internal ServiceAlterVertexChangeset(RequestAlterVertexType myRequestAlterVertexType)
{
this.NewTypeName = myRequestAlterVertexType.AlteredTypeName;
this.Comment = myRequestAlterVertexType.AlteredComment;
this.ToBeAddedProperties = (myRequestAlterVertexType.ToBeAddedProperties == null)
? null : myRequestAlterVertexType.ToBeAddedProperties.Select(x => new ServicePropertyPredefinition(x)).ToArray();
this.ToBeAddedIncomingEdges = (myRequestAlterVertexType.ToBeAddedIncomingEdges == null)
? null : myRequestAlterVertexType.ToBeAddedIncomingEdges.Select(x => new ServiceIncomingEdgePredefinition(x)).ToArray();
this.ToBeAddedOutgoingEdges = (myRequestAlterVertexType.ToBeAddedOutgoingEdges == null)
? null : myRequestAlterVertexType.ToBeAddedOutgoingEdges.Select(x => new ServiceOutgoingEdgePredefinition(x)).ToArray();
this.ToBeAddedIndices = (myRequestAlterVertexType.ToBeAddedIndices == null)
? null : myRequestAlterVertexType.ToBeAddedIndices.Select(x => new ServiceIndexPredefinition(x)).ToArray();
this.ToBeAddedUniques = (myRequestAlterVertexType.ToBeAddedUniques == null)
? null : myRequestAlterVertexType.ToBeAddedUniques.Select(x => new ServiceUniquePredefinition(x)).ToArray();
this.ToBeAddedMandatories = (myRequestAlterVertexType.ToBeAddedMandatories == null)
? null : myRequestAlterVertexType.ToBeAddedMandatories.Select(x => new ServiceMandatoryPredefinition(x)).ToArray();
this.ToBeRemovedProperties = (myRequestAlterVertexType.ToBeRemovedProperties == null)
? null : myRequestAlterVertexType.ToBeRemovedProperties.ToArray();
this.ToBeRemovedIncomingEdges = (myRequestAlterVertexType.ToBeRemovedIncomingEdges == null)
? null : myRequestAlterVertexType.ToBeRemovedIncomingEdges.ToArray();
this.ToBeRemovedOutgoingEdges = (myRequestAlterVertexType.ToBeRemovedOutgoingEdges == null)
? null : myRequestAlterVertexType.ToBeRemovedOutgoingEdges.ToArray();
this.ToBeRemovedIndices = myRequestAlterVertexType.ToBeRemovedIndices;
this.ToBeRemovedUniques = (myRequestAlterVertexType.ToBeRemovedUniques == null)
? null : myRequestAlterVertexType.ToBeRemovedUniques.ToArray();
this.ToBeRemovedMandatories = (myRequestAlterVertexType.ToBeRemovedMandatories == null)
? null : myRequestAlterVertexType.ToBeRemovedMandatories.ToArray();
this.ToBeRenamedProperties = myRequestAlterVertexType.ToBeRenamedProperties;
this.ToBeDefinedAttributes = (myRequestAlterVertexType.ToBeDefinedAttributes == null)
? null : myRequestAlterVertexType.ToBeDefinedAttributes.Select(x => new ServiceUnknownAttributePredefinition(x)).ToArray();
this.ToBeUndefinedAttributes = (myRequestAlterVertexType.ToBeUndefinedAttributes == null)
? null : myRequestAlterVertexType.ToBeUndefinedAttributes.ToArray();
}
private void ProcessUnique(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_SetUnique)myAlterCommand;
foreach (var aUnique in command.UniqueAttributes)
{
result.AddUnique(new UniquePredefinition(aUnique));
}
}
private static void CheckToBeAddedMandatory(RequestAlterVertexType myAlterVertexTypeRequest, IVertexType vertexType)
{
var mandatories = myAlterVertexTypeRequest.ToBeAddedMandatories;
var addProperties = myAlterVertexTypeRequest.ToBeAddedProperties;
if (mandatories == null)
return;
var attributes = vertexType.GetAttributeDefinitions(false).ToList();
