/// <summary>
/// Perform a single POST requst containing multiple nested GET requests
/// </summary>
public Task <GetResponse[]> MultiGetAsync(GetRequest[] requests)
{
var multiGetOperation = new MultiGetOperation(this, convention, url, requests);
var httpJsonRequest = jsonRequestFactory.CreateHttpJsonRequest(this, multiGetOperation.RequestUri, "POST",
credentials, convention);
var requestsForServer = multiGetOperation.PreparingForCachingRequest(jsonRequestFactory);
var postedData = JsonConvert.SerializeObject(requestsForServer);
if (multiGetOperation.CanFullyCache(jsonRequestFactory, httpJsonRequest, postedData))
{
var cachedResponses = multiGetOperation.HandleCachingResponse(new GetResponse[requests.Length], jsonRequestFactory);
return(Task.Factory.StartNew(() => cachedResponses));
}
return(Task.Factory.FromAsync(httpJsonRequest.BeginWrite, httpJsonRequest.EndWrite, postedData, null)
.ContinueWith(
task =>
{
task.Wait(); // will throw on error
return httpJsonRequest.ReadResponseStringAsync()
.ContinueWith(replyTask =>
{
var responses = JsonConvert.DeserializeObject <GetResponse[]>(replyTask.Result);
return multiGetOperation.HandleCachingResponse(responses, jsonRequestFactory);
})
;
})
.Unwrap());
}
private async Task <bool> ExecuteLazyOperationsSingleStep(ResponseTimeInformation responseTimeInformation, List <GetRequest> requests, CancellationToken token = default)
{
var multiGetOperation = new MultiGetOperation(this);
var multiGetCommand = multiGetOperation.CreateRequest(requests);
await RequestExecutor.ExecuteAsync(multiGetCommand, Context, sessionInfo : SessionInfo, token : token).ConfigureAwait(false);
var responses = multiGetCommand.Result;
for (var i = 0; i < PendingLazyOperations.Count; i++)
{
var response = responses[i];
response.Headers.TryGetValue(Constants.Headers.RequestTime, out string tempReqTime);
long.TryParse(tempReqTime, out long totalTime);
responseTimeInformation.DurationBreakdown.Add(new ResponseTimeItem
{
Url = requests[i].UrlAndQuery,
Duration = TimeSpan.FromMilliseconds(totalTime)
});
if (response.RequestHasErrors())
{
throw new InvalidOperationException("Got an error from server, status code: " + (int)response.StatusCode + Environment.NewLine + response.Result);
}
PendingLazyOperations[i].HandleResponse(response);
if (PendingLazyOperations[i].RequiresRetry)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Retrieves multiple items from the cache.
/// </summary>
/// <param name="keys">The list of identifiers for the items to retrieve.</param>
/// <param name="casValues">The CAS values for the keys.</param>
/// <returns>a Dictionary holding all items indexed by their key.</returns>
public IDictionary <string, object> Get(IEnumerable <string> keys, out IDictionary <string, ulong> casValues)
{
using (MultiGetOperation mgo = new MultiGetOperation(this.pool, keys))
{
mgo.Execute();
casValues = mgo.CasValues ?? new Dictionary <string, ulong>();
return(mgo.Result ?? new Dictionary <string, object>());
}
}
private bool ExecuteLazyOperationsSingleStep(ResponseTimeInformation responseTimeInformation, List <GetRequest> requests, Stopwatch sw)
{
var multiGetOperation = new MultiGetOperation(this);
using var multiGetCommand = multiGetOperation.CreateRequest(requests);
RequestExecutor.Execute(multiGetCommand, Context, sessionInfo: SessionInfo);
var responses = multiGetCommand.Result;
if (multiGetCommand.AggressivelyCached == false)
{
IncrementRequestCount();
}
for (var i = 0; i < PendingLazyOperations.Count; i++)
{
long totalTime;
string tempReqTime;
var response = responses[i];
response.Headers.TryGetValue(Constants.Headers.RequestTime, out tempReqTime);
response.Elapsed = sw.Elapsed;
long.TryParse(tempReqTime, out totalTime);
responseTimeInformation.DurationBreakdown.Add(new ResponseTimeItem
{
Url = requests[i].UrlAndQuery,
Duration = TimeSpan.FromMilliseconds(totalTime)
});
if (response.RequestHasErrors())
{
throw new InvalidOperationException("Got an error from server, status code: " + (int)response.StatusCode + Environment.NewLine + response.Result);
}
PendingLazyOperations[i].HandleResponse(response);
if (PendingLazyOperations[i].RequiresRetry)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Perform a single POST requst containing multiple nested GET requests
/// </summary>
public Task<GetResponse[]> MultiGetAsync(GetRequest[] requests)
{
var multiGetOperation = new MultiGetOperation(this, convention, url, requests);
var httpJsonRequest = jsonRequestFactory.CreateHttpJsonRequest(new CreateHttpJsonRequestParams(this, multiGetOperation.RequestUri, "POST", credentials, convention));
var requestsForServer = multiGetOperation.PreparingForCachingRequest(jsonRequestFactory);
var postedData = JsonConvert.SerializeObject(requestsForServer);
if (multiGetOperation.CanFullyCache(jsonRequestFactory, httpJsonRequest, postedData))
{
var cachedResponses = multiGetOperation.HandleCachingResponse(new GetResponse[requests.Length], jsonRequestFactory) ;
return Task.Factory.StartNew(() => cachedResponses);
}
return Task.Factory.FromAsync(httpJsonRequest.BeginWrite, httpJsonRequest.EndWrite, postedData, null)
.ContinueWith(
task =>
{
task.Wait();// will throw on error
return httpJsonRequest.ReadResponseJsonAsync()
.ContinueWith(replyTask =>
{
var responses = convention.CreateSerializer().Deserialize<GetResponse[]>(new RavenJTokenReader(replyTask.Result));
return multiGetOperation.HandleCachingResponse(responses, jsonRequestFactory);
})
;
})
.Unwrap();
}
