45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Mail;
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using System.Text;
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using System.Threading.Tasks;
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namespace Firebird2D.EventPipelines
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{
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public class Pipeline <T> : I_Pipeline where T : EventArgs
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{
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public object PipelineMaster { get; }
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private event EventHandler<T>? OnEvent;
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public Pipeline(object pipelineMaster)
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{
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PipelineMaster = pipelineMaster;
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}
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public bool IsEventEmpty { get { return OnEvent != null; } }
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public void Subscribe(Delegate handler)
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{
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OnEvent += (EventHandler<T>)handler;
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}
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public void Unsubscribe(Delegate handler)
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{
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OnEvent -= (EventHandler<T>)handler;
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}
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public void SendEvent(object sender, T args)
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{
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if (sender == null || args == null) throw new ArgumentNullException(nameof(sender));
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if (args is not T) throw new ArgumentException($"Invalid EventArgs type. Expected {typeof(T)}");
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if (sender.Equals(PipelineMaster)) throw new InvalidDataException("Only the pipeline master is allowed to send events through this pipeline.");
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OnEvent?.Invoke(sender, args);
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}
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}
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}
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