public CommitPointsModule(IBrightstarService brightstarService, AbstractStorePermissionsProvider permissionsProvider)
{
this.RequiresBrightstarStorePermission(permissionsProvider, get: StorePermissions.ViewHistory, post: StorePermissions.Admin);
Get["/{storeName}/commits"] = parameters =>
{
int skip = Request.Query["skip"].TryParse <int>(0);
int take = Request.Query["take"].TryParse <int>(DefaultPageSize);
DateTime timestamp = Request.Query["timestamp"].TryParse <DateTime>();
DateTime earliest = Request.Query["earliest"].TryParse <DateTime>();
DateTime latest = Request.Query["latest"].TryParse <DateTime>();
var request = this.Bind <CommitPointsRequestModel>();
ViewBag.Title = request.StoreName + " - Commit History";
if (timestamp != default(DateTime))
{
// Request for a single commit point
var commitPoint = brightstarService.GetCommitPoint(parameters["storeName"], timestamp);
return(commitPoint == null ? HttpStatusCode.NotFound : MakeResponseObject(commitPoint));
}
if (earliest != default(DateTime) && latest != default(DateTime))
{
IEnumerable <ICommitPointInfo> results =
brightstarService.GetCommitPoints(parameters["storeName"], latest, earliest, skip, take + 1);
var resourceUri = String.Format("commits?latest={0}&earliest={1}", latest.ToString("s"), earliest.ToString("s"));
return(Negotiate.WithPagedList(request, results.Select(MakeResponseObject), skip, take, DefaultPageSize, resourceUri));
}
IEnumerable <ICommitPointInfo> commitPointInfos = brightstarService.GetCommitPoints(parameters["storeName"], skip, take + 1);
return(Negotiate.WithPagedList(request, commitPointInfos.Select(MakeResponseObject), skip, take, DefaultPageSize, "commits"));
};
Post["/{storeName}/commits"] = parameters =>
{
var commitPoint = this.Bind <CommitPointResponseModel>();
if (commitPoint == null ||
String.IsNullOrEmpty(commitPoint.StoreName) ||
!commitPoint.StoreName.Equals(parameters["storeName"]))
{
return(HttpStatusCode.BadRequest);
}
var commitPointInfo = brightstarService.GetCommitPoint(parameters["storeName"], commitPoint.Id);
if (commitPointInfo == null)
{
return(HttpStatusCode.BadRequest);
}
brightstarService.RevertToCommitPoint(parameters["storeName"], commitPointInfo);
return(HttpStatusCode.OK);
};
}
public CommitPointsModule(IBrightstarService brightstarService, AbstractStorePermissionsProvider permissionsProvider)
{
this.RequiresBrightstarStorePermission(permissionsProvider, get:StorePermissions.ViewHistory, post:StorePermissions.Admin);
Get["/{storeName}/commits"] = parameters =>
{
int skip = Request.Query["skip"].TryParse<int>(0);
int take = Request.Query["take"].TryParse<int>(DefaultPageSize);
DateTime timestamp = Request.Query["timestamp"].TryParse<DateTime>();
DateTime earliest = Request.Query["earliest"].TryParse<DateTime>();
DateTime latest = Request.Query["latest"].TryParse<DateTime>();
var request = this.Bind<CommitPointsRequestModel>();
ViewBag.Title = request.StoreName + " - Commit History";
if (timestamp != default(DateTime))
{
// Request for a single commit point
var commitPoint = brightstarService.GetCommitPoint(parameters["storeName"], timestamp);
return commitPoint == null ? HttpStatusCode.NotFound : MakeResponseObject(commitPoint);
}
if (earliest != default(DateTime) && latest != default(DateTime))
{
IEnumerable<ICommitPointInfo> results =
brightstarService.GetCommitPoints(parameters["storeName"], latest, earliest, skip, take + 1);
