[1146] | 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Text;
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| 4 |
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| 5 | using IndianHealthService.BMXNet.Services;
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| 6 | using IndianHealthService.BMXNet.WinForm.Model;
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| 7 |
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| 8 | namespace IndianHealthService.BMXNet.WinForm.Services
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| 9 | {
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| 10 | internal class EventRegistry
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| 11 | {
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| 12 |
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| 13 | private Log _logger = new NullLog();
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| 14 |
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| 15 | public Log Logger
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| 16 | {
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| 17 | get { return _logger; }
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| 18 | set { _logger = value; }
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| 19 | }
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| 20 |
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| 21 | private Dictionary<String, List<WinSession>> _registry = new Dictionary<string, List<WinSession>>();
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| 22 |
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| 23 | public Dictionary<String, List<WinSession>> Registry
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| 24 | {
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| 25 | get { return _registry; }
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| 26 | set { _registry = value; }
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| 27 | }
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| 28 |
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| 29 | public void Subscribe(String anEvent, WinSession aReceiver)
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| 30 | {
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| 31 | this.Logger.Log("Event", "Subscribing", aReceiver.ToString() + " subsribed to " + anEvent);
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| 32 | List<WinSession> registrations = null;
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| 33 |
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| 34 | if (!this.Registry.TryGetValue(anEvent, out registrations))
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| 35 | {
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| 36 | registrations = new List<WinSession>();
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| 37 | this.Registry[anEvent] = registrations;
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| 38 | }
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| 39 |
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| 40 | if (registrations.Contains(aReceiver))
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| 41 | {
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| 42 | this.Logger.Log("Event", "Subscribing", aReceiver.ToString() + " OVER-subscribed to " + anEvent);
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| 43 |
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| 44 | }
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| 45 | else
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| 46 | {
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| 47 | registrations.Add(aReceiver);
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| 48 | this.Logger.Log("Event", "Subscribing", aReceiver.ToString() + " subscribed to " + anEvent);
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| 49 |
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| 50 | }
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| 51 | }
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| 52 |
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| 53 | public bool HasSubscribers(string anEvent)
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| 54 | {
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| 55 | List<WinSession> registrations = null;
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| 56 |
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| 57 | if (this.Registry.TryGetValue(anEvent, out registrations))
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| 58 | {
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| 59 | return registrations.Count > 0;
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| 60 | }
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| 61 | else
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| 62 | {
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| 63 | return false;
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| 64 | }
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| 65 | }
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| 66 |
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| 67 |
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| 68 | public void Unsubscribe(String anEvent, WinSession aReceiver)
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| 69 | {
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| 70 | List<WinSession> registrations = null;
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| 71 |
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| 72 | if (this.Registry.TryGetValue(anEvent, out registrations))
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| 73 | {
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| 74 | if (registrations.Contains(aReceiver))
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| 75 | {
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| 76 | this.Logger.Log("Event", "Subscription", aReceiver.ToString() + " unsubscribed to " + anEvent);
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| 77 | registrations.Remove(aReceiver);
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| 78 | }
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| 79 | else
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| 80 | {
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| 81 | this.Logger.Log("Event", "Subscription", aReceiver.ToString() + " UNDER-subscribed to " + anEvent);
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| 82 | }
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | public void TriggerEvent(string anEvent, string aStub)
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| 87 | {
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| 88 | List<WinSession> registrations = null;
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| 89 | this.Logger.Log("BMX WIN", "Local Events", anEvent + " ," + aStub);
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| 90 |
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| 91 | if (this.Registry.TryGetValue(anEvent, out registrations))
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| 92 | {
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| 93 | foreach (WinSession each in registrations)
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| 94 | {
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| 95 | this.Logger.Log("BMX WIN", "Local Events", each.ToString() + " was called for " + anEvent + "::" + aStub);
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| 96 | each.IncomingEventCallback(anEvent, aStub);
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| 97 | }
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| 98 | }
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| 99 | }
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| 100 |
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| 101 | }
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| 102 | }
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