public void ExecuteGQL(String myQuery, Dictionary <String, String> myParams)
{
IQueryResult _QueryResult = null;
try
{
var transactionID = _GraphDS.BeginTransaction(null);
_QueryResult = _GraphDS.Query(null, transactionID, myQuery, "sones.gql");
GenerateResultOutput(_QueryResult, myParams);
_GraphDS.CommitTransaction(null, transactionID);
}
catch (Exception ex)
{
if (ex.Message != null)
{
_ErrorMsg.Error400_BadRequest(ex.Message + ex.StackTrace);
}
else
{
_ErrorMsg.Error400_BadRequest("Error from " + ex.Source + ex.StackTrace);
}
}
}
public void Execute(IGraphDS myGraphDS, long myIterations, Converter.WriteLineToConsole MyWriteLine)
{
var transactionID = myGraphDS.BeginTransaction(null);
var vertexType = myGraphDS.GetVertexType<IVertexType>(null, transactionID, new RequestGetVertexType("City"), (stats, vType) => vType);
var inCountryProperty = vertexType.GetOutgoingEdgeDefinition("InCountry");
var nameProperty = vertexType.GetPropertyDefinition("Name");
List<double> timeForCityCountryTraversal = new List<double>();
for (int i = 0; i < myIterations; i++)
{
Stopwatch sw = Stopwatch.StartNew();
foreach (var aCity in myGraphDS.GetVertices<IEnumerable<IVertex>>(null, transactionID, new RequestGetVertices("City"), (stats, v) => v))
{
var UK_Vertex = aCity.GetOutgoingSingleEdge(inCountryProperty.ID).GetTargetVertex();
}
sw.Stop();
timeForCityCountryTraversal.Add(sw.Elapsed.TotalMilliseconds);
}
myGraphDS.CommitTransaction(null, transactionID);
String result = GenerateTable(timeForCityCountryTraversal) + Environment.NewLine + String.Format("Average: {0}ms Median: {1}ms StandardDeviation {2}ms ", Statistics.Average(timeForCityCountryTraversal), Statistics.Median(timeForCityCountryTraversal), Statistics.StandardDeviation(timeForCityCountryTraversal));
Console.WriteLine(result);
MyWriteLine(result);
}
public void SocialNetwork(IGraphDS myGraphDS)
{
var transactionID = myGraphDS.BeginTransaction(null);
#region ontology [API]
var entityTypeDefinition = new VertexTypePredefinition(_vtEntity)
.AddProperty(new PropertyPredefinition(_pName, typeof(String).Name));
var userTypeDefinition =
new VertexTypePredefinition(_vtUser)
.SetSuperTypeName(_vtEntity)
.AddOutgoingEdge(new OutgoingEdgePredefinition(_pHasVisited, _vtCity).SetMultiplicityAsMultiEdge());
var placeTypeDefinition =
new VertexTypePredefinition(_vtPlace)
.SetSuperTypeName(_vtEntity);
var countryTypeDefinition =
new VertexTypePredefinition(_vtCountry)
.SetSuperTypeName(_vtPlace)
.AddIncomingEdge(new IncomingEdgePredefinition(_pCities, _vtCity, _pInCountry));
var cityTypeDefinition =
new VertexTypePredefinition(_vtCity)
.SetSuperTypeName(_vtPlace)
.AddOutgoingEdge(new OutgoingEdgePredefinition(_pInCountry, _vtCountry));
Dictionary<String, IVertexType> vertexTypes = myGraphDS.CreateVertexTypes(null, transactionID,
new RequestCreateVertexTypes(new List<VertexTypePredefinition>
{ entityTypeDefinition,
userTypeDefinition,
placeTypeDefinition,
countryTypeDefinition,
cityTypeDefinition
}),
(stats, types) => types.ToDictionary(vType => vType.Name, vType => vType));
#endregion
#region country [GQL]
ExecuteQuery("insert into " + _vtCountry + " values ( " + _pName + " = 'UK' )", myGraphDS, transactionID);
#endregion
#region cities [GQL]
var cityVertexIDs = new List<long>();
foreach (var aCity in new List<String> { "London", "Manchester", "Edinburgh", "Cambridge", "Oxford" })
{
cityVertexIDs.Add(ExecuteQuery("insert into " + _vtCity + " values ( " + _pName + " = '" + aCity + "', " + _pInCountry + " = REF(" + _pName + " = 'UK'))", myGraphDS, transactionID).First().GetProperty<long>("VertexID"));
}
#endregion
#region user [API]
var userType = vertexTypes[_vtUser];
var cityType = vertexTypes[_vtCity];
Parallel.ForEach(
Partitioner.Create(0, _countOfUsers, _countOfUsers / Environment.ProcessorCount),
range =>
{
for (long i = range.Item1; i < range.Item2; i++)
{
CreateANewUser(userType, i, myGraphDS, cityVertexIDs, cityType, transactionID);
}
});
#endregion
myGraphDS.CommitTransaction(null, transactionID);
}