var resourceUri = String.Format("commits?latest={0}&earliest={1}", latest.ToString("s"), earliest.ToString("s"));
return Negotiate.WithPagedList(request, results.Select(MakeResponseObject), skip, take, DefaultPageSize, resourceUri);
}
IEnumerable<ICommitPointInfo> commitPointInfos = brightstarService.GetCommitPoints(parameters["storeName"], skip, take + 1);
return Negotiate.WithPagedList(request, commitPointInfos.Select(MakeResponseObject), skip, take, DefaultPageSize, "commits");
};
Post["/{storeName}/commits"] = parameters =>
{
var commitPoint = this.Bind<CommitPointResponseModel>();
if (commitPoint == null ||
String.IsNullOrEmpty(commitPoint.StoreName) ||
!commitPoint.StoreName.Equals(parameters["storeName"]))
{
return HttpStatusCode.BadRequest;
}
var commitPointInfo = brightstarService.GetCommitPoint(parameters["storeName"], commitPoint.Id);
if (commitPointInfo == null) return HttpStatusCode.BadRequest;
brightstarService.RevertToCommitPoint(parameters["storeName"], commitPointInfo);
return HttpStatusCode.OK;
};
}
public Stream GetResultsStream(SparqlResultsFormat format, RdfFormat graphFormat, DateTime?ifNotModifiedSince, out ISerializationFormat streamFormat)
{
if (_commitId > 0)
{
var commitPointInfo = _service.GetCommitPoint(_storeName, _commitId);
if (commitPointInfo == null)
{
throw new InvalidCommitPointException();
}
return(_service.ExecuteQuery(commitPointInfo, _sparqlRequest.Query, _sparqlRequest.DefaultGraphUri, format, graphFormat, out streamFormat));
}
return(_service.ExecuteQuery(_storeName, _sparqlRequest.Query, _sparqlRequest.DefaultGraphUri, ifNotModifiedSince, format, graphFormat, out streamFormat));
}
public JobsModule(IBrightstarService brightstarService, AbstractStorePermissionsProvider permissionsProvider)
{
this.RequiresBrightstarStorePermissionData(permissionsProvider);
Get["/{storeName}/jobs"] = parameters =>
{
var jobsRequestObject = this.Bind<JobsRequestModel>();
ViewBag.Title = jobsRequestObject.StoreName + " - Jobs";
if (jobsRequestObject == null || jobsRequestObject.StoreName == null)
{
return HttpStatusCode.BadRequest;
}
if (jobsRequestObject.Take <= 0) jobsRequestObject.Take = DefaultPageSize;
var jobs = brightstarService.GetJobInfo(jobsRequestObject.StoreName, jobsRequestObject.Skip,
jobsRequestObject.Take + 1);
return Negotiate.WithPagedList(jobsRequestObject,
jobs.Select(j=>j.MakeResponseObject(jobsRequestObject.StoreName)),
jobsRequestObject.Skip, jobsRequestObject.Take, DefaultPageSize,
"jobs");
};
Get["/{storeName}/jobs/{jobId}"] = parameters =>
{
var request = this.Bind<JobRequestModel>();
if (request == null ||
request.StoreName == null ||
request.JobId == null)
{
return HttpStatusCode.BadRequest;
}
ViewBag.Title = request.StoreName + " - Job - " + request.JobId;
var job = brightstarService.GetJobInfo(request.StoreName, request.JobId);
if (job == null) return HttpStatusCode.NotFound;
var responseDto = job.MakeResponseObject(request.StoreName);
return responseDto;
};
Post["/{storeName}/jobs"] = parameters =>
{
var jobRequestObject = this.Bind<JobRequestObject>();
ViewBag.Title = jobRequestObject.StoreName + "- Jobs";
// Validate
if (jobRequestObject == null) return HttpStatusCode.BadRequest;
if (String.IsNullOrWhiteSpace(jobRequestObject.JobType)) return HttpStatusCode.BadRequest;
var storeName = parameters["storeName"];
var label = jobRequestObject.Label;
try
{
IJobInfo queuedJobInfo;
switch (jobRequestObject.JobType.ToLowerInvariant())
