/// <summary>
/// Checks if the given parameter type is valid.
/// </summary>
/// <param name="myRequest">The parameter to be checked.</param>
protected override void CheckRequestType(IRequestAlterType myRequest)
{
if (!(myRequest is RequestAlterVertexType))
{
throw new InvalidParameterTypeException("AlterTypeRequest", myRequest.GetType().Name, typeof(RequestAlterVertexType).Name);
}
}
/// <summary>
/// Calls a Check function foreach IEnumerable of definied attributes.
/// </summary>
/// <param name="myRequest">The alter type request which contains the attributes.</param>
protected override void CheckAttributesNameAndType(IRequestAlterType myRequest)
{
CheckNameAndTypeOfAttributePredefinitions(myRequest.ToBeAddedProperties);
CheckNameAndTypeOfAttributePredefinitions(myRequest.ToBeAddedUnknownAttributes);
CheckNameOfAttributeList(myRequest.ToBeRemovedProperties);
CheckNameOfAttributeList(myRequest.ToBeRemovedUnknownAttributes);
}
/// <summary>
/// Checks if it possible to remove a mandatory or unique constraint
/// </summary>
/// <param name="myAlterTypeRequest">The request.</param>
/// <param name="myType">The type.</param>
protected static void CheckToBeAddedMandatoryAndUnique(IRequestAlterType myAlterTypeRequest,
IVertexType myType)
{
var request = myAlterTypeRequest as RequestAlterVertexType;
CheckToBeAddedMandatory(request, myType);
CheckToBeAddedUniques(request, myType);
}
public override T AlterType(IRequestAlterType myAlterTypeRequest,
Int64 myTransactionToken,
SecurityToken mySecurityToken,
out RequestUpdate myUpdateRequest)
{
CheckRequestType(myAlterTypeRequest);
var type = GetType(myAlterTypeRequest.TypeName, myTransactionToken, mySecurityToken);
RequestUpdate updateRequest = (myAlterTypeRequest is RequestAlterVertexType) ?
new RequestUpdate(new RequestGetVertices(type.ID))
: new RequestUpdate();
#region remove stuff
AlterType_Remove(myAlterTypeRequest,
type,
myTransactionToken,
mySecurityToken,
ref updateRequest);
CleanUpTypes();
#endregion
#region add stuff
AlterType_Add(myAlterTypeRequest,
type,
myTransactionToken,
mySecurityToken,
ref updateRequest);
CleanUpTypes();
#endregion
type = GetType(myAlterTypeRequest.TypeName,
myTransactionToken,
mySecurityToken);
RenamesAndComment(myAlterTypeRequest,
type,
myTransactionToken,
mySecurityToken);
CleanUpTypes();
CallRebuildIndices(myTransactionToken, mySecurityToken);
myUpdateRequest = updateRequest;
return(GetType(type.ID, myTransactionToken, mySecurityToken));
}
/// <summary>
/// Calls various check function which check the specified member inside the RequestAlterEdgeType
/// </summary>
/// <param name="myAlterTypeRequest">The request which contains the to be checked member.</param>
/// <param name="myType">The Type which is returned.</param>
/// <param name="myTransactionToken">The Int64.</param>
/// <param name="mySecurityToken">The SecurityToken.</param>
protected override void CallCheckFunctions(IRequestAlterType myAlterTypeRequest,
IEdgeType myType,
Int64 myTransactionToken,
SecurityToken mySecurityToken)
{
CheckAttributesNameAndType(myAlterTypeRequest);
CheckToBeAddedAttributes(myAlterTypeRequest, myType);
CheckToBeDefinedAttributes(myAlterTypeRequest, myType);
CheckToBeRemovedAttributes(myAlterTypeRequest, myType);
CheckToBeRenamedAttributes(myAlterTypeRequest, myType);
CheckNewTypeName(myAlterTypeRequest.AlteredTypeName, myTransactionToken, mySecurityToken);
}
protected override void CallCheckFunctions(IRequestAlterType myAlterTypeRequest,
IVertexType myType,
Int64 myTransactionToken,
SecurityToken mySecurityToken)
{
var request = myAlterTypeRequest as RequestAlterVertexType;
CheckAttributesNameAndType(request);
CheckToBeAddedAttributes(request, myType);
CheckToBeDefinedAttributes(request, myType);
CheckToBeRemovedAttributes(request, myType);
CheckToBeRenamedAttributes(request, myType);
CheckNewTypeName(request.AlteredTypeName, myTransactionToken, mySecurityToken);
CheckToBeAddedMandatoryAndUnique(request, myType);
CheckToBeRemovedMandatoryAndUnique(request.ToBeRemovedMandatories, request.ToBeRemovedUniques, myType);
CheckToBeAddedIndices(request.ToBeAddedIndices, myType);
CheckToBeRemovedIndices(request.ToBeRemovedIndices, myType);
}
/// <summary>
/// Checks if the to be removed attributes exists on this type
/// </summary>
/// <param name="myAlterTypeRequest">The request.</param>
/// <param name="myType">The type.</param>
protected override void CheckToBeRemovedAttributes(IRequestAlterType myAlterTypeRequest,
IEdgeType myType)
{
#region properties
var attributesOfCurrentVertexType = myType.GetAttributeDefinitions(false).ToList();
if (myAlterTypeRequest.ToBeRemovedProperties != null)
{
foreach (var aToBeDeletedAttribute in myAlterTypeRequest.ToBeRemovedProperties)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new AttributeDoesNotExistException(aToBeDeletedAttribute, myType.Name);
}
}
}
#endregion
}
/// <summary>
/// Calls methods to rename attrributes and changing the comment.
