/// <summary> /// Persist a <see cref="CorrugatedIron.Models.RiakObject"/> to Riak using the specific <see cref="CorrugatedIron.Models.RiakPutOptions" />. /// </summary> /// <param name='value'> /// The <see cref="CorrugatedIron.Models.RiakObject"/> to save. /// </param> /// <param name='options'> /// Put options /// </param> public RiakResult <RiakObject> Put(RiakObject value, RiakPutOptions options = null) { options = options ?? new RiakPutOptions(); var request = value.ToMessage(); options.Populate(request); var result = UseConnection(conn => conn.PbcWriteRead <RpbPutReq, RpbPutResp>(request)); if (!result.IsSuccess) { return(RiakResult <RiakObject> .Error(result.ResultCode, result.ErrorMessage)); } var finalResult = options.ReturnBody ? new RiakObject(value.Bucket, value.Key, result.Value.Content.First(), result.Value.VectorClock) : value; if (options.ReturnBody && result.Value.Content.Count > 1) { finalResult.Siblings = result.Value.Content.Select(c => new RiakObject(value.Bucket, value.Key, c, result.Value.VectorClock)).ToList(); } value.MarkClean(); return(RiakResult <RiakObject> .Success(finalResult)); }
/// <summary> /// Used to create a batched set of actions to be sent to a Riak cluster. This guarantees some level of serialized activity. /// </summary> /// <param name='batchAction'> /// Batch action. /// </param> /// <exception cref='Exception'> /// Represents errors that occur during application execution. /// </exception> public void Batch(Action <IRiakBatchClient> batchAction) { Func <IRiakConnection, Action, RiakResult <IEnumerable <RiakResult <object> > > > batchFun = (conn, onFinish) => { try { batchAction(new RiakClient(conn, _clientId)); return(RiakResult <IEnumerable <RiakResult <object> > > .Success(null)); } catch (Exception ex) { return(RiakResult <IEnumerable <RiakResult <object> > > .Error(ResultCode.BatchException, "{0}\n{1}".Fmt(ex.Message, ex.StackTrace))); } finally { onFinish(); } }; var result = _endPoint.UseDelayedConnection(_clientId, batchFun, RetryCount); if (!result.IsSuccess && result.ResultCode == ResultCode.BatchException) { throw new Exception(result.ErrorMessage); } }
internal static Task <RiakResult> SuccessTask() { var source = new TaskCompletionSource <RiakResult>(); source.SetResult(RiakResult.Success()); return(source.Task); }
private static RiakResult <IEnumerable <RiakResult> > Delete(IRiakConnection conn, IEnumerable <RiakObjectId> objectIds, RiakDeleteOptions options = null) { options = options ?? new RiakDeleteOptions(); var responses = objectIds.Select(id => { if (!IsValidBucketOrKey(id.Bucket)) { return(RiakResult.Error(ResultCode.InvalidRequest, InvalidBucketErrorMessage, false)); } if (!IsValidBucketOrKey(id.Key)) { return(RiakResult.Error(ResultCode.InvalidRequest, InvalidKeyErrorMessage, false)); } var req = new RpbDelReq { bucket = id.Bucket.ToRiakString(), key = id.Key.ToRiakString() }; options.Populate(req); return(conn.PbcWriteRead(req, MessageCode.DelResp)); }).ToList(); return(RiakResult <IEnumerable <RiakResult> > .Success(responses)); }
private Task <RiakResult <IEnumerable <RiakResult> > > Delete(IRiakConnection conn, IEnumerable <RiakObjectId> objectIds, RiakDeleteOptions options = null) { options = options ?? new RiakDeleteOptions(); return(AfterAll(objectIds.Select(id => { if (!IsValidBucketOrKey(id.Bucket)) { return RiakResult.ErrorTask(ResultCode.InvalidRequest, InvalidBucketErrorMessage, false); } if (!IsValidBucketOrKey(id.Key)) { return RiakResult.ErrorTask(ResultCode.InvalidRequest, InvalidKeyErrorMessage, false); } var req = new RpbDelReq { bucket = id.Bucket.ToRiakString(), key = id.Key.ToRiakString() }; options.Populate(req); return conn.PbcWriteRead(req, MessageCode.DelResp); })).ContinueWith((Task <IEnumerable <RiakResult> > finishedTask) => { return RiakResult <IEnumerable <RiakResult> > .Success(finishedTask.Result); })); }
