private void ProcessAttributeAssignOrUpdateList(IVertexType vertexType,
GQLPluginManager myPluginManager,
IGraphDB myGraphDB,
SecurityToken mySecurityToken,
Int64 myTransactionToken,
AttributeAssignOrUpdateList attributeAssignOrUpdateList,
ref RequestUpdate result)
{
Type myRequestedType;
switch (attributeAssignOrUpdateList.CollectionDefinition.CollectionType)
{
case CollectionType.Set:
#region set
if (((TupleDefinition)attributeAssignOrUpdateList.CollectionDefinition.TupleDefinition).All(_ => _.Value is ValueDefinition))
{
#region base-set
//has to be list of comparables
SetCollectionWrapper setWrapper = new SetCollectionWrapper();
if (vertexType.HasProperty(attributeAssignOrUpdateList.AttributeIDChain.ContentString))
{
myRequestedType = ((IPropertyDefinition)vertexType.GetAttributeDefinition(attributeAssignOrUpdateList.AttributeIDChain.ContentString)).BaseType;
}
else
{
myRequestedType = typeof(String);
}
foreach (var aTupleElement in (TupleDefinition)attributeAssignOrUpdateList.CollectionDefinition.TupleDefinition)
{
setWrapper.Add(((ValueDefinition)aTupleElement.Value).Value.ConvertToIComparable(myRequestedType));
}
result.AddElementsToCollection(attributeAssignOrUpdateList.AttributeIDChain.ContentString, setWrapper);
#endregion
}
else
{
#region edge-set
EdgePredefinition edgeDefinition = new EdgePredefinition(attributeAssignOrUpdateList.AttributeIDChain.ContentString);
if (!vertexType.HasAttribute(attributeAssignOrUpdateList.AttributeIDChain.ContentString))
{
throw new InvalidVertexAttributeException(String.Format("The vertex type {0} has no attribute named {1}.", vertexType.Name, attributeAssignOrUpdateList.AttributeIDChain.ContentString));
}
IAttributeDefinition attribute = vertexType.GetAttributeDefinition(attributeAssignOrUpdateList.AttributeIDChain.ContentString);
foreach (var aTupleElement in (TupleDefinition)attributeAssignOrUpdateList.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");
}
}
if (attributeAssignOrUpdateList.Assign)
{
result.UpdateEdge(edgeDefinition);
}
else
{
result.AddElementsToCollection(attributeAssignOrUpdateList.AttributeIDChain.ContentString, edgeDefinition);
}
#endregion
}
#endregion
return;
case CollectionType.List:
#region list
//has to be list of comparables
ListCollectionWrapper listWrapper = new ListCollectionWrapper();
if (vertexType.HasProperty(attributeAssignOrUpdateList.AttributeIDChain.ContentString))
{
myRequestedType = ((IPropertyDefinition)vertexType.GetAttributeDefinition(attributeAssignOrUpdateList.AttributeIDChain.ContentString)).BaseType;
}
else
{
myRequestedType = typeof(String);
}
foreach (var aTupleElement in (TupleDefinition)attributeAssignOrUpdateList.CollectionDefinition.TupleDefinition)
{
listWrapper.Add(((ValueDefinition)aTupleElement.Value).Value.ConvertToIComparable(myRequestedType));
}
result.AddElementsToCollection(attributeAssignOrUpdateList.AttributeIDChain.ContentString, listWrapper);
#endregion
return;
case CollectionType.SetOfUUIDs:
#region SetOfUUIDs
EdgePredefinition anotheredgeDefinition = new EdgePredefinition(attributeAssignOrUpdateList.AttributeIDChain.ContentString);
foreach (var aTupleElement in ((VertexTypeVertexIDCollectionNode)attributeAssignOrUpdateList.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.AddElementsToCollection(attributeAssignOrUpdateList.AttributeIDChain.ContentString, anotheredgeDefinition);
#endregion
return;
default:
return;
}
}
/// <summary>
/// Parsing properties.
/// </summary>
/// <param name="myVertexNode">The vertex node.</param>
/// <returns>A tuple with the property name and the value.</returns>
private Tuple <String, Object> ParseProperties(XmlNode myVertexNode)
{
var property = myVertexNode.FirstChild;
String key = String.Empty;
Object value = null;
String type = String.Empty;
Boolean isCollectionSet = false;
Boolean isCollectionList = false;
while (property != null)
{
if (property.HasChildNodes)
{
switch (property.Name)
{
case "ID":
key = property.InnerText;
break;
case "Type":
if (property.InnerText.Contains(typeof(ListCollectionWrapper).Name))
{
type = property.InnerText.Split('(', ')').ElementAt(1);
isCollectionList = true;
}
else if (property.InnerText.Contains(typeof(SetCollectionWrapper).Name))
{
type = property.InnerText.Split('(', ')').ElementAt(1);
isCollectionSet = true;
}
else
{
type = property.InnerText;
}
break;
case "Value":
if (isCollectionList)
{
Regex regExp = new Regex(@"(?<=\[)(.*?)(?=\])");
var matches = regExp.Matches(property.InnerText);
value = new ListCollectionWrapper();
foreach (var item in matches)
{
((ListCollectionWrapper)value).Add((IComparable)TypeMapper(type, item.ToString()));
}
isCollectionList = false;
}
else if (isCollectionSet)
{
Regex regExp = new Regex(@"\[(/?[^\]]+)\]");
var matches = regExp.Matches(property.InnerText);
value = new SetCollectionWrapper();
foreach (var item in matches)
{
((SetCollectionWrapper)value).Add((IComparable)TypeMapper(type, item.ToString()));
}
isCollectionSet = false;
}
else
{
value = TypeMapper(type, property.InnerText);
}
break;
}
}
property = property.NextSibling;
}
if (value == null)
{
if (isCollectionList)
{
value = new ListCollectionWrapper();
}
if (isCollectionSet)
{
value = new SetCollectionWrapper();
}
}
return(new Tuple <string, object>(key, value));
}