foreach (var aMandatory in mandatories)
{
if (!attributes.Any(_ => _.Name == aMandatory.MandatoryAttribute) && !addProperties.Any(x => x.AttributeName == aMandatory.MandatoryAttribute))
{
throw new AttributeDoesNotExistException(aMandatory.MandatoryAttribute, vertexType.Name);
}
}
}
private void CheckRemoveOutgoingEdges(RequestAlterVertexType myAlterVertexTypeRequest, IVertexType myVertexType, SecurityToken mySecurityToken, TransactionToken myTransactionToken)
{
if (myAlterVertexTypeRequest.ToBeRemovedOutgoingEdges == null)
return;
#region get the list of incoming edges that will be deleted too
var toBeRemovedIncomingEdgeIDs = new List<long>();
if (myAlterVertexTypeRequest.ToBeRemovedIncomingEdges != null)
toBeRemovedIncomingEdgeIDs.AddRange(
myAlterVertexTypeRequest.ToBeRemovedIncomingEdges.Select(
_ => myVertexType.GetIncomingEdgeDefinition(_).ID));
#endregion
foreach (var aOutgoingEdge in myAlterVertexTypeRequest.ToBeRemovedOutgoingEdges)
{
var attrDef = myVertexType.GetOutgoingEdgeDefinition(aOutgoingEdge);
var vertex = _vertexManager.ExecuteManager.GetVertex((long) BaseTypes.OutgoingEdge, attrDef.ID, null,
null, myTransactionToken, mySecurityToken);
var incomingEdges = vertex.GetIncomingVertices((long) BaseTypes.IncomingEdge,
(long)
AttributeDefinitions.IncomingEdgeDotRelatedEgde);
foreach (var incomingEdge in incomingEdges)
{
if (!toBeRemovedIncomingEdgeIDs.Contains(incomingEdge.VertexID))
{
//TODO a better exception here
throw new Exception(
"The outgoing edge can not be removed, because there are related incoming edges.");
}
}
}
}
/// <summary>
/// Adds a unique constraint
/// </summary>
/// <param name="myToBeAddedUniques"></param>
/// <param name="myTransactionToken"></param>
/// <param name="mySecurityToken"></param>
private IEnumerable<IIndexDefinition> AddUniqueConstraint(RequestAlterVertexType myAlterVertexTypeRequest, TransactionToken myTransactionToken, SecurityToken mySecurityToken)
{
var indexDefs = new List<IIndexDefinition>();
var uniques = myAlterVertexTypeRequest.ToBeAddedUniques;
if (!uniques.IsNotNullOrEmpty())
return indexDefs;
foreach (var aUniqueConstraint in uniques)
{
var predef = new IndexPredefinition();
predef.AddProperty(aUniqueConstraint.Properties);
predef.SetVertexType(myAlterVertexTypeRequest.VertexTypeName);
indexDefs.Add(_indexManager.CreateIndex(predef, mySecurityToken, myTransactionToken));
}
return indexDefs;
}
public TResult AlterVertexType <TResult>(sones.Library.Commons.Security.SecurityToken mySecurityToken, long myTransactionID, sones.GraphDB.Request.RequestAlterVertexType myRequestAlterVertexType, sones.GraphDB.Request.Converter.AlterVertexTypeResultConverter <TResult> myOutputconverter)
{
Stopwatch RunningTime = Stopwatch.StartNew();
var svcVertexType = _GraphDSService.AlterVertexType(mySecurityToken, myTransactionID,
new ServiceVertexType(myRequestAlterVertexType.TypeName),
new ServiceAlterVertexChangeset(myRequestAlterVertexType));
var vertexType = new RemoteVertexType(svcVertexType, this);
RunningTime.Stop();
return(myOutputconverter(new RequestStatistics(new TimeSpan(RunningTime.ElapsedTicks)), vertexType));
}
/// <summary>
/// Reads an attribute definition from the GraphML File and stores
/// it internal for later usage on vertex / edge reading.
