public void DirectInit(ParsingContext context, ParseTreeNode parseNode)
{
var idChain = ((IDNode)parseNode.ChildNodes[2].AstNode).IDChainDefinition;
var tupleDefinition = ((TupleNode)parseNode.ChildNodes[3].AstNode).TupleDefinition;
var AttrName = parseNode.ChildNodes[2].FirstChild.FirstChild.Token.ValueString;
ToBeRemovedList = new AttributeRemoveList(idChain, AttrName, tupleDefinition);
}
public void DirectInit(ParsingContext context, ParseTreeNode parseNode)
{
var idChain = ((IDNode)parseNode.ChildNodes[0].AstNode).IDChainDefinition;
var AttrName = parseNode.ChildNodes[0].FirstChild.Token.ValueString;
var definition = ((RemoveFromListAttrUpdateScopeNode)parseNode.ChildNodes[1].AstNode).TupleDefinition;
AttributeRemoveList = new AttributeRemoveList(idChain, AttrName, definition);
}
private void ProcessAttributeRemoveList(IVertexType vertexType,
GQLPluginManager myPluginManager,
IGraphDB myGraphDB,
SecurityToken mySecurityToken,
Int64 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();
}
}