internal ServiceUpdateChangeset(RequestUpdate myRequestUpdate)
{
this.Comment = myRequestUpdate.UpdatedComment;
this.Edition = myRequestUpdate.UpdatedEdition;
this.AddedElementsToCollectionProperties = new Dictionary<string,List<object>>();
foreach(var item in myRequestUpdate.AddedElementsToCollectionProperties)
this.AddedElementsToCollectionProperties.Add(item.Key, item.Value.Select(x => (object)x).ToList());
this.RemovedElementsFromCollectionProperties = new Dictionary<string,List<object>>();
foreach(var item in myRequestUpdate.RemovedElementsFromCollectionProperties)
this.RemovedElementsFromCollectionProperties.Add(item.Key, item.Value.Select(x => (object)x).ToList());
this.AddedElementsToCollectionEdges = new Dictionary<string,ServiceEdgePredefinition>();
foreach (var item in myRequestUpdate.AddedElementsToCollectionEdges)
this.AddedElementsToCollectionEdges.Add(item.Key, new ServiceEdgePredefinition(item.Value));
this.RemovedElementsFromCollectionEdges = new Dictionary<string,ServiceEdgePredefinition>();
foreach (var item in myRequestUpdate.RemovedElementsFromCollectionEdges)
this.RemovedElementsFromCollectionEdges.Add(item.Key, new ServiceEdgePredefinition(item.Value));
this.UpdatedUnstructuredProperties = myRequestUpdate.UpdatedUnstructuredProperties.ToDictionary(k => k.Key, v => v.Value);
this.UpdatedStructuredProperties = myRequestUpdate.UpdatedStructuredProperties.ToDictionary(k => k.Key, v => (object)v.Value);
this.UpdatedOutgoingEdges = myRequestUpdate.UpdateOutgoingEdges.Select(x => new ServiceEdgePredefinition(x)).ToList();
this.UpdateOutgoingEdgesProperties = myRequestUpdate.UpdateOutgoingEdgesProperties.Select(x => new ServiceSingleEdgeUpdateDefinition(x)).ToList();
this.UpdatedUnknownProperties = myRequestUpdate.UpdatedUnknownProperties.ToDictionary(k => k.Key, v => v.Value);
this.RemovedAttributes = myRequestUpdate.RemovedAttributes;
}
internal ServiceUpdateChangeset(RequestUpdate myRequestUpdate)
{
this.VertexTypeName = myRequestUpdate.GetVerticesRequest.VertexTypeName;
this.VertexTypeID = myRequestUpdate.GetVerticesRequest.VertexTypeID;
this.VertexIDs = myRequestUpdate.GetVerticesRequest.VertexIDs.ToList();
this.Expression = (myRequestUpdate.GetVerticesRequest.Expression == null) ? null : ConvertHelper.ToServiceExpression(myRequestUpdate.GetVerticesRequest.Expression);
this.Comment = myRequestUpdate.UpdatedComment;
this.Edition = myRequestUpdate.UpdatedEdition;
if (myRequestUpdate.AddedElementsToCollectionProperties != null)
{
this.AddedElementsToCollectionProperties = new Dictionary<string, List<object>>();
foreach (var item in myRequestUpdate.AddedElementsToCollectionProperties)
this.AddedElementsToCollectionProperties.Add(item.Key, item.Value.Select(x => (object)x).ToList());
}
if (myRequestUpdate.RemovedElementsFromCollectionProperties != null)
{
this.RemovedElementsFromCollectionProperties = new Dictionary<string, List<object>>();
foreach (var item in myRequestUpdate.RemovedElementsFromCollectionProperties)
this.RemovedElementsFromCollectionProperties.Add(item.Key, item.Value.Select(x => (object)x).ToList());
}
if (myRequestUpdate.AddedElementsToCollectionEdges != null)
{
this.AddedElementsToCollectionEdges = new Dictionary<string, ServiceEdgePredefinition>();
foreach (var item in myRequestUpdate.AddedElementsToCollectionEdges)
this.AddedElementsToCollectionEdges.Add(item.Key, new ServiceEdgePredefinition(item.Value));
}
if (myRequestUpdate.RemovedElementsFromCollectionEdges != null)
{
this.RemovedElementsFromCollectionEdges = new Dictionary<string, ServiceEdgePredefinition>();
foreach (var item in myRequestUpdate.RemovedElementsFromCollectionEdges)