/// </summary>
/// <param name='myReader'>
/// XmlReader
/// </param>
private void ReadAttributeDefinition(XmlReader myReader)
{
#region data
var attrId = myReader.GetAttribute(GraphMLTokens.ID);
var attrFor = myReader.GetAttribute(GraphMLTokens.FOR);
var attrName = myReader.GetAttribute(GraphMLTokens.ATTRIBUTE_NAME);
var attrType = myReader.GetAttribute(GraphMLTokens.ATTRIBUTE_TYPE).ToLower();
string attrDefault = null;
using (var readerAttribute = myReader.ReadSubtree())
{
while (readerAttribute.Read())
{
if (readerAttribute.Name == GraphMLTokens.DEFAULT)
{
attrDefault = readerAttribute.ReadElementContentAsString();
}
}
}
// make attribute type DB conform (capitalize first letter)
attrType = char.ToUpper(attrType[0]) + attrType.Substring(1).ToLower();
// and store the whole definition
_AttributeDefinitions.Add(attrId, new Tuple<string, string, string, string>(attrFor, attrName, attrType, attrDefault));
// get GraphDB internal type
attrType = GetInternalTypeName(attrType);
#endregion
#region alter vertex type with new attribute
if(attrFor.Equals(GraphMLTokens.VERTEX))
{
var requestAlterVertexType = new RequestAlterVertexType(_VertexTypeName);
var propertyPreDefinition = new PropertyPredefinition(attrName, attrType);
propertyPreDefinition.SetDefaultValue(attrDefault);
requestAlterVertexType.AddProperty(propertyPreDefinition);
_GraphDB.AlterVertexType(_SecurityToken,
_TransactionToken,
requestAlterVertexType,
(stats, vType) => vType);
}
#endregion
}
private void ProcessAddAttribute(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterVertexType_AddAttributes)myAlterCommand;
if (command.ListOfAttributes != null && command.ListOfAttributes.Count > 0)
{
foreach (var aAttribute in command.ListOfAttributes)
{
result.AddUnknownAttribute(GenerateUnknownAttribute(aAttribute));
}
}
else
{
if (command.BackwardEdgeInformation != null && command.BackwardEdgeInformation.Count > 0)
{
foreach (var aIncomingEdge in command.BackwardEdgeInformation)
{
result.AddIncomingEdge(GenerateAIncomingEdge(aIncomingEdge));
}
}
}
}
private void ProcessAlterCommand(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
switch (myAlterCommand.AlterType)
{
case TypesOfAlterCmd.DropIndex:
ProcessDropIndex(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.AddIndex:
ProcessAddIndex(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.AddAttribute:
ProcessAddAttribute(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.DropAttribute:
ProcessDropAttribute(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.RenameAttribute:
ProcessRenameAttribute(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.RenameType:
ProcessRenameVertexType(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.RenameIncomingEdge:
ProcessRenameIncomingEdge(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.Unqiue:
ProcessUnique(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.DropUnqiue:
ProcessDropUnique(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.Mandatory:
ProcessMandatory(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.DropMandatory:
ProcessDropMandatory(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.ChangeComment:
ProcessChangeComment(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.DefineAttribute:
ProcessDefineAttribute(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.UndefineAttribute:
ProcessUndefineAttribute(myAlterCommand, ref result);
break;
default:
break;
}
}
private RequestAlterVertexType CreateNewRequest(IGraphDB myGraphDB, GQLPluginManager myPluginManager, SecurityToken mySecurityToken, Int64 myTransactionToken)
{
RequestAlterVertexType result = new RequestAlterVertexType(_TypeName);
foreach (var aAlterCommand in _AlterTypeCommand)
{
