76 lines
2.7 KiB
C#
76 lines
2.7 KiB
C#
using System;
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namespace StandardScene
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{
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/// <summary>
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/// 磁条管控区放行判定结果。由信号插件「磁条交管进程」填写，Mag2Car 在 StartStop=12 停稳后消费。
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/// </summary>
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public sealed class MagControlReleaseDecision
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{
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/// <summary>当前触发点在交管表里有启用规则。false 时 Mag2Car 回退地图 <c>Fass2_ControlArea</c> 字段。</summary>
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public bool RuleFound { get; set; }
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public bool CanRelease { get; set; }
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public string AreaId { get; set; } = string.Empty;
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public int Capacity { get; set; } = 1;
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public int OthersInArea { get; set; }
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/// <summary>放行后写入本车报文的 StartStop，通常 11（管控启动）或 1（过站）。</summary>
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public byte ReleaseStartStop { get; set; } = 11;
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public string Reason { get; set; } = string.Empty;
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}
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/// <summary>
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/// Mag2Car 与信号插件之间的管控放行钩子。不让 Magnetic / Signal 互相引用。
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/// </summary>
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/// <remarks>
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/// 磁条交管进程启动时 <see cref="Register"/>，停止时 <see cref="Unregister"/>。
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/// Mag2Car 在管控停止点调用 <see cref="TryCheck"/>：有规则用表判定，没有则用地图字段。
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/// </remarks>
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public static class MagControlReleaseHook
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{
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private static readonly object Sync = new object();
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private static object _owner;
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private static Func<int, int, MagControlReleaseDecision> _check;
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/// <summary>注册判定函数。<paramref name="owner"/> 用于停止时只清自己的注册。</summary>
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public static void Register(object owner, Func<int, int, MagControlReleaseDecision> check)
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{
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if (owner == null) throw new ArgumentNullException(nameof(owner));
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lock (Sync)
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{
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_owner = owner;
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_check = check;
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}
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}
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public static void Unregister(object owner)
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{
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if (owner == null) return;
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lock (Sync)
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{
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if (!ReferenceEquals(_owner, owner))
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return;
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_owner = null;
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_check = null;
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}
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}
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/// <summary>
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/// 询问当前注册的交管进程。未注册返回 null；已注册但该触发点无规则时
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/// 返回 <see cref="MagControlReleaseDecision.RuleFound"/> = false。
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/// </summary>
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public static MagControlReleaseDecision TryCheck(int carId, int triggerSiteId)
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{
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Func<int, int, MagControlReleaseDecision> check;
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lock (Sync)
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check = _check;
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return check?.Invoke(carId, triggerSiteId);
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}
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}
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}
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