internal static new RiakResult <TResult> FromException(ResultCode code, Exception exception, bool nodeOffline)
{
var riakResult = new RiakResult <TResult>(exception, code);
riakResult.NodeOffline = nodeOffline;
return(riakResult);
}
public void SetUp()
{
var result = RiakResult.Success();
Cluster.ConnectionMock.Setup(m => m.PbcWriteRead(It.IsAny<RpbSetBucketReq>(), MessageCode.RpbSetBucketResp)).Returns(result);
Response = Client.SetBucketProperties("foo", new RiakBucketProperties().SetAllowMultiple(true));
}
internal static RiakResult FromException(ResultCode code, Exception ex, bool nodeOffline)
{
var riakResult = new RiakResult(code, ex);
riakResult.NodeOffline = nodeOffline;
return(riakResult);
}
internal static new RiakResult <TResult> FromError(ResultCode code, string message, bool nodeOffline)
{
var riakResult = new RiakResult <TResult>(default(TResult), false, message, code);
riakResult.NodeOffline = nodeOffline;
return(riakResult);
}
private static void CheckResult(RiakResult<RiakObject> result)
{
if (!result.IsSuccess)
{
Console.Error.WriteLine("Error: {0}", result.ErrorMessage);
Environment.Exit(1);
}
}
public static bool OnePhaseWith_M_ResultsFound(RiakResult<RiakMapReduceResult> result, int numResults)
{
if (!result.IsSuccess || result.Value == null)
{
return false;
}
var phaseResults = result.Value.PhaseResults.ToList();
if (phaseResults.Count != 1)
{
return false;
}
var phase1Results = phaseResults[0].Values;
return phase1Results.Count == numResults;
}
/// <summary>
/// Executes a delegate function using a <see cref="IRiakConnection"/>, and returns the results.
/// Can retry up to "<paramref name="retryAttempts"/>" times for <see cref="ResultCode.NoRetries"/> and <see cref="ResultCode.ShuttingDown"/> error states.
/// This method is used over <see cref="RiakEndPoint.UseConnection"/> to keep a connection open to receive streaming results.
/// </summary>
/// <typeparam name="TResult">The type of the result from the <paramref name="useFun"/> parameter.</typeparam>
/// <param name="useFun">
/// The delegate function to execute. Takes an <see cref="IRiakConnection"/> and an <see cref="Action"/> continuation as input, and returns a
/// <see cref="RiakResult{T}"/> containing an <see cref="IEnumerable{TResult}"/> as the results of the operation.
/// </param>
/// <param name="retryAttempts">The number of times to retry an operation.</param>
/// <returns>The results of the <paramref name="useFun"/> delegate.</returns>
public override RiakResult <IEnumerable <TResult> > UseDelayedConnection <TResult>(Func <IRiakConnection, Action, RiakResult <IEnumerable <TResult> > > useFun, int retryAttempts)
{
if (retryAttempts < 0)
{
return(RiakResult <IEnumerable <TResult> > .FromError(ResultCode.NoRetries, "Unable to access a connection on the cluster (no more retries).", false));
}
if (disposing)
{
return(RiakResult <IEnumerable <TResult> > .FromError(ResultCode.ShuttingDown, "System currently shutting down", true));
}
var errorMessages = new List <string>();
var node = loadBalancer.SelectNode();
if (node != null)
{
var result = node.UseDelayedConnection(useFun);
if (!result.IsSuccess)
{
errorMessages.Add(result.ErrorMessage);
if (result.ResultCode == ResultCode.NoConnections)
{
Thread.Sleep(RetryWaitTime);
return(UseDelayedConnection(useFun, retryAttempts - 1));
}
if (result.ResultCode == ResultCode.CommunicationError)
{
MaybeDeactivateNode(result.NodeOffline, node);
Thread.Sleep(RetryWaitTime);
return(UseDelayedConnection(useFun, retryAttempts - 1));
}
}
return(result);
}
string msg = string.Format("Unable to access functioning Riak node, error(s): {0}", string.Join(", ", errorMessages));
return(RiakResult <IEnumerable <TResult> > .FromError(ResultCode.ClusterOffline, msg, true));
}
/// <summary>
/// Executes a delegate function using a <see cref="IRiakConnection"/>, and returns the results.
/// Can retry up to "<paramref name="retryAttempts"/>" times for <see cref="ResultCode.NoRetries"/> and <see cref="ResultCode.ShuttingDown"/> error states.
/// This method is used over <see cref="RiakEndPoint.UseConnection"/> to keep a connection open to receive streaming results.
/// </summary>
/// <typeparam name="TResult">The type of the result from the <paramref name="useFun"/> parameter.</typeparam>
/// <param name="useFun">
/// The delegate function to execute. Takes an <see cref="IRiakConnection"/> and an <see cref="Action"/> continuation as input, and returns a
/// <see cref="RiakResult{T}"/> containing an <see cref="IEnumerable{TResult}"/> as the results of the operation.