public T Batch <T>(Func <IRiakBatchClient, T> batchFun) { var funResult = default(T); Func <IRiakConnection, Action, RiakResult <IEnumerable <RiakResult <object> > > > helperBatchFun = (conn, onFinish) => { try { funResult = batchFun(new RiakClient(conn)); return(RiakResult <IEnumerable <RiakResult <object> > > .Success(null)); } catch (Exception ex) { return(RiakResult <IEnumerable <RiakResult <object> > > .Error(ResultCode.BatchException, "{0}\n{1}".Fmt(ex.Message, ex.StackTrace), true)); } finally { onFinish(); } }; var result = _endPoint.UseDelayedConnection(helperBatchFun, RetryCount); if (!result.IsSuccess && result.ResultCode == ResultCode.BatchException) { throw new Exception(result.ErrorMessage); } return(funResult); }
/// <summary> /// Get the specified <paramref name="key"/> from the <paramref name="bucket"/>. /// Optionally can be read from rVal instances. By default, the server's /// r-value will be used, but can be overridden by rVal. /// </summary> /// <param name='bucket'> /// The name of the bucket containing the <paramref name="key"/> /// </param> /// <param name='key'> /// The key. /// </param> /// <param name='options'>The <see cref="CorrugatedIron.Models.RiakGetOptions" /> responsible for /// configuring the semantics of this single get request. These options will override any previously /// defined bucket configuration properties.</param> /// <remarks>If a node does not respond, that does not necessarily mean that the /// <paramref name="bucket"/>/<paramref name="key"/> combination is not available. It simply means /// that fewer than R/PR nodes responded to the read request. See <see cref="CorrugatedIron.Models.RiakGetOptions" /> /// for information on how different options change Riak's default behavior. /// </remarks> public RiakResult <RiakObject> Get(string bucket, string key, RiakGetOptions options = null) { if (!IsValidBucketOrKey(bucket)) { return(RiakResult <RiakObject> .Error(ResultCode.InvalidRequest, InvalidBucketErrorMessage, false)); } if (!IsValidBucketOrKey(key)) { return(RiakResult <RiakObject> .Error(ResultCode.InvalidRequest, InvalidKeyErrorMessage, false)); } var request = new RpbGetReq { bucket = bucket.ToRiakString(), key = key.ToRiakString() }; options = options ?? new RiakGetOptions(); options.Populate(request); var result = UseConnection(conn => conn.PbcWriteRead <RpbGetReq, RpbGetResp>(request)); if (!result.IsSuccess) { return(RiakResult <RiakObject> .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline)); } if (result.Value.vclock == null) { return(RiakResult <RiakObject> .Error(ResultCode.NotFound, "Unable to find value in Riak", false)); } var o = new RiakObject(bucket, key, result.Value.content, result.Value.vclock); return(RiakResult <RiakObject> .Success(o)); }
/// <summary> /// Retrieve multiple objects from Riak. /// </summary> /// <param name='bucketKeyPairs'> /// An <see href="System.Collections.Generic.IEnumerable<T>"/> of <see cref="CorrugatedIron.Models.RiakObjectId"/> to be retrieved /// </param> /// <param name='options'>The <see cref="CorrugatedIron.Models.RiakGetOptions" /> responsible for /// configuring the semantics of this single get request. These options will override any previously /// defined bucket configuration properties.</param> /// <returns>An <see cref="System.Collections.Generic.IEnumerable{T}"/> of <see cref="RiakResult{T}"/> /// is returned. You should verify the success or failure of each result separately.