/// <summary>
/// Creates a new vertex update definition
/// </summary>
/// <param name="myCommentUpdate">The comment update</param>
/// <param name="myUpdatedStructuredProperties">The update for the structured properties</param>
/// <param name="myUpdatedUnstructuredProperties">The update for the unstructured properties</param>
/// <param name="myUpdatedBinaryProperties">The update for the binary properties</param>
/// <param name="mySingleEdgeUpdate">The update for the single edges</param>
/// <param name="myHyperEdgeUpdate">The update for the hyper edges</param>
/// <param name="myToBeAddedIncomingEdges">The incoming edges that should be added to the vertex</param>
public VertexUpdateDefinition(
String myCommentUpdate = null,
StructuredPropertiesUpdate myUpdatedStructuredProperties = null,
UnstructuredPropertiesUpdate myUpdatedUnstructuredProperties = null,
BinaryPropertiesUpdate myUpdatedBinaryProperties = null,
SingleEdgeUpdate mySingleEdgeUpdate = null,
HyperEdgeUpdate myHyperEdgeUpdate = null,
IEnumerable<IncomingEdgeAddDefinition> myToBeAddedIncomingEdges = null)
: base(myCommentUpdate, myUpdatedStructuredProperties, myUpdatedUnstructuredProperties)
{
UpdatedBinaryProperties = myUpdatedBinaryProperties;
UpdatedSingleEdges = mySingleEdgeUpdate;
UpdateHyperEdges = myHyperEdgeUpdate;
ToBeAddedIncomingEdges = myToBeAddedIncomingEdges;
}
public override void Delete(RequestDelete myDeleteRequest, SecurityToken mySecurityToken, Int64 myTransactionToken)
{
var toBeProcessedVertices = GetVertices(myDeleteRequest.ToBeDeletedVertices, myTransactionToken, mySecurityToken);
if (myDeleteRequest.ToBeDeletedAttributes.IsNotNullOrEmpty())
{
List<long> toBeDeletedStructuredPropertiesUpdate = new List<long>();
List<String> tobeDeletedUnstructuredProperties = new List<String>();
List<long> toBeDeletedBinaryProperties = new List<long>();
List<long> toBeDeletedSingleEdges = new List<long>();
List<long> toBeDeletedHyperEdges = new List<long>();
Dictionary<Int64, IPropertyDefinition> toBeDeletedProperties = new Dictionary<long, IPropertyDefinition>();
Dictionary<Int64, IOutgoingEdgeDefinition> toBeDeletedEdges = new Dictionary<long, IOutgoingEdgeDefinition>();
Dictionary<Int64, IBinaryPropertyDefinition> toBeDeletedBinaries = new Dictionary<long, IBinaryPropertyDefinition>();
HashSet<String> toBeDeletedUndefinedAttributes = new HashSet<string>();
//remove the attributes
foreach (var aVertexTypeGroup in toBeProcessedVertices.GroupBy(_ => _.VertexTypeID))
{
var vertexType = _vertexTypeManager.ExecuteManager.GetType(aVertexTypeGroup.Key, myTransactionToken, mySecurityToken);
#region prepare update definition
toBeDeletedStructuredPropertiesUpdate.Clear();
StructuredPropertiesUpdate structuredProperties = new StructuredPropertiesUpdate(null, toBeDeletedStructuredPropertiesUpdate);
tobeDeletedUnstructuredProperties.Clear();
UnstructuredPropertiesUpdate unstructuredProperties = new UnstructuredPropertiesUpdate(null, tobeDeletedUnstructuredProperties);
toBeDeletedBinaryProperties.Clear();
BinaryPropertiesUpdate binaryProperties = new BinaryPropertiesUpdate(null, toBeDeletedBinaryProperties);
toBeDeletedSingleEdges.Clear();