ProcessAlterCommand(aAlterCommand, ref result);
}
return result;
}
/// <summary>
/// Checks the to be renamed attributes
/// </summary>
/// <param name="myAlterVertexTypeRequest"></param>
/// <param name="vertexType"></param>
private static void CheckToBeRenamedAttributes(RequestAlterVertexType myAlterVertexTypeRequest, IVertexType vertexType)
{
if (myAlterVertexTypeRequest.ToBeRenamedProperties == null)
return;
foreach (var aToBeRenamedAttributes in myAlterVertexTypeRequest.ToBeRenamedProperties)
{
if (!CheckOldName(aToBeRenamedAttributes.Key, vertexType))
{
throw new InvalidAlterVertexTypeException(
String.Format(
"It is not possible to rename {0} into {1}. The to be renamed attribute does not exist.", aToBeRenamedAttributes.Key, aToBeRenamedAttributes.Value));
}
if (!CheckNewName(aToBeRenamedAttributes.Value, vertexType))
{
throw new InvalidAlterVertexTypeException(
String.Format(
"It is not possible to rename {0} into {1}. The new attribute name already exists.", aToBeRenamedAttributes.Key, aToBeRenamedAttributes.Value));
}
}
}
/// <summary>
/// Checks if the to be removed attributes exists on this type
/// </summary>
/// <param name="myAlterVertexTypeRequest"></param>
/// <param name="vertexType"></param>
private static void CheckToBeRemovedAttributes(RequestAlterVertexType myAlterVertexTypeRequest, IVertexType vertexType)
{
#region properties
var attributesOfCurrentVertexType = vertexType.GetAttributeDefinitions(false).ToList();
if (myAlterVertexTypeRequest.ToBeRemovedProperties != null)
{
foreach (var aToBeDeletedAttribute in myAlterVertexTypeRequest.ToBeRemovedProperties)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new VertexAttributeIsNotDefinedException(aToBeDeletedAttribute);
}
}
}
#endregion
#region outgoing Edges
if (myAlterVertexTypeRequest.ToBeRemovedOutgoingEdges != null)
{
foreach (var aToBeDeletedAttribute in myAlterVertexTypeRequest.ToBeRemovedOutgoingEdges)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new VertexAttributeIsNotDefinedException(aToBeDeletedAttribute);
}
}
}
#endregion
#region incoming edges
if (myAlterVertexTypeRequest.ToBeRemovedIncomingEdges != null)
{
foreach (var aToBeDeletedAttribute in myAlterVertexTypeRequest.ToBeRemovedIncomingEdges)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new VertexAttributeIsNotDefinedException(aToBeDeletedAttribute);
}
}
}
#endregion
}
public override IVertexType AlterVertexType(RequestAlterVertexType myAlterVertexTypeRequest, SecurityToken mySecurityToken, TransactionToken myTransactionToken)
{
var vertexType = _vertexTypeManager.GetVertexType(myAlterVertexTypeRequest.VertexTypeName, myTransactionToken, mySecurityToken);
if (myAlterVertexTypeRequest.ToBeAddedUnknownAttributes != null)
{
var toBeConverted = myAlterVertexTypeRequest.ToBeAddedUnknownAttributes.ToArray();
foreach (var unknown in toBeConverted)
{
if (BinaryPropertyPredefinition.TypeName.Equals(unknown.AttributeType))
{
var prop = ConvertUnknownToBinaryProperty(unknown);
myAlterVertexTypeRequest.AddBinaryProperty(prop);
}
else if (IsBaseType(unknown.AttributeType))
{
var prop = ConvertUnknownToProperty(unknown);
myAlterVertexTypeRequest.AddProperty(prop);
}
else if (unknown.AttributeType.Contains(IncomingEdgePredefinition.TypeSeparator))
{
var prop = ConvertUnknownToIncomingEdge(unknown);
myAlterVertexTypeRequest.AddIncomingEdge(prop);
}
else
{
var prop = ConvertUnknownToOutgoingEdge(unknown);
myAlterVertexTypeRequest.AddOutgoingEdge(prop);
}
}
myAlterVertexTypeRequest.ResetUnknown();
}
if (myAlterVertexTypeRequest.ToBeRemovedUnknownAttributes != null)
{
foreach (var unknownProp in myAlterVertexTypeRequest.ToBeRemovedUnknownAttributes)
{
var attrDef = vertexType.GetAttributeDefinition(unknownProp);
if (attrDef == null)
