/// <summary>
/// 发布消息
/// </summary>
public virtual Action <object[]> GetExecutionStrategy()
{
Action <MessageSender, TMessage> action = this.Action;
Predicate <TMessage> filter = this.Filter;
if (action != null && filter != null)
{
return(arguments =>
{
MessageSender argument1 = null;
TMessage argument2 = default(TMessage);
if (arguments != null && arguments.Length > 0 && arguments[0] != null && arguments[1] != null)
{
argument1 = (MessageSender)arguments[0];
argument2 = (TMessage)arguments[1];
}
if (filter(argument2))
{
InvokeAction(action, argument1, argument2);
}
});
}
return(null);
}
/// <summary>
/// 发布MessageEnvelope<TMessage>
/// </summary>
/// <param name="payload">传递给订阅者的消息对象</param>
public virtual void Publish(MessageSender sender, TMessage message)
{
base.InternalPublish(sender, message);
}
/// <summary>
/// 用线程池执行action
/// </summary>
/// <param name="action">Action</param>
/// <param name="argument1">MessageSender</param>
/// <param name="argument2">TMessage</param>
public override void InvokeAction(Action <MessageSender, TMessage> action, MessageSender argument1, TMessage argument2)
{
ThreadPool.QueueUserWorkItem((o) => action(argument1, argument2));
}
/// <summary>
/// 在UI线程上回调动作action
/// </summary>
/// <param name="action">动作action</param>
/// <param name="argument1">MessageSender</param>
/// <param name="argument2">TMessage</param>
public override void InvokeAction(Action <MessageSender, TMessage> action, MessageSender argument1, TMessage argument2)
{
dispatcher.BeginInvoke(action, argument1, argument2);
}