{
case "consolidate":
AssertPermission(StorePermissions.Admin);
queuedJobInfo = brightstarService.ConsolidateStore(storeName, label);
break;
case "createsnapshot":
AssertPermission(StorePermissions.Admin);
PersistenceType persistenceType;
// Validate TargetStoreName and PersistenceType parameters
if (!jobRequestObject.JobParameters.ContainsKey("TargetStoreName") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["TargetStoreName"]) ||
!jobRequestObject.JobParameters.ContainsKey("PersistenceType") ||
!Enum.TryParse(jobRequestObject.JobParameters["PersistenceType"],
out persistenceType))
{
return HttpStatusCode.BadRequest;
}
// Extract optional commit point parameter
ICommitPointInfo commitPoint = null;
if (jobRequestObject.JobParameters.ContainsKey("CommitId"))
{
ulong commitId;
if (!UInt64.TryParse(jobRequestObject.JobParameters["CommitId"], out commitId))
{
return HttpStatusCode.BadRequest;
}
commitPoint = brightstarService.GetCommitPoint(storeName, commitId);
if (commitPoint == null)
{
return HttpStatusCode.BadRequest;
}
}
// Execute
queuedJobInfo = brightstarService.CreateSnapshot(
storeName, jobRequestObject.JobParameters["TargetStoreName"],
persistenceType, commitPoint, label);
break;
case "export":
AssertPermission(StorePermissions.Export);
if (!jobRequestObject.JobParameters.ContainsKey("FileName") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["FileName"]))
{
return HttpStatusCode.BadRequest;
}
RdfFormat format = jobRequestObject.JobParameters.ContainsKey("Format")
? RdfFormat.GetResultsFormat(
jobRequestObject.JobParameters["Format"])
: RdfFormat.NQuads;
queuedJobInfo = brightstarService.StartExport(
storeName,
jobRequestObject.JobParameters["FileName"],
jobRequestObject.JobParameters.ContainsKey("GraphUri") ? jobRequestObject.JobParameters["GraphUri"] : null,
format,
label);
break;
case "import":
AssertPermission(StorePermissions.TransactionUpdate);
if (!jobRequestObject.JobParameters.ContainsKey("FileName") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["FileName"]))
{
return HttpStatusCode.BadRequest;
}
RdfFormat importFormat = null;
if (jobRequestObject.JobParameters.ContainsKey("ImportFormat"))
{
importFormat = RdfFormat.GetResultsFormat(jobRequestObject.JobParameters["ImportFormat"]);
if (importFormat == null) return HttpStatusCode.BadRequest;
}
queuedJobInfo = brightstarService.StartImport(
storeName,
jobRequestObject.JobParameters["FileName"],
jobRequestObject.JobParameters.ContainsKey("DefaultGraphUri") ? jobRequestObject.JobParameters["DefaultGraphUri"] : Constants.DefaultGraphUri,
label,
importFormat);
break;
case "repeattransaction":
AssertPermission(StorePermissions.Admin);
if (!jobRequestObject.JobParameters.ContainsKey("JobId") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["JobId"]))
{
return HttpStatusCode.BadRequest;
}
Guid jobId;
if (!Guid.TryParse(jobRequestObject.JobParameters["JobId"], out jobId))
{
return HttpStatusCode.BadRequest;
}
var transaction = brightstarService.GetTransaction(storeName, jobId);
if (transaction == null)
{
return HttpStatusCode.BadRequest;
}
queuedJobInfo = brightstarService.ReExecuteTransaction(storeName, transaction, label);
break;
case "sparqlupdate":
AssertPermission(StorePermissions.SparqlUpdate);
if (!jobRequestObject.JobParameters.ContainsKey("UpdateExpression") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["UpdateExpression"]))
{
return HttpStatusCode.BadRequest;