/// </summary>
/// <param name="myAlterTypeRequest">The alter type request.</param>
/// <param name="myType">The to be altered type.</param>
/// <param name="myTransactionToken">The Int64.</param>
/// <param name="mySecurityToken">The SecurityToken.</param>
protected void RenamesAndComment(IRequestAlterType myAlterTypeRequest,
T myType,
Int64 myTransactionToken,
SecurityToken mySecurityToken)
{
RenameAttributes(myAlterTypeRequest.ToBeRenamedProperties,
myType,
myTransactionToken,
mySecurityToken);
ChangeCommentOnType(myType,
myAlterTypeRequest.AlteredComment,
myTransactionToken,
mySecurityToken);
RenameType(myType,
myAlterTypeRequest.AlteredTypeName,
myTransactionToken,
mySecurityToken);
}
/// <summary>
/// Calls a Check function foreach IEnumerable of definied attributes.
/// </summary>
/// <param name="myRequest">The alter type request which contains the attributes.</param>
protected override void CheckAttributesNameAndType(IRequestAlterType myRequest)
{
var request = myRequest as RequestAlterVertexType;
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedProperties);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedUnknownAttributes);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedBinaryProperties);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedIncomingEdges);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedOutgoingEdges);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedMandatories);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedUniques);
CheckNameAndTypeOfAttributePredefinitions(request.ToBeAddedIndices);
CheckNameOfAttributeList(request.ToBeRemovedProperties);
CheckNameOfAttributeList(request.ToBeRemovedUnknownAttributes);
CheckNameOfAttributeList(request.ToBeRemovedMandatories);
CheckNameOfAttributeList(request.ToBeRemovedUniques);
CheckNameOfAttributeList(request.ToBeRemovedBinaryProperties);
CheckNameOfAttributeList(request.ToBeRemovedIncomingEdges);
CheckNameOfAttributeList(request.ToBeRemovedOutgoingEdges);
}
/// <summary>
/// Checks if the attributes that should be defined exist in the given type or derived ones.
