public async Task <MessagePayload?> MessagePayload(string messageId)
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace($"messagePayload({messageId})");
}
if (string.IsNullOrWhiteSpace(messageId))
{
throw new ArgumentException("no id");
}
//1. Try to get from cache first
var cachedPayload = MessagePayloadCache(messageId);
if (cachedPayload != null)
{
return(cachedPayload);
}
//2. Cache not found
var rawPayload = await MessageRawPayload(messageId);
var payload = await MessageRawPayloadParser(rawPayload);
CacheMessagePayload.Set(messageId, payload);
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace($"messagePayload({messageId}) cache SET");
}
return(payload);
}
#pragma warning disable CS1998 // 异步方法缺少 "await" 运算符，将以同步方式运行
protected async Task MessagePayloadDirty(string messageId)
#pragma warning restore CS1998 // 异步方法缺少 "await" 运算符，将以同步方式运行
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace($"messagePayloadDirty({messageId})");
}
CacheMessagePayload.Delete(messageId);
}
protected MessagePayload?MessagePayloadCache(string messageId)
{
if (string.IsNullOrWhiteSpace(messageId))
{
throw new ArgumentException("no id");
}
var cachedPayload = CacheMessagePayload.Get(messageId);
if (cachedPayload == null)
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace($"messagePayloadCache({messageId}) cache MISS");
}
}
return(cachedPayload);
}
