangedEventArgs e)
{
OnVariableChanged?.Invoke(sender, e);
}
/// <summary>
/// 变量启停改变事件
/// </summary>
public event EventHandler<VariablesActiveChangedEventArgs> OnVariableActiveChanged;
public void RaiseVariableActiveChanged(object sender, VariablesActiveChangedEventArgs e)
{
OnVariableActiveChanged?.Invoke(sender, e);
}
/// <summary>
/// 批量导入变量事件
/// </summary>
public event EventHandler<BatchImportVariablesEventArgs> OnBatchImportVariables;
/// <summary>
/// 触发批量导入变量事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">批量导入变量事件参数</param>
public void RaiseBatchImportVariables(object sender, BatchImportVariablesEventArgs e)
{
OnBatchImportVariables?.Invoke(sender, e);
}
/// <summary>
/// 变量值改变事件
/// </summary>
public event EventHandler<VariableValueChangedEventArgs> OnVariableValueChanged;
/// <summary>
/// 触发变量值改变事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">变量值改变事件参数</param>
public void RaiseVariableValueChanged(object sender, VariableValueChangedEventArgs e)
{
OnVariableValueChanged?.Invoke(sender, e);
}
#endregion
#region MQTT事件
/// <summary>
/// MQTT连接状态改变事件
/// </summary>
public event EventHandler<MqttConnectionChangedEventArgs> MqttConnectionChanged;
/// <summary>
/// 触发MQTT连接状态改变事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">MQTT连接状态改变事件参数</param>
public void RaiseMqttConnectionChanged(object sender, MqttConnectionChangedEventArgs e)
{
MqttConnectionChanged?.Invoke(sender, e);
}
/// <summary>
/// MQTT服务器改变事件
/// </summary>
public event EventHandler<MqttServerChangedEventArgs> OnMqttServerChanged;
/// <summary>
/// 触发MQTT服务器改变事件
/// </summary>
/// <param name="sender">事件发送者</param>
/// <param name="e">MQTT服务器改变事件参数</param>
public void RaiseMqttServerChanged(object sender, MqttServerChangedEventArgs e)
{
OnMqttServerChanged?.Invoke(sender, e);
}
#endregion
}