this.RemovedElementsFromCollectionEdges.Add(item.Key, new ServiceEdgePredefinition(item.Value));
}
this.UpdatedUnstructuredProperties = (myRequestUpdate.UpdatedUnstructuredProperties == null)
? null : myRequestUpdate.UpdatedUnstructuredProperties.ToDictionary(k => k.Key, v => v.Value);
this.UpdatedStructuredProperties = (myRequestUpdate.UpdatedStructuredProperties == null)
? null : myRequestUpdate.UpdatedStructuredProperties.ToDictionary(k => k.Key, v => (object)v.Value);
this.UpdatedOutgoingEdges = (myRequestUpdate.UpdateOutgoingEdges == null)
? null : myRequestUpdate.UpdateOutgoingEdges.Select(x => new ServiceEdgePredefinition(x)).ToList();
this.UpdateOutgoingEdgesProperties = (myRequestUpdate.UpdateOutgoingEdgesProperties == null)
? null : myRequestUpdate.UpdateOutgoingEdgesProperties.Select(x => new ServiceSingleEdgeUpdateDefinition(x)).ToList();
this.UpdatedUnknownProperties = (myRequestUpdate.UpdatedUnknownProperties == null)
? null : myRequestUpdate.UpdatedUnknownProperties.ToDictionary(k => k.Key, v => v.Value);
this.RemovedAttributes = myRequestUpdate.RemovedAttributes;
}
private void ProcessUpdate(IVertexType vertexType, GQLPluginManager myPluginManager, IGraphDB myGraphDB, SecurityToken mySecurityToken, TransactionToken myTransactionToken, AAttributeAssignOrUpdateOrRemove aUpdate, ref RequestUpdate result)
{
if (aUpdate is AttributeAssignOrUpdateValue)
{
ProcessAttributeAssignOrUpdateValue((AttributeAssignOrUpdateValue)aUpdate, ref result);
}
else if (aUpdate is AttributeAssignOrUpdateList)
{
ProcessAttributeAssignOrUpdateList(vertexType, myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, (AttributeAssignOrUpdateList)aUpdate, ref result);
}
else if (aUpdate is AttributeAssignOrUpdateSetRef)
{
ProcessAttributeAssignOrUpdateSetRef(vertexType, myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, (AttributeAssignOrUpdateSetRef)aUpdate, ref result);
}
else if (aUpdate is AttributeRemove)
{
foreach (var aToBeRemovedAttribute in ((AttributeRemove)aUpdate).ToBeRemovedAttributes)
{
result.RemoveAttribute(aToBeRemovedAttribute);
}
}
else if (aUpdate is AttributeRemoveList)
{
ProcessAttributeRemoveList(vertexType, myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, (AttributeRemoveList)aUpdate, ref result);
}
else
{
throw new NotImplementedQLException("");
}
}
private void ProcessListOfUpdates(IVertexType vertexType, GQLPluginManager myPluginManager, IGraphDB myGraphDB, SecurityToken mySecurityToken, TransactionToken myTransactionToken, ref RequestUpdate result)
{
foreach (var aUpdate in _listOfUpdates)
{
ProcessUpdate(vertexType, myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, aUpdate, ref result);
}
}
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();
}
}
private void ProcessAttributeAssignOrUpdateValue(AttributeAssignOrUpdateValue attributeAssignOrUpdateValue, ref RequestUpdate result)
{
result.UpdateUnknownProperty(attributeAssignOrUpdateValue.AttributeIDChain.ContentString , attributeAssignOrUpdateValue.Value);
}
private void ProcessAttributeAssignOrUpdateSetRef(IVertexType vertexType, GQLPluginManager myPluginManager, IGraphDB myGraphDB, SecurityToken mySecurityToken, TransactionToken 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
}
private void ProcessAttributeAssignOrUpdateList(IVertexType vertexType, GQLPluginManager myPluginManager, IGraphDB myGraphDB, SecurityToken mySecurityToken, TransactionToken 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>
/// Reads an edge information from the GraphML File and inserts
/// the edge in the GraphDB by altering the existing source vertex.
///
/// Currently only the "weight" attribute will be considered and
/// has to be annotated correctly (see class documentation).