</returns> /// <remarks>Riak does not support multi get behavior. CorrugatedIron's multi get functionality wraps multiple /// get requests and returns results as an IEnumerable{RiakResult{RiakObject}}. Callers should be aware that /// this may result in partial success - all results should be evaluated individually in the calling application. /// In addition, applications should plan for multiple failures or multiple cases of siblings being present.</remarks> public IEnumerable <RiakResult <RiakObject> > Get(IEnumerable <RiakObjectId> bucketKeyPairs, RiakGetOptions options = null) { bucketKeyPairs = bucketKeyPairs.ToList(); options = options ?? new RiakGetOptions(); var results = UseConnection(conn => { var responses = bucketKeyPairs.Select(bkp => { // modified closure FTW var bk = bkp; if (!IsValidBucketOrKey(bk.Bucket)) { return(RiakResult <RpbGetResp> .Error(ResultCode.InvalidRequest, InvalidBucketErrorMessage, false)); } if (!IsValidBucketOrKey(bk.Key)) { return(RiakResult <RpbGetResp> .Error(ResultCode.InvalidRequest, InvalidKeyErrorMessage, false)); } var req = new RpbGetReq { bucket = bk.Bucket.ToRiakString(), key = bk.Key.ToRiakString() }; options.Populate(req); return(conn.PbcWriteRead <RpbGetReq, RpbGetResp>(req)); }).ToList(); return(RiakResult <IEnumerable <RiakResult <RpbGetResp> > > .Success(responses)); }); return(results.Value.Zip(bucketKeyPairs, Tuple.Create).Select(result => { if (!result.Item1.IsSuccess) { return RiakResult <RiakObject> .Error(result.Item1.ResultCode, result.Item1.ErrorMessage, result.Item1.NodeOffline); } if (result.Item1.Value.vclock == null) { return RiakResult <RiakObject> .Error(ResultCode.NotFound, "Unable to find value in Riak", false); } var o = new RiakObject(result.Item2.Bucket, result.Item2.Key, result.Item1.Value.content.First(), result.Item1.Value.vclock); if (result.Item1.Value.content.Count > 1) { o.Siblings = result.Item1.Value.content.Select(c => new RiakObject(result.Item2.Bucket, result.Item2.Key, c, result.Item1.Value.vclock)).ToList(); } return RiakResult <RiakObject> .Success(o); })); }
/// <summary> /// Get the server information from the connected cluster. /// </summary> /// <returns>Model containing information gathered from a node in the cluster.</returns> /// <remarks>This function will assume that all of the nodes in the cluster are running /// the same version of Riak. It will only get executed on a single node, and the content /// that is returned technically only relates to that node. All nodes in a cluster should /// run on the same version of Riak.</remarks> public RiakResult <RiakServerInfo> GetServerInfo() { var result = UseConnection(conn => conn.PbcWriteRead <RpbGetServerInfoReq, RpbGetServerInfoResp>(new RpbGetServerInfoReq())); if (result.IsSuccess) { return(RiakResult <RiakServerInfo> .Success(new RiakServerInfo(result.Value))); } return(RiakResult <RiakServerInfo> .Error(result.ResultCode, result.ErrorMessage)); }
/// <summary> /// Lists all buckets available on the Riak cluster. /// </summary> /// <returns> /// An <see cref="System.Collections.Generic.IEnumerable<T>"/> of <see cref="string"/> bucket names. /// </returns> /// <remarks>Buckets provide a logical namespace for keys. Listing buckets requires folding over all keys in a cluster and /// reading a list of buckets from disk. This operation, while non-blocking in Riak 1.0 and newer, still produces considerable /// physical I/O and can take a long time.</remarks> public RiakResult <IEnumerable <string> > ListBuckets() { var result = UseConnection(conn => conn.PbcWriteRead <RpbListBucketsResp>(MessageCode.ListBucketsReq)); if (result.IsSuccess) { var buckets = result.Value.buckets.Select(b => b.FromRiakString()); return(RiakResult <IEnumerable <string> > .Success(buckets.ToList())); } return(RiakResult <IEnumerable <string> > .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline)); }