throw new VertexAttributeIsNotDefinedException(unknownProp);
switch (attrDef.Kind)
{
case AttributeType.Property:
myAlterVertexTypeRequest.RemoveProperty(unknownProp);
break;
case AttributeType.OutgoingEdge:
myAlterVertexTypeRequest.RemoveOutgoingEdge(unknownProp);
break;
case AttributeType.IncomingEdge:
myAlterVertexTypeRequest.RemoveIncomingEdge(unknownProp);
break;
case AttributeType.BinaryProperty:
myAlterVertexTypeRequest.RemoveBinaryProperty(unknownProp);
break;
default:
throw new Exception("The enumeration AttributeType was changed, but not this switch statement.");
}
}
myAlterVertexTypeRequest.ClearToBeRemovedUnknownAttributes();
}
#region checks
CheckToBeAddedAttributes(myAlterVertexTypeRequest, vertexType);
CheckToBeRemovedAttributes(myAlterVertexTypeRequest, vertexType);
CheckToBeRenamedAttributes(myAlterVertexTypeRequest, vertexType);
CheckNewVertexTypeName(myAlterVertexTypeRequest.AlteredVertexTypeName, mySecurityToken, myTransactionToken);
CheckToBeAddedMandatory(myAlterVertexTypeRequest, vertexType);
CheckToBeAddedUniques(myAlterVertexTypeRequest, vertexType);
CheckToBeRemovedMandatoryAndUnique(myAlterVertexTypeRequest.ToBeRemovedMandatories, myAlterVertexTypeRequest.ToBeRemovedUniques, vertexType);
CheckToBeAddedIndices(myAlterVertexTypeRequest.ToBeAddedIndices, vertexType);
CheckToBeRemovedIndices(myAlterVertexTypeRequest.ToBeRemovedIndices, vertexType);
#endregion
return null;
}
private static void CheckToBeAddedUniques(RequestAlterVertexType myAlterVertexTypeRequest, IVertexType vertexType)
{
var uniques = myAlterVertexTypeRequest.ToBeAddedUniques;
var addProperties = myAlterVertexTypeRequest.ToBeAddedProperties;
if (uniques == null)
return;
var attributes = vertexType.GetAttributeDefinitions(false).ToList();
foreach (var aUnique in uniques)
{
foreach (var aAttribute in aUnique.Properties)
{
if (!attributes.Any(_ => _.Name == aAttribute) && !addProperties.Any(x => x.AttributeName == aAttribute))
{
throw new AttributeDoesNotExistException(aAttribute, vertexType.Name);
}
}
}
}
private void ProcessRenameAttribute(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_RenameAttribute)myAlterCommand;
result.RenameAttribute(command.OldName, command.NewName);
}
private void ProcessDropAttribute(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_DropAttributes)myAlterCommand;
foreach (var aAttribute in command.ListOfAttributes)
{
result.RemoveUnknownAttribute(aAttribute);
}
}
private void ProcessDropIndex(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_DropIndices)myAlterCommand;
foreach (var aIndex in command.IdxDropList)
{
result.RemoveIndex(aIndex.Key, aIndex.Value);
}
}
private void ProcessUndefineAttribute(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_UndefineAttributes)myAlterCommand;
if (command.ListOfAttributes != null && command.ListOfAttributes.Count > 0)
{
foreach (var aAttribute in command.ListOfAttributes)
{
result.UndefineAttribute(aAttribute);
}
}
}
private void ProcessAddIndex(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_AddIndices)myAlterCommand;
foreach (var aIndexDefinition in command.IdxDefinitionList)
{
result.AddIndex(GenerateIndex(aIndexDefinition));
}
}
public abstract IVertexType AlterVertexType(RequestAlterVertexType myAlterVertexTypeRequest, SecurityToken mySecurityToken, TransactionToken myTransactionToken);
private void ProcessChangeComment(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_ChangeComment)myAlterCommand;
result.SetComment(command.NewComment);
}
public static RequestAlterVertexType MakeRequestAlterVertexType(ServiceVertexType myVertexType, ServiceAlterVertexChangeset myChangeset)
{
var Request = new RequestAlterVertexType(myVertexType.Name);
#region Add Attributes