/// </summary>
/// <param name='myReader'>
/// XmlReader
/// </param>
private void ReadEdge(XmlReader myReader)
{
#region read edge data
var sourceID = ReadVertexID(myReader, GraphMLTokens.SOURCE);
var targetID = ReadVertexID(myReader, GraphMLTokens.TARGET);
if(!_VertexIDMapper.ContainsKey(sourceID) || !_VertexIDMapper.ContainsKey(targetID))
{
throw new InvalidDataException(String.Format(
"Source or Target vertexID for edge ({0},{1}) doesn't exist",
sourceID,
targetID));
}
// get the weight
var edgeWeight = ReadEdgeWeight(myReader);
#endregion
#region create edge (update vertex)
var hyperEdge = new EdgePredefinition(_EdgeTypeName);
hyperEdge.AddEdge(new EdgePredefinition()
.AddVertexID(_VertexTypeName, _VertexIDMapper[targetID])
.AddUnknownProperty(
GraphMLTokens.EDGE_WEIGHT,
Convert.ChangeType(edgeWeight, typeof(String), CultureInfo.GetCultureInfo("en-us"))
));
var requestUpdate = new RequestUpdate(new RequestGetVertices(_VertexTypeName, new List<long>() { _VertexIDMapper[sourceID] }));
requestUpdate.AddElementsToCollection(_EdgeTypeName, hyperEdge);
// process the update
_GraphDB.Update<IEnumerable<IVertex>>(
_SecurityToken,
_TransactionToken,
requestUpdate,
(stats, v) => v
);
_EdgeCount++;
#endregion
}
public IEnumerable<IVertex> UpdateVertices(RequestUpdate myUpdate, TransactionToken myTransaction, SecurityToken mySecurity)
{
return null;
}
/// <summary> /// Updates a set of vertices and returns them. /// </summary> /// <param name="myUpdate">The request that represents the update.</param> /// <param name="Int64">A transaction token for this operation.</param> /// <param name="SecurityToken">A security token for this operation.</param> /// <returns>The updated vertivess.</returns> public abstract IEnumerable<IVertex> UpdateVertices(RequestUpdate myUpdate, Int64 myTransaction, SecurityToken mySecurity);
public static RequestUpdate MakeRequestUpdateBinary(Int64 myVertexTypeID, Int64 myVertexID, String myPropertyName, Stream myStream)
{
var idList = new List<Int64>();
idList.Add(myVertexID);
var Request = new RequestUpdate(new RequestGetVertices(myVertexTypeID, idList));
Request.UpdateBinaryProperty(myPropertyName, myStream);
return Request;
}
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;
}
public TResult Update <TResult>(sones.Library.Commons.Security.SecurityToken mySecurityToken, long myTransactionID, sones.GraphDB.Request.RequestUpdate myRequestUpdate, sones.GraphDB.Request.Converter.UpdateResultConverter <TResult> myOutputconverter)
{
Stopwatch RunningTime = Stopwatch.StartNew();
var svcVertices = _GraphDSService.Update(
mySecurityToken,
myTransactionID,
new ServiceUpdateChangeset(myRequestUpdate));
var vertices = svcVertices.Select(x => new RemoteVertex(x, this));
RunningTime.Stop();
return(myOutputconverter(new RequestStatistics(new TimeSpan(RunningTime.ElapsedTicks)), vertices));
}
private Tuple<long?, String, VertexUpdateDefinition> CreateVertexUpdateDefinition(
IVertex myVertex,
IVertexType myVertexType,
RequestUpdate myUpdate,
IPropertyProvider myPropertyCopy,
Int64 myTransaction,
SecurityToken mySecurity)
{
#region get removes
List<long> toBeDeletedSingle = null;
List<long> toBeDeletedHyper = null;
List<long> toBeDeletedStructured = null;
List<String> toBeDeletedUnstructured = null;
List<long> toBeDeletedBinaries = null;
if (myUpdate.RemovedAttributes != null)
{
#region remove each defined attribute
foreach (var name in myUpdate.RemovedAttributes)
{
if (myVertexType.HasAttribute(name))
{
var attr = myVertexType.GetAttributeDefinition(name);
switch (attr.Kind)
{
case AttributeType.Property:
if ((attr as IPropertyDefinition).IsMandatory)
throw new MandatoryConstraintViolationException(attr.Name);
toBeDeletedStructured = toBeDeletedStructured ?? new List<long>();
toBeDeletedStructured.Add(attr.ID);
break;
case AttributeType.BinaryProperty:
toBeDeletedBinaries = toBeDeletedBinaries ?? new List<long>();
toBeDeletedBinaries.Add(attr.ID);
break;
case AttributeType.IncomingEdge:
//TODO: a better exception here.
throw new Exception("The edges on an incoming edge attribute can not be removed.");
case AttributeType.OutgoingEdge:
switch ((attr as IOutgoingEdgeDefinition).Multiplicity)
{
case EdgeMultiplicity.HyperEdge:
case EdgeMultiplicity.MultiEdge:
toBeDeletedHyper = toBeDeletedHyper ?? new List<long>();
toBeDeletedHyper.Add(attr.ID);
break;
case EdgeMultiplicity.SingleEdge:
toBeDeletedSingle = toBeDeletedSingle ?? new List<long>();
toBeDeletedSingle.Add(attr.ID);
break;
default:
//TODO a better exception here
throw new Exception("The enumeration EdgeMultiplicity was changed, but not this switch statement.");
}
break;
default:
//TODO: a better exception here.