private IEnumerable <RiakResult <RpbMapRedResp> > CondenseResponse(IEnumerable <RiakResult <RpbMapRedResp> > originalResponse) { var resultList = new List <RiakResult <RpbMapRedResp> >(originalResponse); if (resultList.Count() == 1) { return(resultList); } var newResponse = new List <RiakResult <RpbMapRedResp> >(); RiakResult <RpbMapRedResp> previous = null; foreach (var current in resultList) { if (previous == null) { newResponse.Add(RiakResult <RpbMapRedResp> .Success(current.Value)); previous = current; } else if (previous.Value.Phase == current.Value.Phase) { var mrResp = new RpbMapRedResp { Done = current.Value.Done }; if (current.Value.Response != null) { var newLength = previous.Value.Response.Length + current.Value.Response.Length; var newValue = new List <byte>(newLength); newValue.AddRange(previous.Value.Response); newValue.AddRange(current.Value.Response); var index = newResponse.IndexOf(previous); mrResp.Phase = current.Value.Phase; mrResp.Response = newValue.ToArray(); newResponse.Remove(previous); newResponse.Insert(index, RiakResult <RpbMapRedResp> .Success(mrResp)); previous = newResponse.ElementAt(index); } } else { newResponse.Add(RiakResult <RpbMapRedResp> .Success(current.Value)); previous = current; } } return(newResponse); }
public RiakResult <RiakStreamedMapReduceResult> StreamMapReduce(RiakMapReduceQuery query) { var request = query.ToMessage(); var response = UseDelayedConnection((conn, onFinish) => conn.PbcWriteStreamRead <RpbMapRedReq, RpbMapRedResp>(request, r => r.IsSuccess && !r.Value.Done, onFinish)); if (response.IsSuccess) { return(RiakResult <RiakStreamedMapReduceResult> .Success(new RiakStreamedMapReduceResult(response.Value))); } return(RiakResult <RiakStreamedMapReduceResult> .Error(response.ResultCode, response.ErrorMessage)); }
public Task <RiakResult <RiakServerInfo> > GetServerInfo() { return(UseConnection(conn => conn.PbcWriteRead <RpbGetServerInfoResp>(MessageCode.GetServerInfoReq)) .ContinueWith((Task <RiakResult <RpbGetServerInfoResp> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { return RiakResult <RiakServerInfo> .Success(new RiakServerInfo(result.Value)); } return RiakResult <RiakServerInfo> .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); }
public RiakResult <RiakMapReduceResult> MapReduce(RiakMapReduceQuery query) { var request = query.ToMessage(); var response = UseConnection(conn => conn.PbcWriteRead <RpbMapRedReq, RpbMapRedResp>(request, r => r.IsSuccess && !r.Value.done)); if (response.IsSuccess) { return(RiakResult <RiakMapReduceResult> .Success(new RiakMapReduceResult(response.Value))); } return(RiakResult <RiakMapReduceResult> .Error(response.ResultCode, response.ErrorMessage, response.NodeOffline)); }
public RiakResult <RiakSearchResult> Search(RiakSearchRequest search) { var request = search.ToMessage(); var response = UseConnection(conn => conn.PbcWriteRead <RpbSearchQueryReq, RpbSearchQueryResp>(request)); if (response.IsSuccess) { return(RiakResult <RiakSearchResult> .Success(new RiakSearchResult(response.Value))); } return(RiakResult <RiakSearchResult> .Error(response.ResultCode, response.ErrorMessage, response.NodeOffline)); }
public Task <RiakResult <IEnumerable <string> > > ListBuckets() { return(UseConnection(conn => conn.PbcWriteRead <RpbListBucketsResp>(MessageCode.ListBucketsReq)) .ContinueWith((Task <RiakResult <RpbListBucketsResp> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { var buckets = result.Value.buckets.Select(b => b.FromRiakString()); return RiakResult <IEnumerable <string> > .Success(buckets.ToList()); } return RiakResult <IEnumerable <string> > .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); }
