public static (string, MonikerVersionPartId) ToGrainKey(this MonikerVersionId monikerId)
{
var(grainKey, monikerVersionPartId) =
($"{monikerId.Id.Key}||{monikerId.Version}",
new MonikerVersionPartId
{
Id = monikerId.Id,
Version = monikerId.Version
});
return(grainKey, monikerVersionPartId);
}
public async Task <DataSourceGetResponse> GetAsync([Required] string key, int version)
{
var requestUid = Guid.NewGuid().ToString(); // TODO: Bind the UID to the request
_logger.LogInformation($"Started processing Get request: '{requestUid}' from '{Request.HttpContext.Connection.RemoteIpAddress}:{Request.HttpContext.Connection.RemotePort}'");
var monikerVersionId = new MonikerVersionId
{
Id = new MonikerIdentifier {
Key = key
},
Version = (ulong)version,
Timestamp = DateTimeOffset.Now.ToPointInTime()
};
try
{
var(grainKey, monikerVersionPartId) = monikerVersionId.ToGrainKey();
var result = await Task.Run(() => _orleansClient.GetGrain <ICacheItemGrain>(grainKey).GetAsync(monikerVersionPartId));
var storedValue = result.FirstOrDefault();
return(result != null
? new DataSourceGetResponse {
Success = storedValue
}
: new DataSourceGetResponse {
NotFound = new MonikerId {
Version = monikerVersionId
}
});
}
catch (Exception e)
{
_logger.LogError($"{e} while processing: '{requestUid}' from '{Request.HttpContext.Connection.RemoteIpAddress}:{Request.HttpContext.Connection.RemotePort}'");
return(new DataSourceGetResponse {
Error = new CacheError {
Error = new InternalError {
StorageError = e.Message
}
}
});
// throw;
}
finally
{
_logger.LogInformation($"Finished processing Get request: '{requestUid}' from '{Request.HttpContext.Connection.RemoteIpAddress}:{Request.HttpContext.Connection.RemotePort}'");
}
}