throw new Exception("The enumeration AttributeType was updated, but not this switch statement.");
}
}
else
{
toBeDeletedUnstructured = toBeDeletedUnstructured ?? new List<String>();
toBeDeletedUnstructured.Add(name);
}
}
#endregion
}
if (myUpdate.RemovedUnstructuredProperties != null)
{
#region remove each unstructured property
foreach (var name in myUpdate.RemovedUnstructuredProperties)
{
if ((myVertexType.HasAttribute(name)) && (myVertexType.GetAttributeDefinition(name).Kind == AttributeType.Property))
{
toBeDeletedUnstructured = toBeDeletedUnstructured ?? new List<String>();
toBeDeletedUnstructured.Add(name);
}
}
#endregion
}
#endregion
#region get update definitions
IDictionary<Int64, HyperEdgeUpdateDefinition> toBeUpdatedHyper = null;
IDictionary<Int64, SingleEdgeUpdateDefinition> toBeUpdatedSingle = null;
IDictionary<Int64, IComparable> toBeUpdatedStructured = null;
IDictionary<String, Object> toBeUpdatedUnstructured = null;
IDictionary<Int64, StreamAddDefinition> toBeUpdatedBinaries = null;
long? revision = null;
string edition = myUpdate.UpdatedEdition;
string comment = myUpdate.UpdatedComment;
#region property copy things
if (myPropertyCopy.StructuredProperties != null)
{
toBeUpdatedStructured = new Dictionary<long, IComparable>();
foreach (var prop in myPropertyCopy.StructuredProperties)
{
var propDef = myVertexType.GetPropertyDefinition(prop.Key);
CheckPropertyType(myVertexType.Name, prop.Value, propDef);
toBeUpdatedStructured.Add(propDef.ID, prop.Value);
}
}
toBeUpdatedUnstructured = myPropertyCopy.UnstructuredProperties;
#endregion
#region binary properties
if (myUpdate.UpdatedBinaryProperties != null)
{
foreach (var prop in myUpdate.UpdatedBinaryProperties)
{
var propDef = myVertexType.GetBinaryPropertyDefinition(prop.Key);
toBeUpdatedBinaries = toBeUpdatedBinaries ?? new Dictionary<long, StreamAddDefinition>();
toBeUpdatedBinaries.Add(propDef.ID, new StreamAddDefinition(propDef.ID, prop.Value));
}
}
#endregion
#region collections
if (myUpdate.AddedElementsToCollectionProperties != null || myUpdate.RemovedElementsFromCollectionProperties != null)
{
if (myUpdate.AddedElementsToCollectionProperties != null && myUpdate.RemovedElementsFromCollectionProperties != null)
{
var keys = myUpdate.AddedElementsToCollectionProperties.Keys.Intersect(myUpdate.RemovedElementsFromCollectionProperties.Keys);
if (keys.CountIsGreater(0))
{
//TOTO a better exception here
throw new Exception("You can not add and remove items simultaneously on a collection attribute.");
}
if (myUpdate.AddedElementsToCollectionProperties != null)
{
foreach (var added in myUpdate.AddedElementsToCollectionProperties)
{
var propDef = myVertexType.GetPropertyDefinition(added.Key);
var hasValue = (propDef == null)
? myVertex.HasUnstructuredProperty(added.Key)
: myVertex.HasProperty(propDef.ID);
//if it is not ICollectionWrapper something wrong with deserialization
var extractedValue = (!hasValue)
? null
: (propDef == null)
? myVertex.GetUnstructuredProperty<ICollectionWrapper>(added.Key)
: (ICollectionWrapper)propDef.GetValue(myVertex);
PropertyMultiplicity mult;
if (propDef != null)
{
//check types only for structured properties
foreach (var element in added.Value)
{
CheckPropertyType(myVertexType.Name, element, propDef);
}
mult = propDef.Multiplicity;
}
else
mult = (added.Value is SetCollectionWrapper)
? PropertyMultiplicity.Set
: PropertyMultiplicity.List;
var newValue = CreateNewCollectionWrapper(
(hasValue)
? extractedValue.Union(added.Value)
: added.Value,