public Task <RiakResult <RiakMapReduceResult> > MapReduce(RiakMapReduceQuery query) { var request = query.ToMessage(); return(UseConnection(conn => conn.PbcWriteRead <RpbMapRedReq, RpbMapRedResp>(request, r => r.IsSuccess && !r.Value.done)) .ContinueWith((Task <RiakResult <IEnumerable <RiakResult <RpbMapRedResp> > > > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { return RiakResult <RiakMapReduceResult> .Success(new RiakMapReduceResult(result.Value)); } return RiakResult <RiakMapReduceResult> .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); }
private static RiakResult <IEnumerable <RiakResult> > Delete(IRiakConnection conn, IEnumerable <RiakObjectId> objectIds, RiakDeleteOptions options = null) { options = options ?? new RiakDeleteOptions(); var requests = objectIds.Select(id => new RpbDelReq { Bucket = id.Bucket.ToRiakString(), Key = id.Key.ToRiakString() }).ToList(); requests.ForEach(r => options.Populate(r)); var responses = requests.Select(conn.PbcWriteRead <RpbDelReq, RpbDelResp>).ToList(); return(RiakResult <IEnumerable <RiakResult> > .Success(responses)); }
public RiakResult <IEnumerable <string> > StreamListKeys(string bucket) { var lkReq = new RpbListKeysReq { Bucket = bucket.ToRiakString() }; var result = UseDelayedConnection((conn, onFinish) => conn.PbcWriteStreamRead <RpbListKeysReq, RpbListKeysResp>(lkReq, lkr => lkr.IsSuccess && !lkr.Value.Done, onFinish)); if (result.IsSuccess) { var keys = result.Value.Where(r => r.IsSuccess).SelectMany(r => r.Value.KeyNames); return(RiakResult <IEnumerable <string> > .Success(keys)); } return(RiakResult <IEnumerable <string> > .Error(result.ResultCode, result.ErrorMessage)); }
private static RiakResult <IEnumerable <string> > ListKeys(IRiakConnection conn, string bucket) { var lkReq = new RpbListKeysReq { Bucket = bucket.ToRiakString() }; var result = conn.PbcWriteRead <RpbListKeysReq, RpbListKeysResp>(lkReq, lkr => lkr.IsSuccess && !lkr.Value.Done); if (result.IsSuccess) { var keys = result.Value.Where(r => r.IsSuccess).SelectMany(r => r.Value.KeyNames).Distinct().ToList(); return(RiakResult <IEnumerable <string> > .Success(keys)); } return(RiakResult <IEnumerable <string> > .Error(result.ResultCode, result.ErrorMessage)); }
public Task <RiakResult <RiakSearchResult> > Search(RiakSearchRequest search) { var request = search.ToMessage(); return(UseConnection(conn => conn.PbcWriteRead <RpbSearchQueryReq, RpbSearchQueryResp>(request)) .ContinueWith((Task <RiakResult <RpbSearchQueryResp> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { return RiakResult <RiakSearchResult> .Success(new RiakSearchResult(result.Value)); } return RiakResult <RiakSearchResult> .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); }
/// <summary> /// Persist an <see href="System.Collections.Generic.IEnumerable<T>"/> of <see cref="CorrugatedIron.Models.RiakObjectId"/> to Riak. /// </summary> /// <param name='values'> /// The <see href="System.Collections.Generic.IEnumerable<T>"/> of <see cref="CorrugatedIron.Models.RiakObjectId"/> to save. /// </param> /// <param name='options'> /// Put options. /// </param> public IEnumerable <RiakResult <RiakObject> > Put(IEnumerable <RiakObject> values, RiakPutOptions options = null) { options = options ?? new RiakPutOptions(); values = values.ToList(); var messages = values.Select(v => { var m = v.ToMessage(); options.Populate(m); return(m); }).ToList(); var results = UseConnection(conn => { var responses = messages.Select(conn.PbcWriteRead <RpbPutReq, RpbPutResp>).ToList(); return(RiakResult <IEnumerable <RiakResult <RpbPutResp> > > .Success(responses)); }); var resultsArray = results.Value.ToArray(); for (var i = 0; i < resultsArray.Length; i++) { if (resultsArray[i].IsSuccess) { values.ElementAt(i).MarkClean(); } } return(results.Value.Zip(values, Tuple.Create).Select(t => { if (t.Item1.IsSuccess) { var finalResult = options.ReturnBody ? new RiakObject(t.Item2.Bucket, t.Item2.Key, t.Item1.Value.Content.First(), t.Item1.Value.VectorClock) : t.Item2; if (options.ReturnBody && t.Item1.Value.Content.Count > 1) { finalResult.Siblings = t.Item1.Value.Content.Select(c => new RiakObject(t.Item2.Bucket, t.Item2.Key, c, t.Item1.Value.VectorClock)).ToList(); } return RiakResult <RiakObject> .Success(finalResult); } return RiakResult <RiakObject> .Error(t.Item1.ResultCode, t.Item1.ErrorMessage); })); }
public Task <RiakResult <RiakBucketProperties> > GetBucketProperties(string bucket, bool extended = false) { // bucket names cannot have slashes in the names, the REST interface doesn't like it at all if (!IsValidBucketOrKey(bucket)) { return(RiakResult <RiakBucketProperties> .ErrorTask(ResultCode.InvalidRequest, InvalidBucketErrorMessage, false)); } if (extended) { var request = new RiakRestRequest(ToBucketUri(bucket), RiakConstants.Rest.HttpMethod.Get) .AddQueryParam(RiakConstants.Rest.QueryParameters.Bucket.GetPropertiesKey, RiakConstants.Rest.QueryParameters.Bucket.GetPropertiesValue); return(UseConnection(conn => conn.RestRequest(request)) .ContinueWith((Task <RiakResult <RiakRestResponse> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { if (result.Value.StatusCode == HttpStatusCode.OK) { var response = new RiakBucketProperties(result.Value); return RiakResult <RiakBucketProperties> .Success(response); } return RiakResult <RiakBucketProperties> .Error(ResultCode.InvalidResponse, "Unexpected Status Code: {0} ({1})".Fmt(result.Value.StatusCode, (int)result.Value.StatusCode), false); } return RiakResult <RiakBucketProperties> .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); } else { var bpReq = new RpbGetBucketReq { bucket = bucket.ToRiakString() }; return(UseConnection(conn => conn.PbcWriteRead <RpbGetBucketReq, RpbGetBucketResp>(bpReq)) .ContinueWith((Task <RiakResult <RpbGetBucketResp> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { var props = new RiakBucketProperties(result.Value.props); return RiakResult <RiakBucketProperties> .Success(props); } return RiakResult <RiakBucketProperties> .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); } }
/// <summary> /// Persist an <see href="System.Collections.Generic.IEnumerable{T}"/> of <see cref="CorrugatedIron.Models.RiakObjectId"/> to Riak. /// </summary> /// <param name='values'> /// The <see href="System.Collections.Generic.IEnumerable{T}"/> of <see cref="CorrugatedIron.Models.RiakObjectId"/> to save. /// </param> /// <param name='options'> /// Put options. /// </param> /// <returns>An <see cref="System.Collections.Generic.IEnumerable{T}"/> of <see cref="RiakResult{T}"/> /// is returned. You should verify the success or failure of each result separately.</returns> /// <remarks>Riak does not support multi put behavior. CorrugatedIron's multi put functionality wraps multiple /// put requests and returns results as an IEnumerable{RiakResult{RiakObject}}. Callers should be aware that /// this may result in partial success - all results should be evaluated individually in the calling application. /// In addition, applications should plan for multiple failures or multiple cases of siblings being present.