if (myChangeset.ToBeAddedProperties != null)
{
foreach (var toAdd in myChangeset.ToBeAddedProperties)
{
Request.AddProperty(toAdd.ToPropertyPredefinition());
}
}
if (myChangeset.ToBeAddedIncomingEdges != null)
{
foreach (var toAdd in myChangeset.ToBeAddedIncomingEdges)
{
Request.AddIncomingEdge(toAdd.ToIncomingEdgePredefinition());
}
}
if (myChangeset.ToBeAddedOutgoingEdges != null)
{
foreach (var toAdd in myChangeset.ToBeAddedOutgoingEdges)
{
Request.AddOutgoingEdge(toAdd.ToOutgoingEdgePredefinition());
}
}
if (myChangeset.ToBeAddedUniques != null)
{
foreach (var toAdd in myChangeset.ToBeAddedUniques)
{
Request.AddUnique(toAdd.ToUniquePredefinition());
}
}
if (myChangeset.ToBeAddedMandatories != null)
{
foreach (var toAdd in myChangeset.ToBeAddedMandatories)
{
Request.AddMandatory(toAdd.ToMandatoryPredefinition());
}
}
if (myChangeset.ToBeAddedIndices != null)
{
foreach (var toAdd in myChangeset.ToBeAddedIndices)
{
Request.AddIndex(toAdd.ToIndexPredefinition());
}
}
#endregion
#region Remove Attributes
if (myChangeset.ToBeRemovedProperties != null)
{
foreach (var toDel in myChangeset.ToBeRemovedProperties)
{
Request.RemoveProperty(toDel);
}
}
if (myChangeset.ToBeRemovedIncomingEdges != null)
{
foreach (var toDel in myChangeset.ToBeRemovedIncomingEdges)
{
Request.RemoveIncomingEdge(toDel);
}
}
if (myChangeset.ToBeRemovedOutgoingEdges != null)
{
foreach (var toDel in myChangeset.ToBeRemovedOutgoingEdges)
{
Request.RemoveOutgoingEdge(toDel);
}
}
if (myChangeset.ToBeRemovedUniques != null)
{
foreach (var toDel in myChangeset.ToBeRemovedUniques)
{
Request.RemoveUnique(toDel);
}
}
if (myChangeset.ToBeRemovedMandatories != null)
{
foreach (var toDel in myChangeset.ToBeRemovedMandatories)
{
Request.RemoveMandatory(toDel);
}
}
if (myChangeset.ToBeRemovedIndices != null)
{
foreach (var toDel in myChangeset.ToBeRemovedIndices)
{
Request.RemoveIndex(toDel.Key, toDel.Value);
}
}
#endregion
#region define / undefine
if (myChangeset.ToBeDefinedAttributes != null)
{
foreach (var toDefine in myChangeset.ToBeDefinedAttributes)
{
Request.DefineAttribute(toDefine.ToUnknownAttributePredefinition());
}
}
if (myChangeset.ToBeUndefinedAttributes != null)
{
foreach (var toUndefine in myChangeset.ToBeUndefinedAttributes)
{
Request.UndefineAttribute(toUndefine);
}
}
#endregion
#region Rename Task
if (myChangeset.ToBeRenamedProperties != null)
{
foreach (var toRename in myChangeset.ToBeRenamedProperties)
{
Request.RenameAttribute(toRename.Key, toRename.Value);
}
}
#endregion
if (myChangeset.Comment != null)
Request.SetComment(myChangeset.Comment);
if (myChangeset.NewTypeName != null)
Request.RenameType(myChangeset.NewTypeName);
//todo add unknown attribute
return Request;
}
private void ProcessDropMandatory(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_DropMandatory)myAlterCommand;
result.RemoveMandatory(command.DroppedMandatory);
}
public override IVertexType AlterVertexType(RequestAlterVertexType myAlterVertexTypeRequest, SecurityToken mySecurityToken, TransactionToken myTransactionToken)
{
var vertexType = GetVertexType(myAlterVertexTypeRequest.VertexTypeName, myTransactionToken, mySecurityToken);
#region remove stuff
CheckRemoveOutgoingEdges(myAlterVertexTypeRequest, vertexType, mySecurityToken, myTransactionToken);
//done
RemoveMandatoryConstraint(myAlterVertexTypeRequest.ToBeRemovedMandatories, vertexType, myTransactionToken,
mySecurityToken);
//done
RemoveUniqueConstraint(myAlterVertexTypeRequest.ToBeRemovedUniques, vertexType, myTransactionToken,
mySecurityToken);
//done
RemoveIndices(myAlterVertexTypeRequest.ToBeRemovedIndices, vertexType, myTransactionToken, mySecurityToken);
//done
RemoveAttributes(myAlterVertexTypeRequest.ToBeRemovedIncomingEdges,
