private GraphModel GraphSetup()
{
GraphDB db = new GraphDB();
var graph = new GraphModel();
//get all the nodes
foreach (var node in db.Nodes)
{
var dataVertex = new DataVertex()
{
ID = node.Id, Text = node.label
};
graph.AddVertex(dataVertex);
nodeList.Add(node.Id, node.label);
}
var vlist = graph.Vertices.ToList();
//add all the edges
foreach (var node in vlist)
{
Dictionary <int, int> edges = new Dictionary <int, int>();
foreach (var edge in db.Edges.Where(x => x.FromNode == node.ID))
{
var dataEdge = new DataEdge(node, vlist[vlist.FindIndex(x => x.ID == edge.ToNode)]);
graph.AddEdge(dataEdge);
edges.Add(edge.ToNode, 1);
}
vertices.Add(node.ID, edges);
}
return(graph);
}
public void UpdateDB()
{
GraphDB db = new GraphDB();
//get the path to the folder with all the xml files
var pathtoproject = AppDomain.CurrentDomain.BaseDirectory;
foreach (string file in Directory.EnumerateFiles(Path.Combine(pathtoproject, inputfolder), "*.xml"))
{
//use the datacontractserialize to deserialize the xml content
// check the database and update changed values or insert values if they dont exist
DataContractSerializer deserializer = new DataContractSerializer(typeof(Node));
using (FileStream fs = new FileStream(file, FileMode.Open))
{
using (
var reader = XmlDictionaryReader.CreateTextReader(fs,
new XmlDictionaryReaderQuotas()))
{
var node = (Node)deserializer.ReadObject(reader, true);
bool changed;
if (changed = !db.Nodes.Any(x => x.Id == node.Id && x.label.Equals(node.Label)))
{
db.Nodes.RemoveRange(db.Nodes.Where(x => x.Id == node.Id || x.label.Equals(node.Label)));
db.Nodes.Add(new Nodes()
{
Id = node.Id, label = node.Label
});
}
foreach (var id in node.AdjacentNodes)
{
if (!changed)
{
db.Edges.RemoveRange(db.Edges.Where(x => x.FromNode == node.Id));
}
if (!db.Edges.Any(x => x.FromNode == node.Id && x.ToNode == id))
{
db.Edges.Add(new Edges()
{
FromNode = node.Id, ToNode = id, Weight = 1
});
}
}
db.SaveChanges();
}
}
}
}
public override bool ValidateWorkingBase(Object myWorkingBase, GraphDB.IGraphDB myGraphDB, Library.Commons.Security.SecurityToken mySecurityToken, Int64 myTransactionToken)
{
if (myWorkingBase != null)
{
return
(myWorkingBase is IPropertyDefinition) &&
((IPropertyDefinition)myWorkingBase).BaseType == typeof(String);
}
else
{
return false;
}
}
public override bool ValidateWorkingBase(Object myWorkingBase, GraphDB.IGraphDB myGraphDB, Library.Commons.Security.SecurityToken mySecurityToken, Int64 myTransactionToken)
{
if (myWorkingBase != null)
{
if ((myWorkingBase is IAttributeDefinition) &&
(myWorkingBase as IAttributeDefinition).Kind == AttributeType.Property &&
(myWorkingBase as IPropertyDefinition).IsUserDefinedType)
{
return false;
}
else
{
return true;
}
}
else
{
return false;
}
throw new NotImplementedException();
}
private GraphModel GraphSetup()
{
GraphDB db = new GraphDB();
var graph = new GraphModel();
//get all the nodes
foreach (var node in db.Nodes)
{
var dataVertex = new DataVertex() { ID = node.Id, Text = node.label };
graph.AddVertex(dataVertex);
nodeList.Add(node.Id,node.label);
}
var vlist = graph.Vertices.ToList();
//add all the edges
foreach (var node in vlist)
{
Dictionary<int,int> edges = new Dictionary<int, int>();
foreach (var edge in db.Edges.Where(x => x.FromNode == node.ID))
{
var dataEdge = new DataEdge(node, vlist[vlist.FindIndex(x => x.ID == edge.ToNode)]);
graph.AddEdge(dataEdge);
edges.Add(edge.ToNode,1);
}
vertices.Add(node.ID,edges);
}
return graph;
}
public override IVertexView CreateResult(GraphDB.TypeSystem.IVertexType myAlteredVertexType)
{
throw new NotImplementedException();
}
public override bool ValidateWorkingBase(Object myWorkingBase, GraphDB.IGraphDB myGraphDB, Library.Commons.Security.SecurityToken mySecurityToken, Library.Commons.Transaction.TransactionToken myTransactionToken)
{
if (myWorkingBase != null)
{
return true;
}
else
{
return false;
}
}
public override bool ValidateWorkingBase(Object myWorkingBase, GraphDB.IGraphDB myGraphDB, Library.Commons.Security.SecurityToken mySecurityToken, Library.Commons.Transaction.TransactionToken myTransactionToken)
{
if (myWorkingBase == typeof(Int64))
{
return true;
}
else if ((myWorkingBase is IAttributeDefinition) && (myWorkingBase as IAttributeDefinition).Kind == AttributeType.Property && (myWorkingBase as IPropertyDefinition).BaseType.Name.Equals(("Int64")))
{
return true;
}
else
{
return false;
}
}