}
queuedJobInfo = brightstarService.ExecuteUpdate(
storeName,
jobRequestObject.JobParameters["UpdateExpression"],
false,
label);
break;
case "transaction":
AssertPermission(StorePermissions.TransactionUpdate);
var preconditions = jobRequestObject.JobParameters.ContainsKey("Preconditions")
? jobRequestObject.JobParameters["Preconditions"]
: null;
var nonexistence =
jobRequestObject.JobParameters.ContainsKey("NonexistencePreconditions")
? jobRequestObject.JobParameters["NonexistencePreconditions"]
: null;
var deletePatterns = jobRequestObject.JobParameters.ContainsKey("Deletes")
? jobRequestObject.JobParameters["Deletes"]
: null;
var insertTriples = jobRequestObject.JobParameters.ContainsKey("Inserts")
? jobRequestObject.JobParameters["Inserts"]
: null;
var defaultGraphUri =
jobRequestObject.JobParameters.ContainsKey("DefaultGraphUri") &&
!String.IsNullOrEmpty(jobRequestObject.JobParameters["DefaultGraphUri"])
? jobRequestObject.JobParameters["DefaultGraphUri"]
: null;
queuedJobInfo = brightstarService.ExecuteTransaction(
storeName, new UpdateTransactionData
{
ExistencePreconditions = preconditions,
NonexistencePreconditions = nonexistence,
DeletePatterns = deletePatterns,
InsertData = insertTriples,
DefaultGraphUri = defaultGraphUri
},
false,
label);
break;
case "updatestats":
AssertPermission(StorePermissions.Admin);
queuedJobInfo = brightstarService.UpdateStatistics(storeName, label);
break;
default:
return HttpStatusCode.BadRequest;
}
var jobUri = (string) storeName + "/jobs/" + queuedJobInfo.JobId;
return Negotiate.WithModel(new JobResponseModel
{
JobId = queuedJobInfo.JobId,
Label = queuedJobInfo.Label,
StatusMessage = queuedJobInfo.StatusMessage,
JobStatus = queuedJobInfo.GetJobStatusString(),
ExceptionInfo = queuedJobInfo.ExceptionInfo,
QueuedTime = queuedJobInfo.QueuedTime,
StartTime = queuedJobInfo.StartTime,
EndTime = queuedJobInfo.EndTime
})
.WithHeader("Location", jobUri)
.WithStatusCode(HttpStatusCode.Created);
}
catch (UnauthorizedAccessException)
{
return HttpStatusCode.Unauthorized;
}
};
}
public JobsModule(IBrightstarService brightstarService, AbstractStorePermissionsProvider permissionsProvider)
{
this.RequiresBrightstarStorePermissionData(permissionsProvider);
Get["/{storeName}/jobs"] = parameters =>
{
var jobsRequestObject = this.Bind <JobsRequestModel>();
if (jobsRequestObject == null || jobsRequestObject.StoreName == null)
{
return(HttpStatusCode.BadRequest);
}
if (jobsRequestObject.Take <= 0)
{
jobsRequestObject.Take = DefaultPageSize;
}
var jobs = brightstarService.GetJobInfo(jobsRequestObject.StoreName, jobsRequestObject.Skip,
jobsRequestObject.Take + 1);
return(Negotiate.WithPagedList(jobsRequestObject,
jobs.Select(j => j.MakeResponseObject(jobsRequestObject.StoreName)),
jobsRequestObject.Skip, jobsRequestObject.Take, DefaultPageSize,
"jobs"));
};
Get["/{storeName}/jobs/{jobId}"] = parameters =>
{
var request = this.Bind <JobRequestModel>();
if (request == null ||
request.StoreName == null ||
request.JobId == null)
{
return(HttpStatusCode.BadRequest);
}
var job = brightstarService.GetJobInfo(request.StoreName, request.JobId);
if (job == null)
{
return(HttpStatusCode.NotFound);
}
var responseDto = job.MakeResponseObject(request.StoreName);
return(responseDto);
};
Post["/{storeName}/jobs"] = parameters =>
{
var jobRequestObject = this.Bind <JobRequestObject>();
// Validate
if (jobRequestObject == null)
{
return(HttpStatusCode.BadRequest);