/// </param>
/// <param name="retryAttempts">The number of times to retry an operation.</param>
/// <returns>The results of the <paramref name="useFun"/> delegate.</returns>
public override RiakResult <IEnumerable <TResult> > UseDelayedConnection <TResult>(Func <IRiakConnection, Action, RiakResult <IEnumerable <TResult> > > useFun, int retryAttempts)
{
if (retryAttempts < 0)
{
return(RiakResult <IEnumerable <TResult> > .FromError(ResultCode.NoRetries, "Unable to access a connection on the cluster.", false));
}
if (disposing)
{
return(RiakResult <IEnumerable <TResult> > .FromError(ResultCode.ShuttingDown, "System currently shutting down", true));
}
var node = loadBalancer.SelectNode();
if (node != null)
{
var result = node.UseDelayedConnection(useFun);
if (!result.IsSuccess)
{
if (result.ResultCode == ResultCode.NoConnections)
{
Thread.Sleep(RetryWaitTime);
return(UseDelayedConnection(useFun, retryAttempts - 1));
}
if (result.ResultCode == ResultCode.CommunicationError)
{
if (result.NodeOffline)
{
DeactivateNode(node);
}
Thread.Sleep(RetryWaitTime);
return(UseDelayedConnection(useFun, retryAttempts - 1));
}
}
return(result);
}
return(RiakResult <IEnumerable <TResult> > .FromError(ResultCode.ClusterOffline, "Unable to access functioning Riak node", true));
}
/// <summary>
/// Determines whether the specified object is equal to the current object.
/// </summary>
/// <param name="other">The object to compare with the current object.</param>
/// <returns><b>true</b> if the specified object is equal to the current object, otherwise, <b>false</b>.</returns>
public bool Equals(RiakResult <TResult> other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(Equals(other.Value, Value) &&
Equals(other.IsSuccess, IsSuccess) &&
Equals(other.ResultCode, ResultCode) &&
Equals(other.NodeOffline, NodeOffline) &&
Equals(other.Continuation, Continuation) &&
(other.Done.HasValue &&
Done.HasValue &&
Equals(other.Done.Value && Done.Value)));
}
private static void CheckThatResultContainAllKeys(RiakResult<RiakMapReduceResult> result)
{
var phaseResults = result.Value.PhaseResults.ToList();
phaseResults.Count.ShouldEqual(1);
var searchResults = phaseResults[0];
searchResults.Values.ShouldNotBeNull();
searchResults.Values.Count.ShouldEqual(2);
foreach (var searchResult in searchResults.Values)
{
var s = searchResult.FromRiakString();
if (!(s.Contains(RiakSearchKey) || s.Contains(RiakSearchKey2)))
Assert.Fail("Results did not contain either \"{0}\" or \"{1}\". \r\nResult was:\"{2}\"", RiakSearchKey,
RiakSearchKey2, s);
}
}
public RiakResult(RiakResult result)
: base(result.IsSuccess, result.ResultCode, result.Exception, result.ErrorMessage)
{
this.value = default(TResult);
}
internal static RiakResult FromError(ResultCode code, string message, bool nodeOffline)
{
var riakResult = new RiakResult(false, message, code);
riakResult.NodeOffline = nodeOffline;
return riakResult;
}
public static bool OnePhaseWithTwelveResultsFound(RiakResult<RiakMapReduceResult> result)
{
return OnePhaseWith_M_ResultsFound(result, 12);
}
internal static RiakResult FromException(ResultCode code, Exception ex, bool nodeOffline)
{
var riakResult = new RiakResult(code, ex);
riakResult.NodeOffline = nodeOffline;
return riakResult;
}
private static void AssertThatResultContainsAllKeys(RiakResult<RiakMapReduceResult> mapReduceResult)
{
var phaseResults = mapReduceResult.Value.PhaseResults.ToList();
phaseResults.Count.ShouldEqual(1);
var searchResults = phaseResults[0];
searchResults.Values.ShouldNotBeNull();
searchResults.Values.Count.ShouldEqual(2);
var allKeys = new List<string> { HackerKey, PublicKey };
var solrResults = searchResults.Values.Select(searchResult => searchResult.FromRiakString());
var usedKeys = solrResults.SelectMany(result => allKeys.Where(result.Contains));
var unusedKeys = allKeys.Except(usedKeys).ToList();
Assert.AreEqual(0, unusedKeys.Count, "Results did not contain the following keys: {0}",
string.Join(", ", allKeys));
}
protected void CheckResult(RiakResult riakResult, bool errorIsOK = false)
{
if (errorIsOK && !riakResult.IsSuccess)
{
Console.WriteLine("Error: {0}", riakResult.ErrorMessage);
}
else
{
Assert.IsTrue(riakResult.IsSuccess, "Error: {0}", riakResult.ErrorMessage);
}
}
public RiakResult(RiakResult result)
: base(result.IsSuccess, result.ResultCode, result.Exception, result.ErrorMessage, result.NodeOffline)
{
value = default(TResult);
}