private void ProcessAttributeRemoveList(IVertexType vertexType, GQLPluginManager myPluginManager, IGraphDB myGraphDB, SecurityToken mySecurityToken, TransactionToken myTransactionToken, AttributeRemoveList attributeRemoveList, ref RequestUpdate result)
{
if (attributeRemoveList.TupleDefinition is VertexTypeVertexIDCollectionNode)
{
#region setofUUIDs
var edgedef = new EdgePredefinition(attributeRemoveList.AttributeName);
List<EdgePredefinition> toBeRemovedEdges = new List<EdgePredefinition>();
foreach (var aTupleElement in ((VertexTypeVertexIDCollectionNode)attributeRemoveList.TupleDefinition).Elements)
{
foreach (var aVertexIDTuple in aTupleElement.VertexIDs)
{
var innerEdge = new EdgePredefinition();
innerEdge.AddVertexID(aTupleElement.ReferencedVertexTypeName, aVertexIDTuple.Item1);
edgedef.AddEdge(innerEdge);
}
}
result.RemoveElementsFromCollection(attributeRemoveList.AttributeName, edgedef);
#endregion
}
else if (attributeRemoveList.TupleDefinition is TupleDefinition)
{
if (((TupleDefinition)attributeRemoveList.TupleDefinition).All(_ => _.Value is ValueDefinition))
{
#region base-set
//has to be list of comparables
ListCollectionWrapper listWrapper = new ListCollectionWrapper();
Type myRequestedType;
if (vertexType.HasProperty(attributeRemoveList.AttributeIDChain.ContentString))
{
myRequestedType = ((IPropertyDefinition)vertexType.GetAttributeDefinition(attributeRemoveList.AttributeIDChain.ContentString)).BaseType;
}
else
{
myRequestedType = typeof(String);
}
foreach (var aTupleElement in (TupleDefinition)attributeRemoveList.TupleDefinition)
{
listWrapper.Add(((ValueDefinition)aTupleElement.Value).Value.ConvertToIComparable(myRequestedType));
}
result.RemoveElementsFromCollection(attributeRemoveList.AttributeIDChain.ContentString, listWrapper);
#endregion
}
else
{
#region binaryExpression
Dictionary<String, EdgePredefinition> toBeRemovedEdges = new Dictionary<String, EdgePredefinition>();
foreach (var aTupleElement in ((TupleDefinition)attributeRemoveList.TupleDefinition))
{
if (aTupleElement.Value is BinaryExpressionDefinition)
{
#region BinaryExpressionDefinition
if (!vertexType.HasAttribute(attributeRemoveList.AttributeName))
{
throw new InvalidVertexAttributeException(String.Format("The vertex type {0} has no attribute named {1}.", vertexType.Name, attributeRemoveList.AttributeName));
}
IAttributeDefinition attribute = vertexType.GetAttributeDefinition(attributeRemoveList.AttributeName);
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));
}
EdgePredefinition outValue = null;
if (toBeRemovedEdges.TryGetValue(attributeRemoveList.AttributeName, out outValue))
{
foreach (var aVertex in vertexIDs)
{
outValue.AddEdge(new EdgePredefinition().AddVertexID(aVertex.VertexTypeID, aVertex.VertexID));
}
}
else
{
EdgePredefinition edge = new EdgePredefinition(attributeRemoveList.AttributeName);
foreach (var aVertex in vertexIDs)
{
edge.AddEdge(new EdgePredefinition().AddVertexID(aVertex.VertexTypeID, aVertex.VertexID));
}
toBeRemovedEdges.Add(attributeRemoveList.AttributeName, edge);
}
#endregion
}
else
{
throw new NotImplementedQLException("");
}
}
foreach (var item in toBeRemovedEdges)
{
result.RemoveElementsFromCollection(item.Key, item.Value);
}
#endregion
}
}
else
{
throw new NotImplementedException();
}
}
public static RequestUpdate MakeRequestUpdate(ServiceUpdateChangeset myUpdateChangeset)
{
#region PreRequest
RequestGetVertices PreRequest = null;
if (myUpdateChangeset.Expression == null)
{
if (myUpdateChangeset.VertexTypeName != null)
{
PreRequest = MakeRequestGetVertices(myUpdateChangeset.VertexTypeName, myUpdateChangeset.VertexIDs);
}
else
{
PreRequest = MakeRequestGetVertices(myUpdateChangeset.VertexTypeID, myUpdateChangeset.VertexIDs);
}
}
else
{
PreRequest = MakeRequestGetVertices(myUpdateChangeset.Expression);
}
RequestUpdate Request = new RequestUpdate(PreRequest);
if (!String.IsNullOrEmpty(myUpdateChangeset.Comment))
Request.UpdateComment(myUpdateChangeset.Comment);
if (!String.IsNullOrEmpty(myUpdateChangeset.Edition))
Request.UpdateEdition(myUpdateChangeset.Edition);
#endregion
#region element collection
if (myUpdateChangeset.AddedElementsToCollectionProperties != null)
{
foreach (var element in myUpdateChangeset.AddedElementsToCollectionProperties)
{
Request.AddElementsToCollection(element.Key, element.Value);
}
}
if (myUpdateChangeset.RemovedElementsFromCollectionProperties != null)
{
foreach (var element in myUpdateChangeset.RemovedElementsFromCollectionProperties)
{
Request.RemoveElementsFromCollection(element.Key, element.Value);
}
}
if (myUpdateChangeset.AddedElementsToCollectionEdges != null)
{
foreach (var element in myUpdateChangeset.AddedElementsToCollectionEdges)
{
Request.AddElementsToCollection(element.Key, element.Value.ToEdgePredefinition());
}
}
if (myUpdateChangeset.RemovedElementsFromCollectionEdges != null)
{
foreach (var element in myUpdateChangeset.RemovedElementsFromCollectionEdges)
{
Request.RemoveElementsFromCollection(element.Key, element.Value.ToEdgePredefinition());
}
}
#endregion
#region Properties
if (myUpdateChangeset.UpdatedStructuredProperties != null)
{
foreach (var item in myUpdateChangeset.UpdatedStructuredProperties)
{
Request.UpdateStructuredProperty(item.Key, item.Value);
}
}
if (myUpdateChangeset.UpdatedUnstructuredProperties != null)
{
foreach (var item in myUpdateChangeset.UpdatedUnstructuredProperties)
{
Request.UpdateUnstructuredProperty(item.Key, item.Value);
}
}
if (myUpdateChangeset.UpdatedUnknownProperties != null)
{
foreach (var item in myUpdateChangeset.UpdatedUnknownProperties)
{
Request.UpdateUnknownProperty(item.Key, item.Value);
}
}
#endregion
#region Update Edges
if (myUpdateChangeset.UpdatedOutgoingEdges != null)
{
foreach (var Edge in myUpdateChangeset.UpdatedOutgoingEdges)
{
Request.UpdateEdge(Edge.ToEdgePredefinition());
}
}
if (myUpdateChangeset.UpdateOutgoingEdgesProperties != null)
{
foreach (var Edge in myUpdateChangeset.UpdateOutgoingEdgesProperties)
{
Request.UpdateEdge(Edge.ToSingleEdgeUpdateDefinition());
}
}
#endregion
if (myUpdateChangeset.RemovedAttributes != null)
{
foreach (var item in myUpdateChangeset.RemovedAttributes)
{
Request.RemoveAttribute(item);
}
}
return Request;
}