}
if (String.IsNullOrWhiteSpace(jobRequestObject.JobType))
{
return(HttpStatusCode.BadRequest);
}
var storeName = parameters["storeName"];
var label = jobRequestObject.Label;
try
{
IJobInfo queuedJobInfo;
switch (jobRequestObject.JobType.ToLowerInvariant())
{
case "consolidate":
AssertPermission(StorePermissions.Admin);
queuedJobInfo = brightstarService.ConsolidateStore(storeName, label);
break;
case "createsnapshot":
AssertPermission(StorePermissions.Admin);
PersistenceType persistenceType;
// Validate TargetStoreName and PersistenceType parameters
if (!jobRequestObject.JobParameters.ContainsKey("TargetStoreName") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["TargetStoreName"]) ||
!jobRequestObject.JobParameters.ContainsKey("PersistenceType") ||
!Enum.TryParse(jobRequestObject.JobParameters["PersistenceType"],
out persistenceType))
{
return(HttpStatusCode.BadRequest);
}
// Extract optional commit point parameter
ICommitPointInfo commitPoint = null;
if (jobRequestObject.JobParameters.ContainsKey("CommitId"))
{
ulong commitId;
if (!UInt64.TryParse(jobRequestObject.JobParameters["CommitId"], out commitId))
{
return(HttpStatusCode.BadRequest);
}
commitPoint = brightstarService.GetCommitPoint(storeName, commitId);
if (commitPoint == null)
{
return(HttpStatusCode.BadRequest);
}
}
// Execute
queuedJobInfo = brightstarService.CreateSnapshot(
storeName, jobRequestObject.JobParameters["TargetStoreName"],
persistenceType, commitPoint, label);
break;
case "export":
AssertPermission(StorePermissions.Export);
if (!jobRequestObject.JobParameters.ContainsKey("FileName") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["FileName"]))
{
return(HttpStatusCode.BadRequest);
}
RdfFormat format = jobRequestObject.JobParameters.ContainsKey("Format")
? RdfFormat.GetResultsFormat(
jobRequestObject.JobParameters["Format"])
: RdfFormat.NQuads;
queuedJobInfo = brightstarService.StartExport(
storeName,
jobRequestObject.JobParameters["FileName"],
jobRequestObject.JobParameters.ContainsKey("GraphUri") ? jobRequestObject.JobParameters["GraphUri"] : null,
format,
label);
break;
case "import":
AssertPermission(StorePermissions.TransactionUpdate);
if (!jobRequestObject.JobParameters.ContainsKey("FileName") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["FileName"]))
{
return(HttpStatusCode.BadRequest);
}
queuedJobInfo = brightstarService.StartImport(
storeName,
jobRequestObject.JobParameters["FileName"],
jobRequestObject.JobParameters.ContainsKey("DefaultGraphUri") ? jobRequestObject.JobParameters["DefaultGraphUri"] : Constants.DefaultGraphUri,
label);
break;
case "repeattransaction":
AssertPermission(StorePermissions.Admin);
if (!jobRequestObject.JobParameters.ContainsKey("JobId") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["JobId"]))
{
return(HttpStatusCode.BadRequest);
}
Guid jobId;
if (!Guid.TryParse(jobRequestObject.JobParameters["JobId"], out jobId))
{
return(HttpStatusCode.BadRequest);
}
var transaction = brightstarService.GetTransaction(storeName, jobId);
if (transaction == null)
{
return(HttpStatusCode.BadRequest);
}
queuedJobInfo = brightstarService.ReExecuteTransaction(storeName, transaction, label);
break;
case "sparqlupdate":
AssertPermission(StorePermissions.SparqlUpdate);
if (!jobRequestObject.JobParameters.ContainsKey("UpdateExpression") ||
String.IsNullOrWhiteSpace(jobRequestObject.JobParameters["UpdateExpression"]))
{