mult);
if (propDef == null)
{
toBeUpdatedUnstructured = toBeUpdatedUnstructured ?? new Dictionary<String, object>();
toBeUpdatedUnstructured.Add(added.Key, newValue);
}
else
{
toBeUpdatedStructured = toBeUpdatedStructured ?? new Dictionary<long, IComparable>();
toBeUpdatedStructured.Add(propDef.ID, newValue);
}
}
}
if (myUpdate.RemovedElementsFromCollectionProperties != null)
{
foreach (var remove in myUpdate.RemovedElementsFromCollectionProperties)
{
var propDef = myVertexType.GetPropertyDefinition(remove.Key);
var hasValue = (propDef == null)
? myVertex.HasUnstructuredProperty(remove.Key)
: myVertex.HasProperty(propDef.ID);
//no value, nothing to remove
if (!hasValue)
continue;
//if it is not ICollectionWrapper something wrong with deserialization
var extractedValue = (propDef == null)
? myVertex.GetUnstructuredProperty<ICollectionWrapper>(remove.Key)
: (ICollectionWrapper)propDef.GetValue(myVertex);
PropertyMultiplicity mult = (propDef != null)
? propDef.Multiplicity
: (extractedValue is SetCollectionWrapper)
? PropertyMultiplicity.Set
: PropertyMultiplicity.List;
var newValue = CreateNewCollectionWrapper(extractedValue.Except(remove.Value), mult);
toBeUpdatedStructured.Add(propDef.ID, newValue);
if (propDef == null)
{
toBeUpdatedUnstructured = toBeUpdatedUnstructured ?? new Dictionary<String, object>();
toBeUpdatedUnstructured.Add(remove.Key, newValue);
}
else
{
toBeUpdatedStructured = toBeUpdatedStructured ?? new Dictionary<long, IComparable>();
toBeUpdatedStructured.Add(propDef.ID, newValue);
}
}
}
}
}
#endregion
#region extract vertex properties
#region will be ignored
long vertexID = 0L;
long creationDate = 0L;
long modificationDate = 0L;
#endregion
ExtractVertexProperties(ref edition, ref revision, ref comment, ref vertexID, ref creationDate, ref modificationDate, toBeUpdatedStructured);
#endregion
#region edge magic
if (myUpdate.AddedElementsToCollectionEdges != null ||
myUpdate.RemovedElementsFromCollectionEdges != null ||
myUpdate.UpdateOutgoingEdges != null ||
myUpdate.UpdateOutgoingEdgesProperties != null)
{
VertexInformation source = new VertexInformation(myVertex.VertexTypeID, myVertex.VertexID);
#region update outgoing edges
if (myUpdate.UpdateOutgoingEdges != null)
{
foreach (var edge in myUpdate.UpdateOutgoingEdges)
{
var edgeDef = myVertexType.GetOutgoingEdgeDefinition(edge.EdgeName);
switch (edgeDef.Multiplicity)
{
case EdgeMultiplicity.SingleEdge:
{
#region SingleEdge
var targets = GetResultingVertexIDs(myTransaction, mySecurity, edge, edgeDef.TargetVertexType);
if (targets == null || !targets.CountIsGreater(0))
{
toBeDeletedSingle = toBeDeletedSingle ?? new List<long>();
toBeDeletedSingle.Add(edgeDef.ID);
}
else if (targets.CountIsGreater(1))
{
throw new Exception("Single edge can not have more than one target.");
}
else
{
ConvertUnknownProperties(edge, edgeDef.EdgeType);
var structured = CreateStructuredUpdate(edge.StructuredProperties, edgeDef.EdgeType);
var unstructured = CreateUnstructuredUpdate(edge.UnstructuredProperties);
toBeUpdatedSingle = toBeUpdatedSingle ?? new Dictionary<long, SingleEdgeUpdateDefinition>();
toBeUpdatedSingle.Add(edgeDef.ID,
new SingleEdgeUpdateDefinition(source,
targets.First(),
edgeDef.EdgeType.ID,
edge.Comment,
structured,
unstructured));
}
#endregion
}
break;
case EdgeMultiplicity.MultiEdge:
{
#region MultiEdge
// Why deleting the edge instances ???
// they will never be inserted inside the update !!!
// After delete the update will be needless because the edges are deleted !!!
