/// <summary>
/// 根据指定编号异步获取Ticker对象的操作
/// </summary>
/// <param name="coinType">币种编号</param>
/// <param name="platformType">平台编号</param>
/// <returns>返回执行结果</returns>
public async Task <IExecuteResult> GetTickerAsync(CoinTypes coinType, PlatformTypes platformType)
{
MetadataMessageTransaction transaction = SystemWorker.Instance.CreateMetadataTransaction("CoinAPI");
MetadataContainer reqMsg = new MetadataContainer();
reqMsg.SetAttribute(0x00, new MessageIdentityValueStored(new MessageIdentity
{
ProtocolId = 1,
ServiceId = 0,
DetailsId = 0
}));
reqMsg.SetAttribute(0x0F, new ByteValueStored((byte)coinType));
reqMsg.SetAttribute(0x10, new ByteValueStored((byte)platformType));
TaskCompletionSource <IExecuteResult> completionSource = new TaskCompletionSource <IExecuteResult>();
Task <IExecuteResult> task = completionSource.Task;
transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs <MetadataContainer> e)
{
MetadataContainer rspMsg = e.Target;
completionSource.SetResult((!rspMsg.IsAttibuteExsits(0x0A))
? (rspMsg.GetAttribute(0x0F).GetValue <ResourceBlock>() == null
? ExecuteResult.Succeed(null)
: ExecuteResult.Succeed(ConverterFactory.GetTickerConverter().ConvertToDomainObject(rspMsg.GetAttribute(0x0F).GetValue <ResourceBlock>())))
: ExecuteResult.Fail(rspMsg.GetAttribute(0x0A).GetValue <byte>(), rspMsg.GetAttribute(0x0B).GetValue <string>()));
};
transaction.Timeout += delegate { completionSource.SetResult(ExecuteResult.Fail(SystemErrors.Timeout, string.Format("[Async Handle] Transaction: {0} execute timeout!", transaction.Identity))); };
transaction.Failed += delegate { completionSource.SetResult(ExecuteResult.Fail(SystemErrors.Unknown, string.Format("[Async Handle] Transaction: {0} execute failed!", transaction.Identity))); };
transaction.SendRequest(reqMsg);
return(await task);
}
protected override void DoBussiness(MetadataContainer reqMsg, MetadataMessageTransaction transaction)
{
CoinTypes coinType = (CoinTypes)reqMsg.GetAttribute(0x0F).GetValue <byte>();
PlatformTypes platformType = (PlatformTypes)reqMsg.GetAttribute(0x10).GetValue <byte>();
IExecuteResult executeResult = CacheManager.Instance.GetValue(coinType, platformType);
if (executeResult.State != ExecuteResults.Succeed)
{
transaction.SendResponse(GetErrorResponseMessage(SystemErrors.Unknown, executeResult.Error));
}
else
{
ResourceBlock rspCampaignData = ConverterFactory.GetTickerConverter().ConvertToNetworkObject(executeResult.GetResult <Ticker>());
transaction.SendResponse(GetSucceedResponseMessage(rspCampaignData));
}
}