return(HttpStatusCode.BadRequest);
}
queuedJobInfo = brightstarService.ExecuteUpdate(
storeName,
jobRequestObject.JobParameters["UpdateExpression"],
false,
label);
break;
case "transaction":
AssertPermission(StorePermissions.TransactionUpdate);
var preconditions = jobRequestObject.JobParameters.ContainsKey("Preconditions")
? jobRequestObject.JobParameters["Preconditions"]
: null;
var nonexistence =
jobRequestObject.JobParameters.ContainsKey("NonexistencePreconditions")
? jobRequestObject.JobParameters["NonexistencePreconditions"]
: null;
var deletePatterns = jobRequestObject.JobParameters.ContainsKey("Deletes")
? jobRequestObject.JobParameters["Deletes"]
: null;
var insertTriples = jobRequestObject.JobParameters.ContainsKey("Inserts")
? jobRequestObject.JobParameters["Inserts"]
: null;
var defaultGraphUri =
jobRequestObject.JobParameters.ContainsKey("DefaultGraphUri") &&
!String.IsNullOrEmpty(jobRequestObject.JobParameters["DefaultGraphUri"])
? jobRequestObject.JobParameters["DefaultGraphUri"]
: null;
queuedJobInfo = brightstarService.ExecuteTransaction(
storeName, new UpdateTransactionData
{
ExistencePreconditions = preconditions,
NonexistencePreconditions = nonexistence,
DeletePatterns = deletePatterns,
InsertData = insertTriples,
DefaultGraphUri = defaultGraphUri
},
false,
label);
break;
case "updatestats":
AssertPermission(StorePermissions.Admin);
queuedJobInfo = brightstarService.UpdateStatistics(storeName, label);
break;
default:
return(HttpStatusCode.BadRequest);
}
var jobUri = (string)storeName + "/jobs/" + queuedJobInfo.JobId;
return(Negotiate.WithModel(new JobResponseModel
{
JobId = queuedJobInfo.JobId,
Label = queuedJobInfo.Label,
StatusMessage = queuedJobInfo.StatusMessage,
JobStatus = queuedJobInfo.GetJobStatusString(),
ExceptionInfo = queuedJobInfo.ExceptionInfo,
QueuedTime = queuedJobInfo.QueuedTime,
StartTime = queuedJobInfo.StartTime,
EndTime = queuedJobInfo.EndTime
})
.WithHeader("Location", jobUri)
.WithStatusCode(HttpStatusCode.Created));
}
catch (UnauthorizedAccessException)
{
return(HttpStatusCode.Unauthorized);
}
};
}
public void ExecuteQueryForHtml(DateTime?ifNotModifiedSince)
{
Stream resultsStream;
// No query => no results rather than triggering an error
if (String.IsNullOrEmpty(_sparqlRequest.Query))
{
HasFormattedResults = false;
RawResults = String.Empty;
return;
}
try
{
if (_commitId > 0)
{
var commitPointInfo = _service.GetCommitPoint(_storeName, _commitId);
if (commitPointInfo == null)
{
throw new InvalidCommitPointException();
}
resultsStream = _service.ExecuteQuery(commitPointInfo, _sparqlRequest.Query,
_sparqlRequest.DefaultGraphUri, ResultsFormat);
}
else
{
resultsStream = _service.ExecuteQuery(_storeName, _sparqlRequest.Query,
_sparqlRequest.DefaultGraphUri,
ifNotModifiedSince, ResultsFormat);
}
}
catch (Exception ex)
{
ErrorMessage = FormatExceptionMessages(ex);
return;
}
if (ResultsFormat == SparqlResultsFormat.Xml)
{
XDocument resultsDoc = XDocument.Load(resultsStream);
HasFormattedResults = true;
Variables = resultsDoc.GetVariableNames().ToList();
Rows = new List <object[]>();
var varCount = Variables.Count;
foreach (var resultRow in resultsDoc.SparqlResultRows())
{
var row = new object[varCount];
for (int i = 0; i < varCount; i++)
{
row[i] = resultRow.GetColumnValue(Variables[i]);
}
Rows.Add(row);
}
}
else
{
HasFormattedResults = false;
using (var rdr = new StreamReader(resultsStream))
{
RawResults = rdr.ReadToEnd();
}
}
}