public void Execute(IGraphDS myGraphDS, long myIterations, Converter.WriteLineToConsole MyWriteLine)
{
var transactionID = myGraphDS.BeginTransaction(null);
var vertexType = myGraphDS.GetVertexType<IVertexType>(null, transactionID, new RequestGetVertexType(_interestingVertexType), (stats, vType) => vType);
var vertices = myGraphDS.GetVertices<IEnumerable<IVertex>>(null, transactionID, new RequestGetVertices(_interestingVertexType), (stats, v) => v);
Stopwatch sw = Stopwatch.StartNew();
for (int i = 0; i < myIterations - 1; i++)
{
CountAllEdgesParallel(vertices);
}
var edgeCount = CountAllEdgesParallel(vertices);
sw.Stop();
myGraphDS.CommitTransaction(null, transactionID);
MyWriteLine(String.Format("Counted {0} edges.", edgeCount));
MyWriteLine(String.Format("Traversed {0} edges per second", edgeCount / (sw.Elapsed.TotalSeconds / myIterations)));
}
public void SocialNetwork(IGraphDS myGraphDS)
{
Random PRNG = new Random();
List<long> vertexIDs = new List<long>();
var transactionID = myGraphDS.BeginTransaction(null);
//create the user type
var usertype = myGraphDS.CreateVertexType<IVertexType>(null, transactionID,
new RequestCreateVertexType(
new VertexTypePredefinition("User")
.AddProperty(new PropertyPredefinition("Name", "String"))
.AddProperty(new PropertyPredefinition("Age", "Int32"))
.AddIndex(new IndexPredefinition("MyAgeIndex").SetIndexType("sonesindex").AddProperty("Age").SetVertexType("User"))
.AddOutgoingEdge(new OutgoingEdgePredefinition("Friends", "User").SetMultiplicityAsMultiEdge())
),
(stats, vType) => vType);
Console.Write("Imported User: ");
for (long i = 0; i < _countOfUsers; i++)
{
if (i % 1000 == 0)
{
String iString = i.ToString();
Console.Write(iString);
Console.CursorLeft -= iString.Length;
}
vertexIDs.Add(CreateANewUser(usertype, i, vertexIDs, PRNG, myGraphDS, transactionID));
}
}
public void Execute(IGraphDS myGraphDS, long myIterations, Converter.WriteLineToConsole MyWriteLine)
{
var transactionID = myGraphDS.BeginTransaction(null);
var vertexType = myGraphDS.GetVertexType<IVertexType>(null, transactionID, new RequestGetVertexType(_interestingVertexType), (stats, vType) => vType);
var vertexList = myGraphDS.GetVertices<List<IVertex>>(null, transactionID, new RequestGetVertices(_interestingVertexType), (stats, vertices) => vertices.ToList());
List<double> tps = new List<double>();
long edgeCount= 0;
for (int i = 0; i < myIterations; i++)
{
Stopwatch sw = Stopwatch.StartNew();
edgeCount = CountAllEdgesParallelPartitioner(vertexType, myGraphDS, vertexList);
sw.Stop();
tps.Add(edgeCount / sw.Elapsed.TotalSeconds);
}
myGraphDS.CommitTransaction(null, transactionID);
MyWriteLine(String.Format("Traversed {0} edges.", edgeCount));
MyWriteLine(String.Format("Traversed {0} edges. Average: {1}TPS Median: {2}TPS StandardDeviation {3}TPS ", edgeCount, Statistics.Average(tps), Statistics.Median(tps), Statistics.StandardDeviation(tps)));
}
public TagExample()
{
//Make a new GraphDB instance
GraphDB = new SonesGraphDB();
#region Configure PlugIns
// Plugins are loaded by the GraphDS with their according PluginDefinition and only if they are listed
// below - there is no auto-discovery for plugin types in GraphDS (!)
#region Query Languages
// the GQL Query Language Plugin needs the GraphDB instance as a parameter
List<PluginDefinition> QueryLanguages = new List<PluginDefinition>();
Dictionary<string, object> GQL_Parameters = new Dictionary<string, object>();
GQL_Parameters.Add("GraphDB", GraphDB);
QueryLanguages.Add(new PluginDefinition("sones.gql", GQL_Parameters));
#endregion
#endregion
GraphDSPlugins PluginsAndParameters = new GraphDSPlugins(null, QueryLanguages);
var credentials = new UserPasswordCredentials("User", "test");
GraphDSServer = new GraphDS_Server(GraphDB, (ushort)9975, "User", "test", IPAddress.Any, PluginsAndParameters);
GraphDSServer.LogOn(credentials);
//GraphDSServer.StartRESTService("", Properties.Settings.Default.ListeningPort, IPAddress.Any);
//get a Security- and TransactionToken
SecToken = GraphDSServer.LogOn(credentials);
TransToken = GraphDSServer.BeginTransaction(SecToken);
}