public TResult Update <TResult>(sones.Library.Commons.Security.SecurityToken mySecurityToken, Int64 myTransactionToken, RequestUpdate myRequestUpdate, Converter.UpdateResultConverter <TResult> myOutputconverter)
{
return(_iGraphDB.Update <TResult>(mySecurityToken,
myTransactionToken,
myRequestUpdate,
myOutputconverter));
}
/// <summary>
/// Reads an edge information from the GraphML File and inserts
/// the edge in the GraphDB by altering the existing source vertex.
///
/// Currently only the "weight" attribute will be considered and
/// has to be annotated correctly (see class documentation).
/// </summary>
/// <param name='myReader'>
/// XmlReader
/// </param>
private void ReadEdge(XmlReader myReader)
{
#region read edge data
var sourceID = ReadVertexID(myReader, GraphMLTokens.SOURCE);
var targetID = ReadVertexID(myReader, GraphMLTokens.TARGET);
if (!_VertexIDMapper.ContainsKey(sourceID) || !_VertexIDMapper.ContainsKey(targetID))
{
throw new InvalidDataException(String.Format(
"Source or Target vertexID for edge ({0},{1}) doesn't exist",
sourceID,
targetID));
}
// get the weight
var edgeWeight = ReadEdgeWeight(myReader);
#endregion
#region create edge (update vertex)
var hyperEdge = new EdgePredefinition(_EdgeTypeName);
hyperEdge.AddEdge(new EdgePredefinition()
.AddVertexID(_VertexTypeName, _VertexIDMapper[targetID])
.AddUnknownProperty(
GraphMLTokens.EDGE_WEIGHT,
Convert.ChangeType(edgeWeight, typeof(String), CultureInfo.GetCultureInfo("en-us"))
));
var requestUpdate = new RequestUpdate(new RequestGetVertices(_VertexTypeName, new List <long>()
{
_VertexIDMapper[sourceID]
}));
requestUpdate.AddElementsToCollection(_EdgeTypeName, hyperEdge);
// process the update
_GraphDB.Update <IEnumerable <IVertex> >(
_SecurityToken,
_TransactionToken,
requestUpdate,
(stats, v) => v
);
_EdgeCount++;
#endregion
}
/// <summary>
/// Executes the statement and returns a IQueryResult.
/// </summary>
public override IQueryResult Execute(IGraphDB myGraphDB,
IGraphQL myGraphQL,
GQLPluginManager myPluginManager,
String myQuery,
SecurityToken mySecurityToken,
Int64 myTransactionToken)
{
Query = myQuery;
return(myGraphDB.Update(mySecurityToken,
myTransactionToken,
GenerateUpdateRequest(myGraphDB,
myPluginManager,
mySecurityToken,
myTransactionToken),
GenerateOutput));
}
/// <summary>
/// Executes the statement and returns a QueryResult.
/// </summary>
public override QueryResult Execute(IGraphDB myGraphDB, IGraphQL myGraphQL, GQLPluginManager myPluginManager, String myQuery, SecurityToken mySecurityToken, TransactionToken myTransactionToken)
{
Query = myQuery;
return myGraphDB.Update(mySecurityToken, myTransactionToken, GenerateUpdateRequest(myGraphDB, myPluginManager, mySecurityToken, myTransactionToken), GenerateOutput);
}