</remarks> public IEnumerable <RiakResult <RiakObject> > Put(IEnumerable <RiakObject> values, RiakPutOptions options = null) { options = options ?? new RiakPutOptions(); var results = UseConnection(conn => { var responses = values.Select(v => { if (!IsValidBucketOrKey(v.Bucket)) { return(RiakResult <RpbPutResp> .Error(ResultCode.InvalidRequest, InvalidBucketErrorMessage, false)); } if (!IsValidBucketOrKey(v.Key)) { return(RiakResult <RpbPutResp> .Error(ResultCode.InvalidRequest, InvalidKeyErrorMessage, false)); } var msg = v.ToMessage(); options.Populate(msg); return(conn.PbcWriteRead <RpbPutReq, RpbPutResp>(msg)); }).ToList(); return(RiakResult <IEnumerable <RiakResult <RpbPutResp> > > .Success(responses)); }); return(results.Value.Zip(values, Tuple.Create).Select(t => { if (t.Item1.IsSuccess) { var finalResult = options.ReturnBody ? new RiakObject(t.Item2.Bucket, t.Item2.Key, t.Item1.Value.content.First(), t.Item1.Value.vclock) : t.Item2; if (options.ReturnBody && t.Item1.Value.content.Count > 1) { finalResult.Siblings = t.Item1.Value.content.Select(c => new RiakObject(t.Item2.Bucket, t.Item2.Key, c, t.Item1.Value.vclock)).ToList(); } return RiakResult <RiakObject> .Success(finalResult); } return RiakResult <RiakObject> .Error(t.Item1.ResultCode, t.Item1.ErrorMessage, t.Item1.NodeOffline); })); }
public Task <RiakResult <IList <RiakObject> > > WalkLinks(RiakObject riakObject, IList <RiakLink> riakLinks) { System.Diagnostics.Debug.Assert(riakLinks.Count > 0, "Link walking requires at least one link"); var input = new RiakBucketKeyInput(); input.AddBucketKey(riakObject.Bucket, riakObject.Key); var query = new RiakMapReduceQuery() .Inputs(input); var lastLink = riakLinks.Last(); foreach (var riakLink in riakLinks) { var link = riakLink; var keep = ReferenceEquals(link, lastLink); query.Link(l => l.FromRiakLink(link).Keep(keep)); } return(MapReduce(query) .ContinueWith((Task <RiakResult <RiakMapReduceResult> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { var linkResults = result.Value.PhaseResults.GroupBy(r => r.Phase).Where(g => g.Key == riakLinks.Count - 1); var linkResultStrings = linkResults.SelectMany(lr => lr.ToList(), (lr, r) => new { lr, r }) .SelectMany(@t => @t.r.Values, (@t, s) => s.FromRiakString()); //var linkResultStrings = linkResults.SelectMany(g => g.Select(r => r.Values.Value.FromRiakString())); var rawLinks = linkResultStrings.SelectMany(RiakLink.ParseArrayFromJsonString).Distinct(); var oids = rawLinks.Select(l => new RiakObjectId(l.Bucket, l.Key)).ToList(); return Get(oids, new RiakGetOptions()) .ContinueWith((Task <IEnumerable <RiakResult <RiakObject> > > getTask) => { var objects = getTask.Result; // FIXME // we could be discarding results here. Not good? // This really should be a multi-phase map/reduce return RiakResult <IList <RiakObject> > .Success(objects.Where(r => r.IsSuccess).Select(r => r.Value).ToList()); }); } return RiakResult <IList <RiakObject> > .ErrorTask(result.ResultCode, result.ErrorMessage, result.NodeOffline); }).Unwrap()); }
public RiakResult <IEnumerable <string> > StreamListKeys(string bucket) { System.Diagnostics.Debug.Write(ListKeysWarning); System.Diagnostics.Trace.TraceWarning(ListKeysWarning); Console.WriteLine(ListKeysWarning); var lkReq = new RpbListKeysReq { bucket = bucket.ToRiakString() }; var result = UseDelayedConnection((conn, onFinish) => conn.PbcWriteStreamRead <RpbListKeysReq, RpbListKeysResp>(lkReq, lkr => lkr.IsSuccess && !lkr.Value.done, onFinish)); if (result.IsSuccess) { var keys = result.Value.Where(r => r.IsSuccess).SelectMany(r => r.Value.keys).Select(k => k.FromRiakString()); return(RiakResult <IEnumerable <string> > .Success(keys)); } return(RiakResult <IEnumerable <string> > .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline)); }