/// </summary>
/// <param name="myAlterTypeRequest">The request.</param>
/// <param name="myType">The type.</param>
protected override void CheckToBeDefinedAttributes(IRequestAlterType myAlterTypeRequest,
IVertexType myType)
{
var request = myAlterTypeRequest as RequestAlterVertexType;
foreach (var aVertexType in myType.GetDescendantVertexTypesAndSelf())
{
var attributesOfCurrentVertexType = aVertexType.GetAttributeDefinitions(false).ToList();
if (request.ToBeDefinedAttributes != null)
{
foreach (var aToBeDefinedAttribute in request.ToBeDefinedAttributes)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDefinedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeDefinedAttribute.AttributeName);
}
}
}
}
}
/// <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>
protected override void CheckToBeAddedAttributes(IRequestAlterType myAlterTypeRequest,
IEdgeType myType)
{
foreach (var aType in myType.GetDescendantEdgeTypesAndSelf())
{
var attributesOfCurrentVertexType = aType.GetAttributeDefinitions(false).ToList();
#region property
if (myAlterTypeRequest.ToBeAddedProperties != null)
{
foreach (var aToBeAddedAttribute in myAlterTypeRequest.ToBeAddedProperties)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new AttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region unknown attributes
if (myAlterTypeRequest.ToBeAddedUnknownAttributes != null)
{
foreach (var aToBeAddedAttribute in myAlterTypeRequest.ToBeAddedUnknownAttributes)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new AttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
}
}
/// <summary>
/// Checks the to be renamed attributes
/// </summary>
/// <param name="myAlterTypeRequest"></param>
/// <param name="myType"></param>
protected static void CheckToBeRenamedAttributes(IRequestAlterType myAlterTypeRequest, T myType)
{
if (myAlterTypeRequest.ToBeRenamedProperties == null)
{
return;
}
foreach (var aToBeRenamedAttributes in myAlterTypeRequest.ToBeRenamedProperties)
{
if (aToBeRenamedAttributes.Key.IsNullOrEmpty())
{
throw new EmptyAttributeNameException(
"The to be renamed attribute name is null or empty.");
}
if (aToBeRenamedAttributes.Value.IsNullOrEmpty())
{
throw new EmptyAttributeNameException(
String.Format("The to be attribute name to which the attribute {0} should be renamed is null or empty.",
aToBeRenamedAttributes.Key));
}
if (!CheckOldName(aToBeRenamedAttributes.Key, myType))
{
throw new AttributeDoesNotExistException(
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, myType))
{
throw new AttributeAlreadyExistsException(
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 given parameter type is valid. /// </summary> /// <param name="myRequest">The parameter to be checked.</param> protected abstract void CheckRequestType(IRequestAlterType myRequest);
public abstract T AlterType(IRequestAlterType myAlterTypeRequest,
Int64 myTransactionToken,
SecurityToken mySecurityToken,
out RequestUpdate myUpdateRequest);
/// <summary>
/// Checks the to be removed attributes.
/// </summary>
/// <param name="myAlterTypeRequest">The alter type request.</param>
/// <param name="myType">The type.</param>
protected abstract void CheckToBeRemovedAttributes(IRequestAlterType myAlterTypeRequest,
T myType);
/// <summary>
/// Calls a variable number of check functions.
/// </summary>
/// <param name="myAlterTypeRequest">The alter type request.</param>
/// <param name="myType">The type which is going to be altered.</param>
/// <param name="myTransactionToken">Int64</param>
/// <param name="mySecurityToken">SecurityToken</param>
protected abstract void CallCheckFunctions(IRequestAlterType myAlterTypeRequest,
T myType,
Int64 myTransactionToken,
SecurityToken mySecurityToken);
/// <summary>
/// Checks if the to be removed attributes exists on this type.
/// </summary>
/// <param name="myAlterTypeRequest">The request.</param>
/// <param name="myType">The type.</param>
protected override void CheckToBeRemovedAttributes(IRequestAlterType myAlterTypeRequest,
IVertexType myType)
{
var request = myAlterTypeRequest as RequestAlterVertexType;
#region properties
var attributesOfCurrentVertexType = myType.GetAttributeDefinitions(false).ToList();
if (request.ToBeRemovedProperties != null)
{
foreach (var aToBeDeletedAttribute in request.ToBeRemovedProperties)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new AttributeDoesNotExistException(aToBeDeletedAttribute, myType.Name);
}
}
}
#endregion
#region binary properties
if (request.ToBeRemovedBinaryProperties != null)
{
foreach (var aToBeDeletedAttribute in request.ToBeRemovedBinaryProperties)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new VertexAttributeIsNotDefinedException(aToBeDeletedAttribute, myType.Name);
}
}
}
#endregion
#region outgoing Edges
if (request.ToBeRemovedOutgoingEdges != null)
{
foreach (var aToBeDeletedAttribute in request.ToBeRemovedOutgoingEdges)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new VertexAttributeIsNotDefinedException(aToBeDeletedAttribute, myType.Name);
}
}
}
#endregion
#region incoming edges
if (request.ToBeRemovedIncomingEdges != null)
{
foreach (var aToBeDeletedAttribute in request.ToBeRemovedIncomingEdges)
{
if (!attributesOfCurrentVertexType.Any(_ => _.Name == aToBeDeletedAttribute))
{
throw new VertexAttributeIsNotDefinedException(aToBeDeletedAttribute, myType.Name);
}
}
}
#endregion
}
/// <summary> /// Checks if the names and types of the attributes are valid. /// </summary> /// <param name="myRequest">The alter type request.</param> protected abstract void CheckAttributesNameAndType(IRequestAlterType myRequest);
/// <summary>
/// Checks if the to be added attributes exist in the given type or derived ones.
