private static void ProcessStructuredProperty(GQLPluginManager myPluginManager,
IGraphDB myGraphDB,
SecurityToken mySecurityToken,
Int64 myTransactionToken,
IVertexType vertexType,
AAttributeAssignOrUpdate aAttributeDefinition,
ref RequestInsertVertex result)
{
#region AttributeAssignOrUpdateValue
if (aAttributeDefinition is AttributeAssignOrUpdateValue)
{
var value = aAttributeDefinition as AttributeAssignOrUpdateValue;
result.AddUnknownProperty(value.AttributeIDChain.ContentString, value.Value);
return;
}
#endregion
#region AttributeAssignOrUpdateList
if (aAttributeDefinition is AttributeAssignOrUpdateList)
{
var value = aAttributeDefinition as AttributeAssignOrUpdateList;
switch (value.CollectionDefinition.CollectionType)
{
case CollectionType.Set:
#region set
if (!vertexType.HasAttribute(aAttributeDefinition.AttributeIDChain.ContentString))
{
throw new InvalidVertexAttributeException(String.Format("The vertex type {0} has no attribute named {1}.",
vertexType.Name,
aAttributeDefinition.AttributeIDChain.ContentString));
}
IAttributeDefinition attribute = vertexType.GetAttributeDefinition(aAttributeDefinition
.AttributeIDChain
.ContentString);
EdgePredefinition edgeDefinition = new EdgePredefinition(value.AttributeIDChain.ContentString);
foreach (var aTupleElement in (TupleDefinition)value.CollectionDefinition.TupleDefinition)
{
if (aTupleElement.Value is BinaryExpressionDefinition)
{
#region BinaryExpressionDefinition
var targetVertexType = ((IOutgoingEdgeDefinition)attribute).TargetVertexType;
foreach (var aVertex in ProcessBinaryExpression(
(BinaryExpressionDefinition)aTupleElement.Value,
myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, targetVertexType))
{
var inneredge = new EdgePredefinition().AddVertexID(aVertex.VertexTypeID, aVertex.VertexID);
foreach (var aStructuredProperty in aTupleElement.Parameters)
{
inneredge.AddUnknownProperty(aStructuredProperty.Key, aStructuredProperty.Value);
}
edgeDefinition.AddEdge(inneredge);
}
#endregion
}
else
{
throw new NotImplementedQLException("TODO");
}
}
result.AddEdge(edgeDefinition);
#endregion)
return;
case CollectionType.List:
#region list
//has to be list of comparables
ListCollectionWrapper listWrapper = new ListCollectionWrapper();
Type myRequestedType;
if (vertexType.HasProperty(aAttributeDefinition.AttributeIDChain.ContentString))
{
myRequestedType = ((IPropertyDefinition)vertexType
.GetAttributeDefinition(aAttributeDefinition.AttributeIDChain.ContentString)).BaseType;
}
else
{
myRequestedType = typeof(String);
}
foreach (var aTupleElement in (TupleDefinition)value.CollectionDefinition.TupleDefinition)
{
listWrapper.Add(((ValueDefinition)aTupleElement.Value).Value.ConvertToIComparable(myRequestedType));
}
result.AddStructuredProperty(aAttributeDefinition.AttributeIDChain.ContentString, listWrapper);
#endregion)
return;
case CollectionType.SetOfUUIDs:
#region SetOfUUIDs
EdgePredefinition anotheredgeDefinition = new EdgePredefinition(value.AttributeIDChain.ContentString);
foreach (var aTupleElement in ((VertexTypeVertexIDCollectionNode)value.CollectionDefinition.TupleDefinition).Elements)
{
foreach (var aVertexIDTuple in aTupleElement.VertexIDs)
{
var innerEdge = new EdgePredefinition();
foreach (var aStructuredProperty in aVertexIDTuple.Item2)
{
innerEdge.AddUnknownProperty(aStructuredProperty.Key, aStructuredProperty.Value);
}
innerEdge.AddVertexID(aTupleElement.ReferencedVertexTypeName, aVertexIDTuple.Item1);
anotheredgeDefinition.AddEdge(innerEdge);
}
}