private static RiakResult <IEnumerable <string> > ListKeys(IRiakConnection conn, string bucket) { System.Diagnostics.Debug.Write(ListKeysWarning); System.Diagnostics.Trace.TraceWarning(ListKeysWarning); Console.WriteLine(ListKeysWarning); var lkReq = new RpbListKeysReq { bucket = bucket.ToRiakString() }; var result = conn.PbcWriteRead <RpbListKeysReq, RpbListKeysResp>(lkReq, lkr => lkr.IsSuccess && !lkr.Value.done); if (result.IsSuccess) { var keys = result.Value.Where(r => r.IsSuccess).SelectMany(r => r.Value.keys).Select(k => k.FromRiakString()).Distinct().ToList(); return(RiakResult <IEnumerable <string> > .Success(keys)); } return(RiakResult <IEnumerable <string> > .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline)); }
private RiakResult <IList <string> > IndexGetEquals(string bucket, string indexName, string value) { var message = new RpbIndexReq { bucket = bucket.ToRiakString(), index = indexName.ToRiakString(), key = value.ToRiakString(), qtype = RpbIndexReq.IndexQueryType.eq }; var result = UseConnection(conn => conn.PbcWriteRead <RpbIndexReq, RpbIndexResp>(message)); if (result.IsSuccess) { return(RiakResult <IList <string> > .Success(result.Value.keys.Select(k => k.FromRiakString()).ToList())); } return(RiakResult <IList <string> > .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline)); }
/// <summary> /// Get the specified <paramref name="key"/> from the <paramref name="bucket"/>. /// Optionally can be read from <paramref name="rVal"/> instances. By default, the server's /// r-value will be used, but can be overridden by <paramref name="rVal"/>. /// </summary> /// <param name='bucket'> /// The name of the bucket containing the <paramref name="key"/> /// </param> /// <param name='key'> /// The key. /// </param> /// <param name='rVal'> /// The number of nodes required to successfully respond to the read before the read is considered a success. /// </param> /// <remarks>If a node does not respond, that does not necessarily mean that the /// <paramref name="bucket"/>/<paramref name="key"/> combination is not available. It simply means /// that less than <paramref name="rVal" /> nodes successfully responded to the read request. Unfortunatley, /// the Riak API does not allow us to distinguish between a 404 resulting from less than <paramref name="rVal"/> /// nodes successfully responding and a <paramref name="bucket"/>/<paramref name="key"/> combination /// not being found in Riak. /// </remarks> public RiakResult <RiakObject> Get(string bucket, string key, uint rVal = RiakConstants.Defaults.RVal) { var request = new RpbGetReq { Bucket = bucket.ToRiakString(), Key = key.ToRiakString(), R = rVal }; var result = UseConnection(conn => conn.PbcWriteRead <RpbGetReq, RpbGetResp>(request)); if (!result.IsSuccess) { return(RiakResult <RiakObject> .Error(result.ResultCode, result.ErrorMessage)); } if (result.Value.VectorClock == null) { return(RiakResult <RiakObject> .Error(ResultCode.NotFound)); } var o = new RiakObject(bucket, key, result.Value.Content, result.Value.VectorClock); return(RiakResult <RiakObject> .Success(o)); }
private Task <RiakResult <IList <string> > > IndexGetRange(string bucket, string indexName, string minValue, string maxValue) { var message = new RpbIndexReq { bucket = bucket.ToRiakString(), index = indexName.ToRiakString(), qtype = RpbIndexReq.IndexQueryType.range, range_min = minValue.ToRiakString(), range_max = maxValue.ToRiakString() }; return(UseConnection(conn => conn.PbcWriteRead <RpbIndexReq, RpbIndexResp>(message)) .ContinueWith((Task <RiakResult <RpbIndexResp> > finishedTask) => { var result = finishedTask.Result; if (result.IsSuccess) { return RiakResult <IList <string> > .Success(result.Value.keys.Select(k => k.FromRiakString()).ToList()); } return RiakResult <IList <string> > .Error(result.ResultCode, result.ErrorMessage, result.NodeOffline); })); }