//List<SingleEdgeDeleteDefinition> internSingleDelete = null;
//if (myVertex.HasOutgoingEdge(edgeDef.ID))
//{
// internSingleDelete = new List<SingleEdgeDeleteDefinition>();
// foreach (var edgeInstance in myVertex.GetOutgoingHyperEdge(edgeDef.ID).GetTargetVertices())
// {
// internSingleDelete.Add(
// new SingleEdgeDeleteDefinition(source,
// new VertexInformation(edgeInstance.VertexTypeID,
// edgeInstance.VertexID)));
// }
//}
List<SingleEdgeUpdateDefinition> internSingleUpdate = null;
var targets = GetResultingVertexIDs(myTransaction, mySecurity, edge, edgeDef.TargetVertexType);
if (targets != null)
{
foreach (var target in targets)
{
internSingleUpdate = internSingleUpdate ?? new List<SingleEdgeUpdateDefinition>();
internSingleUpdate.Add(new SingleEdgeUpdateDefinition(source, target, edgeDef.InnerEdgeType.ID));
}
}
if (edge.ContainedEdges != null)
{
foreach (var innerEdge in edge.ContainedEdges)
{
targets = GetResultingVertexIDs(myTransaction, mySecurity, innerEdge, edgeDef.TargetVertexType);
if (targets != null && targets.CountIsGreater(0))
{
ConvertUnknownProperties(innerEdge, edgeDef.InnerEdgeType);
var structured = CreateStructuredUpdate(innerEdge.StructuredProperties, edgeDef.InnerEdgeType);
var unstructured = CreateUnstructuredUpdate(innerEdge.UnstructuredProperties);
foreach (var target in targets)
{
internSingleUpdate = internSingleUpdate ?? new List<SingleEdgeUpdateDefinition>();
internSingleUpdate.Add(
new SingleEdgeUpdateDefinition(source,
target,
edgeDef.InnerEdgeType.ID,
innerEdge.Comment,
structured,
unstructured));
}
}
}
}
ConvertUnknownProperties(edge, edgeDef.EdgeType);
var outerStructured = CreateStructuredUpdate(edge.StructuredProperties, edgeDef.EdgeType);
var outerUnstructured = CreateUnstructuredUpdate(edge.UnstructuredProperties);
toBeUpdatedHyper = toBeUpdatedHyper ?? new Dictionary<long, HyperEdgeUpdateDefinition>();
toBeUpdatedHyper.Add(edgeDef.ID,
new HyperEdgeUpdateDefinition(edgeDef.EdgeType.ID,
edge.Comment,
outerStructured,
outerUnstructured,
null,//internSingleDelete,
internSingleUpdate));
#endregion
}
break;
case EdgeMultiplicity.HyperEdge:
break;
default:
throw new Exception("The enumeration EdgeMultiplicity was changed, but not this switch statement.");
}
}
}
#endregion
#region update outgoing edges properties
if (myUpdate.UpdateOutgoingEdgesProperties != null)
{
foreach (var edge in myUpdate.UpdateOutgoingEdgesProperties)
{
var edgeDef = myVertexType
.GetOutgoingEdgeDefinitions(true)
.Where(_ => _.ID.Equals(edge.EdgeTypeID) ||
_.InnerEdgeType.ID.Equals(edge.EdgeTypeID)).FirstOrDefault();
switch (edgeDef.Multiplicity)
{
case EdgeMultiplicity.SingleEdge:
{
#region SingleEdge
//var targets = GetResultingVertexIDs(myTransaction, mySecurity, edge, edgeDef.TargetVertexType);
//if (targets == null || !targets.CountIsGreater(0))
//{
// toBeDeletedSingle = toBeDeletedSingle ?? new List<long>();
// toBeDeletedSingle.Add(edgeDef.ID);
//}
//else if (targets.CountIsGreater(1))
//{
// throw new Exception("Single edge can not have more than one target.");
//}
//else
//{
// ConvertUnknownProperties(edge, edgeDef.EdgeType);
// var structured = CreateStructuredUpdate(edge.StructuredProperties, edgeDef.EdgeType);
// var unstructured = CreateUnstructuredUpdate(edge.UnstructuredProperties);
// toBeUpdatedSingle = toBeUpdatedSingle ?? new Dictionary<long, SingleEdgeUpdateDefinition>();
// toBeUpdatedSingle.Add(edgeDef.ID,
// new SingleEdgeUpdateDefinition(source,
// targets.First(),
// edgeDef.EdgeType.ID,
// edge.Comment,
// structured,
// unstructured));
//}
#endregion
}
break;
case EdgeMultiplicity.MultiEdge:
{
#region MultiEdge
List<SingleEdgeUpdateDefinition> internSingleUpdate = null;
var targets =
myVertex
.GetOutgoingEdge(edgeDef.ID)
.GetTargetVertices()
.Select(_ => new VertexInformation(_.VertexTypeID,
_.VertexID));
if (targets != null && targets.CountIsGreater(0))
{
var structured = edge.UpdatedStructuredProperties;
var unstructured = edge.UpdatedUnstructuredProperties;
foreach (var target in targets)
{
internSingleUpdate = internSingleUpdate ?? new List<SingleEdgeUpdateDefinition>();
internSingleUpdate.Add(
new SingleEdgeUpdateDefinition(source,
target,
edgeDef.InnerEdgeType.ID,
edge.CommentUpdate,
structured,
unstructured));
}
}
toBeUpdatedHyper = toBeUpdatedHyper ??
