115 lines
2.7 KiB
C#
115 lines
2.7 KiB
C#
using System;
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using System.Runtime.Serialization;
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using Aitex.Core.RT.Event;
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namespace MECF.Framework.Common.Event
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{
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[Serializable]
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[DataContract]
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public class AlarmEventItem : EventItem
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{
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#region Variables
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private IAlarmHandler _alarmHandler;
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private bool _ignoreAlarm;
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#endregion
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#region Constructors
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public AlarmEventItem(string source, string name, string description, Func<bool> resetChecker, IAlarmHandler handler)
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: base(source, name, description, EventLevel.Alarm, EventType.EventUI_Notify)
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{
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ResetChecker = resetChecker;
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IsAcknowledged = true;
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_alarmHandler = handler;
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}
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#endregion
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#region Properties
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/// <summary>
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/// 设置或返回报警复位检查器。
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/// </summary>
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public Func<bool> ResetChecker { get; set; }
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#endregion
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#region Methods
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/// <summary>
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/// 设置当前报警是否可被忽略。
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/// </summary>
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/// <param name="ignore">
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/// <value>True：忽略当前报警</value>
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/// </param>
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public void SetIgnoreError(bool ignore)
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{
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if (_ignoreAlarm == ignore)
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return;
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_ignoreAlarm = ignore;
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if (ignore)
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{
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EV.PostWarningLog(Source, Source + " " + EventEnum + " error will be ignored");
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if (!IsTriggered)
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return;
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IsAcknowledged = true;
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_alarmHandler?.AlarmStateChanged(this);
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}
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else
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{
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Reset();
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}
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}
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/// <summary>
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/// 复位报警。
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/// </summary>
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/// <remarks>
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/// 报警复位后，其应答状态<see cref="EventItem.IsAcknowledged"/>将被设置为True。
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/// </remarks>
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public void Reset()
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{
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if (_ignoreAlarm || !IsTriggered || (ResetChecker != null && !ResetChecker()))
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return;
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EV.PostInfoLog(Source, Source + " " + EventEnum + " is cleared");
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IsAcknowledged = true;
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_alarmHandler?.AlarmStateChanged(this);
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}
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/// <summary>
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/// 重置报警应答状态和报警时间。
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/// </summary>
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public void Set()
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{
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Set(null);
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}
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/// <summary>
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/// 设置报警内容，并重置报警应答状态和报警时间。
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/// </summary>
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/// <param name="error">报警内容描述。</param>
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public void Set(string error)
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{
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if (_ignoreAlarm || IsTriggered)
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return;
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if (!string.IsNullOrEmpty(error))
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{
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Description = error;
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}
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IsAcknowledged = false;
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OccuringTime = DateTime.Now;
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_alarmHandler?.AlarmStateChanged(this);
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}
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#endregion
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}
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}
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