result.AddEdge(anotheredgeDefinition);
#endregion
return;
default:
return;
}
}
#endregion
#region SetRefNode
if (aAttributeDefinition is AttributeAssignOrUpdateSetRef)
{
var value = aAttributeDefinition as AttributeAssignOrUpdateSetRef;
var edgeDefinition = new EdgePredefinition(value.AttributeIDChain.ContentString);
if (value.SetRefDefinition.IsREFUUID)
{
#region direct vertex ids
foreach (var aTupleElement in value.SetRefDefinition.TupleDefinition)
{
if (aTupleElement.Value is ValueDefinition)
{
#region ValueDefinition
foreach (var aProperty in aTupleElement.Parameters)
{
edgeDefinition.AddUnknownProperty(aProperty.Key, aProperty.Value);
}
edgeDefinition.AddVertexID(value.SetRefDefinition.ReferencedVertexType,
Convert.ToInt64(((ValueDefinition) aTupleElement.Value).Value));
#endregion
}
else
{
throw new NotImplementedQLException("TODO");
}
}
#endregion
}
else
{
#region expression
if (!vertexType.HasAttribute(aAttributeDefinition.AttributeIDChain.ContentString))
{
throw new InvalidVertexAttributeException(String.Format("The vertex type {0} has no attribute named {1}.",
vertexType.Name,
aAttributeDefinition.AttributeIDChain.ContentString));
}
IAttributeDefinition attribute = vertexType.GetAttributeDefinition(aAttributeDefinition.AttributeIDChain.ContentString);
foreach (var aTupleElement in value.SetRefDefinition.TupleDefinition)
{
if (aTupleElement.Value is BinaryExpressionDefinition)
{
#region BinaryExpressionDefinition
var targetVertexType = ((IOutgoingEdgeDefinition)attribute).TargetVertexType;
var vertexIDs = ProcessBinaryExpression(
(BinaryExpressionDefinition)aTupleElement.Value,
myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, targetVertexType).ToList();
if (vertexIDs.Count > 1)
{
throw new ReferenceAssignmentExpectedException(String.Format("It is not possible to create a single edge pointing to {0} vertices",
vertexIDs.Count));
}
var inneredge = new EdgePredefinition();
foreach (var aStructuredProperty in aTupleElement.Parameters)
{
edgeDefinition.AddUnknownProperty(aStructuredProperty.Key, aStructuredProperty.Value);
}
edgeDefinition.AddVertexID(vertexIDs.FirstOrDefault().VertexTypeID, vertexIDs.FirstOrDefault().VertexID);
#endregion
}
else
{
throw new NotImplementedQLException("");
}
}
#endregion
}
result.AddEdge(edgeDefinition);
return;
}
#endregion
}
/// <summary>
/// Reads the attributes of a vertex based on the attribute definitions.
///
/// Updates the RequestInsertVertex with the read attributes.
/// </summary>
/// <param name='myReader'>
/// XmlReader
/// </param>
/// <param name='myRequestInsertVertex'>
/// RequestInsertVertex where the attributes will be added.
/// </param>
private void ReadVertexAttributes(XmlReader myReader, RequestInsertVertex myRequestInsertVertex)
{
using (var vertexDataReader = myReader.ReadSubtree())
{
//read attributes
while (vertexDataReader.Read())
{
if (vertexDataReader.Name == GraphMLTokens.DATA)
{
var key = myReader.GetAttribute(GraphMLTokens.KEY);
var value = myReader.ReadElementContentAsString();
if (key != null)
{
var tupel = _AttributeDefinitions[key];
if (tupel != null)
{
var attrName = tupel.Item2;
var attrType = tupel.Item3;
if (value == null) //use default value
{
value = tupel.Item4;
}
if (attrType != null && value != null)
{
// myRequestInsertVertex.AddStructuredProperty(attrName,
// (IComparable)ParseValue(attrType, value));
myRequestInsertVertex.AddUnknownProperty(attrName,
Convert.ChangeType(ParseValue(attrType, value),
typeof(String),
CultureInfo.GetCultureInfo("en-us")));
}
}
}
}
}
}
}