myAlterVertexTypeRequest.ToBeRemovedOutgoingEdges,
myAlterVertexTypeRequest.ToBeRemovedProperties, vertexType, myTransactionToken,
mySecurityToken);
#endregion
#region add stuff
//done
AddAttributes(myAlterVertexTypeRequest.ToBeAddedBinaryProperties,
myAlterVertexTypeRequest.ToBeAddedIncomingEdges,
myAlterVertexTypeRequest.ToBeAddedOutgoingEdges,
myAlterVertexTypeRequest.ToBeAddedProperties,
vertexType, myTransactionToken, mySecurityToken);
//get altered type
vertexType = GetVertexType(myAlterVertexTypeRequest.VertexTypeName, myTransactionToken, mySecurityToken);
//done
AddMandatoryConstraint(myAlterVertexTypeRequest.ToBeAddedMandatories, vertexType, myTransactionToken,
mySecurityToken);
//done
var indexDefinitions = AddUniqueConstraint(myAlterVertexTypeRequest, myTransactionToken, mySecurityToken);
//done
AddIndices(myAlterVertexTypeRequest.ToBeAddedIndices, vertexType, myTransactionToken, mySecurityToken);
//done
RenameAttributes(myAlterVertexTypeRequest.ToBeRenamedProperties, vertexType, myTransactionToken, mySecurityToken);
#endregion
var info = new TypeInfo();
info.VertexInfo = new VertexInformation((long)BaseTypes.VertexType, vertexType.ID);
ConnectVertexToUniqueIndex(info, indexDefinitions, mySecurityToken, myTransactionToken);
#region misc
//done
ChangeCommentOnVertexType(vertexType, myAlterVertexTypeRequest.AlteredComment, myTransactionToken,mySecurityToken);
//done
RenameVertexType(vertexType, myAlterVertexTypeRequest.AlteredVertexTypeName, myTransactionToken, mySecurityToken);
#endregion
CleanUpTypes();
_indexManager.RebuildIndices((long)BaseTypes.VertexType, myTransactionToken, mySecurityToken);
return GetVertexType(vertexType.ID, myTransactionToken, mySecurityToken);
}
private void ProcessMandatory(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_SetMandatory)myAlterCommand;
foreach (var aMandatory in command.MandatoryAttributes)
{
result.AddMandatory(new MandatoryPredefinition(aMandatory));
}
}
private void ProcessDropUnique(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_DropUnique)myAlterCommand;
result.RemoveUnique(command.DroppedUnique);
}
/// <summary>
/// Checks if the to be added attributes exist in the given vertex type or derived oness
/// </summary>
/// <param name="myAlterVertexTypeRequest"></param>
/// <param name="vertexType"></param>
private static void CheckToBeAddedAttributes(RequestAlterVertexType myAlterVertexTypeRequest, IVertexType vertexType)
{
foreach (var aVertexType in vertexType.GetDescendantVertexTypesAndSelf())
{
var attributesOfCurrentVertexType = aVertexType.GetAttributeDefinitions(false).ToList();
#region binary properties
if (myAlterVertexTypeRequest.ToBeAddedBinaryProperties != null)
{
foreach (var aToBeAddedAttribute in myAlterVertexTypeRequest.ToBeAddedBinaryProperties)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region outgoing edges
if (myAlterVertexTypeRequest.ToBeAddedOutgoingEdges != null)
{
foreach (var aToBeAddedAttribute in myAlterVertexTypeRequest.ToBeAddedOutgoingEdges)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region Incoming edges
if (myAlterVertexTypeRequest.ToBeAddedIncomingEdges != null)
{
foreach (var aToBeAddedAttribute in myAlterVertexTypeRequest.ToBeAddedIncomingEdges)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region property
if (myAlterVertexTypeRequest.ToBeAddedProperties != null)
{
foreach (var aToBeAddedAttribute in myAlterVertexTypeRequest.ToBeAddedProperties)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region unknown attributes
if (myAlterVertexTypeRequest.ToBeAddedUnknownAttributes != null)
{
foreach (var aToBeAddedAttribute in myAlterVertexTypeRequest.ToBeAddedUnknownAttributes)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
}
}