SingleEdgeUpdate singleEdges = new SingleEdgeUpdate(null, toBeDeletedSingleEdges);
toBeDeletedHyperEdges.Clear();
HyperEdgeUpdate hyperEdges = new HyperEdgeUpdate(null, toBeDeletedHyperEdges);
VertexUpdateDefinition update = new VertexUpdateDefinition(null, structuredProperties, unstructuredProperties, binaryProperties, singleEdges, hyperEdges);
#endregion
#region sorting attributes
toBeDeletedProperties.Clear();
toBeDeletedEdges.Clear();
toBeDeletedBinaries.Clear();
toBeDeletedUndefinedAttributes.Clear();
foreach (var aToBeDeleted in myDeleteRequest.ToBeDeletedAttributes)
{
if (!vertexType.HasAttribute(aToBeDeleted))
{
toBeDeletedUndefinedAttributes.Add(aToBeDeleted);
}
var attribute = vertexType.GetAttributeDefinition(aToBeDeleted);
myDeleteRequest.AddDeletedAttribute(attribute.ID);
switch (attribute.Kind)
{
case AttributeType.Property:
toBeDeletedProperties.Add(attribute.ID, (IPropertyDefinition)attribute);
break;
case AttributeType.OutgoingEdge:
toBeDeletedEdges.Add(attribute.ID, (IOutgoingEdgeDefinition)attribute);
break;
case AttributeType.BinaryProperty:
toBeDeletedBinaries.Add(attribute.ID, (IBinaryPropertyDefinition)attribute);
break;
}
}
#endregion
foreach (var aVertex in aVertexTypeGroup.ToList())
{
#region fetch to be deleted attributes
#region properties
foreach (var aToBeDeletedProperty in toBeDeletedProperties)
{
foreach (var aIndexDefinition in aToBeDeletedProperty.Value.InIndices)
{
RemoveFromIndices(aVertex,
_indexManager.GetIndices(vertexType, aIndexDefinition.IndexedProperties, mySecurityToken, myTransactionToken));
}
toBeDeletedStructuredPropertiesUpdate.Add(aToBeDeletedProperty.Key);
}
#endregion
#region edges
foreach (var aToBeDeltedEdge in toBeDeletedEdges)
{
if (aVertex.HasOutgoingEdge(aToBeDeltedEdge.Key))
{
switch (aToBeDeltedEdge.Value.Multiplicity)
{
case EdgeMultiplicity.SingleEdge:
toBeDeletedSingleEdges.Add(aToBeDeltedEdge.Key);
break;
case EdgeMultiplicity.MultiEdge:
case EdgeMultiplicity.HyperEdge:
toBeDeletedHyperEdges.Add(aToBeDeltedEdge.Key);
break;
}
}
}
#endregion
#region binaries
foreach (var aBinaryProperty in toBeDeletedBinaryProperties)
{
//TODO: Add HasBinaryProperty to IVertex
if (aVertex.GetAllBinaryProperties((_, __) => _ == aBinaryProperty).Count() > 0)
{
toBeDeletedBinaryProperties.Add(aBinaryProperty);
}
}
#endregion
#region undefined data
foreach (var aUnstructuredProperty in toBeDeletedUndefinedAttributes)
{
if (aVertex.HasUnstructuredProperty(aUnstructuredProperty))
{
tobeDeletedUnstructuredProperties.Add(aUnstructuredProperty);
}
}
#endregion
#endregion
_vertexStore.UpdateVertex(mySecurityToken, myTransactionToken, aVertex.VertexID, aVertex.VertexTypeID, update, true, aVertex.EditionName, aVertex.VertexRevisionID, false);
}
}
}
else
{
//remove the nodes
foreach (var aVertexTypeGroup in toBeProcessedVertices.GroupBy(_ => _.VertexTypeID))
{
var vertexType = _vertexTypeManager.ExecuteManager.GetType(aVertexTypeGroup.Key, myTransactionToken, mySecurityToken);
foreach (var aVertex in aVertexTypeGroup.ToList())
{
myDeleteRequest.AddDeletedVertex(aVertex.VertexID);
RemoveVertex(aVertex, vertexType, mySecurityToken, myTransactionToken);
}
}
}
}