new Dictionary<long, HyperEdgeUpdateDefinition>();
if (toBeUpdatedHyper.ContainsKey(edgeDef.ID))
{
var temp = toBeUpdatedHyper[edgeDef.ID];
toBeUpdatedHyper.Remove(edgeDef.ID);
toBeUpdatedHyper.Add(edgeDef.ID,
MergeToBeAddedHyperEdgeUpdates(temp,
internSingleUpdate));
}
else
toBeUpdatedHyper.Add(edgeDef.ID,
new HyperEdgeUpdateDefinition(edgeDef.EdgeType.ID,
null,
null,
null,
null,
internSingleUpdate));
#endregion
}
break;
case EdgeMultiplicity.HyperEdge:
break;
default:
throw new Exception("The enumeration EdgeMultiplicity was changed, but not this switch statement.");
}
}
}
#endregion
#region update AddedElementsToCollectionEdges
if (myUpdate.AddedElementsToCollectionEdges != null)
{
foreach (var hyperEdge in myUpdate.AddedElementsToCollectionEdges)
{
var edgeDef = myVertexType.GetOutgoingEdgeDefinition(hyperEdge.Key);
if (edgeDef == null)
//TODO a better exception here
throw new Exception("edge attribute not defined.");
if (edgeDef.Multiplicity == EdgeMultiplicity.SingleEdge)
//TODO a better exception here
throw new Exception("Add edges is only defined on hyper/multi edges.");
var edgeTypeID = edgeDef.ID;
StructuredPropertiesUpdate structuredUpdate;
UnstructuredPropertiesUpdate unstructuredUpdate;
IEnumerable<SingleEdgeUpdateDefinition> singleUpdate;
CheckIfToBeAddedElementAlreadyExist(myVertex,
edgeDef,
hyperEdge.Value,
myTransaction,
mySecurity);
CreateSingleEdgeUpdateDefinitions(source,
myTransaction,
mySecurity,
hyperEdge.Value,
edgeDef,
out structuredUpdate,
out unstructuredUpdate,
out singleUpdate);
toBeUpdatedHyper = toBeUpdatedHyper ?? new Dictionary<long, HyperEdgeUpdateDefinition>();
toBeUpdatedHyper.Add(edgeTypeID, new HyperEdgeUpdateDefinition(edgeTypeID, null, structuredUpdate, unstructuredUpdate, null, singleUpdate));
}
}
#endregion
#region update RemovedElementsFromCollectionEdges
if (myUpdate.RemovedElementsFromCollectionEdges != null)
{
foreach (var hyperEdge in myUpdate.RemovedElementsFromCollectionEdges)
{
var edgeDef = myVertexType.GetOutgoingEdgeDefinition(hyperEdge.Key);
if (edgeDef == null)
//TODO a better exception here
throw new Exception("Edge attribute not defined.");
if (edgeDef.Multiplicity == EdgeMultiplicity.SingleEdge)
//TODO a better exception here
throw new Exception("Removing edges is only defined on hyper/multi edges.");
var edgeTypeID = edgeDef.ID;
var del = CreateSingleEdgeDeleteDefinitions(source, myTransaction, mySecurity, hyperEdge.Value, edgeDef);
toBeUpdatedHyper = toBeUpdatedHyper ?? new Dictionary<long, HyperEdgeUpdateDefinition>();
toBeUpdatedHyper.Add(edgeTypeID, new HyperEdgeUpdateDefinition(edgeTypeID, null, null, null, del, null));
}
}
#endregion
}
#endregion
#region create updates
var updateSingle = (toBeUpdatedSingle != null || toBeDeletedSingle != null)
? new SingleEdgeUpdate(toBeUpdatedSingle, toBeDeletedSingle)
: null;
var updateHyper = (toBeUpdatedHyper != null || toBeDeletedHyper != null)
? new HyperEdgeUpdate(toBeUpdatedHyper, toBeDeletedHyper)
: null;
var updateStructured = (toBeUpdatedStructured != null || toBeDeletedStructured != null)
? new StructuredPropertiesUpdate(toBeUpdatedStructured, toBeDeletedStructured)
: null;
var updateUnstructured = (toBeUpdatedUnstructured != null || toBeDeletedUnstructured != null)
? new UnstructuredPropertiesUpdate(toBeUpdatedUnstructured, toBeDeletedUnstructured)
: null;
var updateBinaries = (toBeUpdatedBinaries != null || toBeDeletedBinaries != null)
? new BinaryPropertiesUpdate(toBeUpdatedBinaries, toBeDeletedBinaries)
: null;
#endregion
return Tuple.Create(revision,
edition,
new VertexUpdateDefinition(comment,
updateStructured,
updateUnstructured,
updateBinaries,
updateSingle,
updateHyper));
}
public override IEnumerable<IVertex> UpdateVertices(RequestUpdate myUpdate,
Int64 myTransaction,
SecurityToken mySecurity)
{
var toBeUpdated = GetVertices(myUpdate.GetVerticesRequest, myTransaction, mySecurity);
var groupedByTypeID = toBeUpdated.GroupBy(_ => _.VertexTypeID);
if (groupedByTypeID.CountIsGreater(0))
{
Dictionary<IVertex, Tuple<long?, String, VertexUpdateDefinition>> updates =
new Dictionary<IVertex, Tuple<long?, String, VertexUpdateDefinition>>();
foreach (var group in groupedByTypeID)
{
var vertexType = _vertexTypeManager
.ExecuteManager
.GetType(group.Key, myTransaction, mySecurity);
//we copy each property in property provider,
//because an unknown property can be a structured at one type but unstructured at the other.
