81 lines
2.6 KiB
C#
81 lines
2.6 KiB
C#
/****************************************************************
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** 文件名: ActionDelegatedEventHandler.cs
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** 主要类: ActionDelegatedEventHandler类
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** Copyright (c) 章为忠
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** 创建人:
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** 日 期: 2017.3.10
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** 修改人:
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** 日 期:
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** 修改内容：
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** 描 述:
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** 版 本:
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** 备 注:
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****************************************************************/
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using System;
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namespace Weiz.EventBus.Core
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{
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/// <summary>
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/// Represents the event handler which delegates the event handling process to
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/// a given <see cref="Action{T}"/> delegated method.
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/// </summary>
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/// <typeparam name="TEvent">The type of the event to be handled by current handler.</typeparam>
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public sealed class ActionDelegatedEventHandler<TEvent> : IEventHandler<TEvent>
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where TEvent : IEvent
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{
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#region Private Fields
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private readonly Action<TEvent> action;
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#endregion
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#region Ctor
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/// <summary>
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/// Initializes a new instance of <c>ActionDelegatedEventHandler{TEvent}</c> class.
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/// </summary>
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/// <param name="action">The <see cref="Action{T}"/> instance that delegates the event handling process.</param>
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public ActionDelegatedEventHandler(Action<TEvent> action)
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{
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this.action = action;
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}
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#endregion
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#region Public Methods
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/// <summary>
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/// Returns a <see cref="Boolean"/> value which indicates whether the current
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/// <c>ActionDelegatedEventHandler{T}</c> equals to the given object.
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/// </summary>
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/// <param name="obj">The <see cref="Object"/> which is used to compare to
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/// the current <c>ActionDelegatedEventHandler{T}</c> instance.</param>
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/// <returns>If the given object equals to the current <c>ActionDelegatedEventHandler{T}</c>
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/// instance, returns true, otherwise, false.</returns>
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public override bool Equals(object obj)
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{
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if (ReferenceEquals(this, obj))
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return true;
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if (obj == null)
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return false;
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ActionDelegatedEventHandler<TEvent> other = obj as ActionDelegatedEventHandler<TEvent>;
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if (other == null)
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return false;
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return Delegate.Equals(this.action, other.action);
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}
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#endregion
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#region IHandler<TDomainEvent> Members
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/// <summary>
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/// Handles the specified message.
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/// </summary>
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/// <param name="message">The message to be handled.</param>
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public void Handle(TEvent message)
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{
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action(message);
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}
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#endregion
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}
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}
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