示例#1
0
        private void ProcessAttributeAssignOrUpdateSetRef(IVertexType vertexType,
                                                          GQLPluginManager myPluginManager,
                                                          IGraphDB myGraphDB,
                                                          SecurityToken mySecurityToken,
                                                          Int64 myTransactionToken,
                                                          AttributeAssignOrUpdateSetRef attributeAssignOrUpdateSetRef,
                                                          ref RequestUpdate result)
        {
            #region SetRefNode

            var edgeDefinition = new EdgePredefinition(attributeAssignOrUpdateSetRef.AttributeIDChain.ContentString);

            if (attributeAssignOrUpdateSetRef.SetRefDefinition.IsREFUUID)
            {
                #region direct vertex ids

                foreach (var aTupleElement in attributeAssignOrUpdateSetRef.SetRefDefinition.TupleDefinition)
                {
                    if (aTupleElement.Value is ValueDefinition)
                    {
                        #region ValueDefinition

                        foreach (var aProperty in aTupleElement.Parameters)
                        {
                            edgeDefinition.AddUnknownProperty(aProperty.Key, aProperty.Value);
                        }

                        edgeDefinition.AddVertexID(
                            attributeAssignOrUpdateSetRef.SetRefDefinition.ReferencedVertexType,
                            Convert.ToInt64(((ValueDefinition)aTupleElement.Value).Value));

                        #endregion
                    }
                    else
                    {
                        throw new NotImplementedQLException("TODO");
                    }
                }

                result.UpdateEdge(edgeDefinition);

                #endregion
            }
            else
            {
                #region expression

                if (!vertexType.HasAttribute(attributeAssignOrUpdateSetRef.AttributeIDChain.ContentString))
                {
                    throw new InvalidVertexAttributeException(String.Format("The vertex type {0} has no attribute named {1}.", vertexType.Name, attributeAssignOrUpdateSetRef.AttributeIDChain.ContentString));
                }
                IAttributeDefinition attribute = vertexType.GetAttributeDefinition(attributeAssignOrUpdateSetRef.AttributeIDChain.ContentString);

                foreach (var aTupleElement in attributeAssignOrUpdateSetRef.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.UpdateEdge(edgeDefinition);

                return;
            }

            #endregion
        }
示例#2
0
        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;
            }
        }
        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);
        }