//this must be refactored:
//idea cancel IPropertyProvider. Change ConvertUnknownProperties to fill the dictionaries directly.
PropertyCopy copy = new PropertyCopy(myUpdate);
ConvertUnknownProperties(copy, vertexType);
if (copy.StructuredProperties != null)
{
var toBeUpdatedStructuredNames = copy.StructuredProperties.Select(_ => _.Key).ToArray();
foreach (var uniqueIndex in vertexType.GetUniqueDefinitions(false))
{
//if the unique index is defined on a property that will be updated
if (uniqueIndex.UniquePropertyDefinitions.Any(_ => toBeUpdatedStructuredNames.Contains(_.Name)))
{
//the list of property names, that can make an update of multiple vertices on unique properties unique again.
var uniquemaker = uniqueIndex.UniquePropertyDefinitions.Select(_ => _.Name).Except(toBeUpdatedStructuredNames);
if (!uniquemaker.CountIsGreater(0) && group.CountIsGreater(0))
throw new IndexUniqueConstrainViolationException(vertexType.Name, String.Join(", ", uniquemaker));
}
}
var toBeUpdatedUniques = vertexType
.GetUniqueDefinitions(true)
.Where(_ => _.UniquePropertyDefinitions.Any(__ => toBeUpdatedStructuredNames.Contains(__.Name)));
}
foreach (var vertex in group)
{
//var toBeUpdatedIndices = (copy.StructuredProperties != null)
// ? copy.StructuredProperties.ToDictionary(_ => _.Key, _ => vertexType.GetPropertyDefinition(_.Key).InIndices)
// : null;
var update = CreateVertexUpdateDefinition(vertex, vertexType, myUpdate, copy, myTransaction, mySecurity);
updates.Add(vertex, update);
}
}
//force execution
return ExecuteUpdates(groupedByTypeID, updates, myTransaction, mySecurity);
}
return Enumerable.Empty<IVertex>();
}
private RequestUpdate GenerateUpdateRequest(IGraphDB myGraphDB, GQLPluginManager myPluginManager, SecurityToken mySecurityToken, TransactionToken myTransactionToken)
{
IEnumerable<IVertex> toBeupdatedVertices = null;
//prepare
var vertexType = myGraphDB.GetVertexType<IVertexType>(
mySecurityToken,
myTransactionToken,
new RequestGetVertexType(_TypeName),
(stats, vtype) => vtype);
if (_vertexIDs == null)
{
if (_WhereExpression != null)
{
//validate
_WhereExpression.Validate(myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, vertexType);
//calculate
var expressionGraph = _WhereExpression.Calculon(myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, new CommonUsageGraph(myGraphDB, mySecurityToken, myTransactionToken), false);
//extract
toBeupdatedVertices = expressionGraph.Select(new LevelKey(vertexType.ID, myGraphDB, mySecurityToken, myTransactionToken), null, true);
}
else
{
toBeupdatedVertices = myGraphDB.GetVertices<IEnumerable<IVertex>>(
mySecurityToken,
myTransactionToken,
new RequestGetVertices(vertexType.ID),
(stats, vertices) => vertices);
}
}
else
{
toBeupdatedVertices = _vertexIDs;
}
var result = new RequestUpdate(new RequestGetVertices(vertexType.ID, toBeupdatedVertices.Select(_ => _.VertexID) , false));
ProcessListOfUpdates(vertexType, myPluginManager, myGraphDB, mySecurityToken, myTransactionToken, ref result);
return result;
}
