/// <summary>
/// 常见Messanger抽象类
/// </summary>
/// <param name="option"></param>
protected Messenger(MessengerOption option)
{
this.Option = option;
// 初始化i18n模块
I18NOption i18NOption = new I18NOption(typeof(Messenger).Assembly, "i18n_messenger_zh", "i18n_messenger_en")
{
Name = UtilityConstants.MessengerName
};
I18N.InitInstance(i18NOption);
this._messageDispatcher = new MessageDispatcher(this);
}
public JsonMessageFormatter(MessengerOption option, Encoding encoding)
{
this.encoding = encoding;
this._option = option;
_serializerSettings = new JsonSerializerSettings()
{
NullValueHandling = NullValueHandling.Include,
DateFormatHandling = DateFormatHandling.IsoDateFormat,
DateFormatString = CommonConst.GlobalTimeFormat,
DateParseHandling = DateParseHandling.None
};
}
/// <summary>
/// 使用option获取已配置的信使类
/// </summary>
public static Messenger GetMessenger(MessengerOption option)
{
Messenger messenger = null;
//此处不存在并发写入的同一个元素的情况，所以未加锁保护
if (null != (messenger = _messengers.FirstOrDefault(item => item.Option.Equals(option))))
{
return(messenger);
}
lock (_lock)
{
Thread.MemoryBarrier();
if (null != (messenger = _messengers.FirstOrDefault(item => item.Option.Equals(option))))
{
return(messenger);
}
switch (option.Type)
{
case MessengerType.MSMQ:
messenger = new MsmqMessenger(option);
break;
case MessengerType.Kafka:
// TODO 待实现
throw new NotImplementedException();
break;
default:
throw new NotImplementedException();
break;
}
messenger.Initialize();
_messengers.Add(messenger);
return(messenger);
}
}
/// <summary>
/// 判断两个Option是否相等
/// </summary>
/// <param name="comparer">待比较对象</param>
public bool Equals(MessengerOption comparer)
{
return(this.Path.Equals(comparer.Path) && this.HostAddress.Equals(comparer.HostAddress) &&
this.Type == comparer.Type);
}
/// <summary>
/// 是否包含某个Messenger的声明
/// </summary>
public static bool Exist(MessengerOption option)
{
return(null != _messengers.FirstOrDefault(item => item.Option.Equals(option)));
}