/// </summary>
/// <param name="myAlterTypeRequest">The request.</param>
/// <param name="myType">The type.</param>
protected override void CheckToBeAddedAttributes(IRequestAlterType myAlterTypeRequest,
IVertexType myType)
{
var request = myAlterTypeRequest as RequestAlterVertexType;
foreach (var aVertexType in myType.GetDescendantVertexTypesAndSelf())
{
var attributesOfCurrentVertexType = aVertexType.GetAttributeDefinitions(false).ToList();
#region binary properties
if (request.ToBeAddedBinaryProperties != null)
{
foreach (var aToBeAddedAttribute in request.ToBeAddedBinaryProperties)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region outgoing edges
if (request.ToBeAddedOutgoingEdges != null)
{
foreach (var aToBeAddedAttribute in request.ToBeAddedOutgoingEdges)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region Incoming edges
if (request.ToBeAddedIncomingEdges != null)
{
foreach (var aToBeAddedAttribute in request.ToBeAddedIncomingEdges)
{
var parts = aToBeAddedAttribute.AttributeType.Split(IncomingEdgePredefinition.TypeSeparator);
//check if vertex type or outgoing edge name is null or empty
if (parts[0].IsNullOrEmpty() ||
parts[1].IsNullOrEmpty())
{
throw new EmptyAttributeTypeException(aToBeAddedAttribute.GetType());
}
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region property
if (request.ToBeAddedProperties != null)
{
foreach (var aToBeAddedAttribute in request.ToBeAddedProperties)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
#region unknown attributes
if (request.ToBeAddedUnknownAttributes != null)
{
foreach (var aToBeAddedAttribute in request.ToBeAddedUnknownAttributes)
{
if (attributesOfCurrentVertexType.Any(_ => _.Name == aToBeAddedAttribute.AttributeName))
{
throw new VertexAttributeAlreadyExistsException(aToBeAddedAttribute.AttributeName);
}
}
}
#endregion
}
}
/// <summary>
/// All to be added things of the alter type request are going to be added inside this method,
/// the related operations will be executed inside here.
/// </summary>
/// <param name="myAlterTypeRequest">The alter type request.</param>
/// <param name="myType">The to be altered type.</param>
/// <param name="myTransactionToken">The Int64.</param>
/// <param name="myUpdateRequest">A reference to an update request to update relevant vertices.</param>
protected abstract void AlterType_Add(IRequestAlterType myAlterTypeRequest,
T myType,
Int64 myTransactionToken,
SecurityToken mySecurityToken,
ref RequestUpdate myUpdateRequest);
public override IVertexType AlterType(IRequestAlterType myAlterTypeRequest,
Int64 myTransactionToken,
SecurityToken mySecurityToken,
out RequestUpdate myUpdateRequest)
{
CheckRequestType(myAlterTypeRequest);
RequestAlterVertexType myRequest = myAlterTypeRequest as RequestAlterVertexType;
var vertexType = _TypeManager.GetType(myRequest.TypeName,
myTransactionToken,
mySecurityToken);
#region check to be added
if (myRequest.ToBeAddedUnknownAttributes != null)
{
var toBeConverted = myRequest.ToBeAddedUnknownAttributes.ToArray();
foreach (var unknown in toBeConverted)
{
if (BinaryPropertyPredefinition.TypeName.Equals(unknown.AttributeType))
{
var prop = ConvertUnknownToBinaryProperty(unknown);
myRequest.AddBinaryProperty(prop);
}
else if (_baseTypeManager.IsBaseType(unknown.AttributeType))
{
var prop = ConvertUnknownToProperty(unknown);
myRequest.AddProperty(prop);
}
else if (unknown.AttributeType.Contains(IncomingEdgePredefinition.TypeSeparator))
{
var prop = ConvertUnknownToIncomingEdge(unknown);
myRequest.AddIncomingEdge(prop);
}
else
{
var prop = ConvertUnknownToOutgoingEdge(unknown);
myRequest.AddOutgoingEdge(prop);
}
}
myRequest.ResetUnknown();
}
#endregion
#region check to be removed
if (myRequest.ToBeRemovedUnknownAttributes != null)
{
foreach (var unknownProp in myRequest.ToBeRemovedUnknownAttributes)
{
var attrDef = vertexType.GetAttributeDefinition(unknownProp);
if (attrDef == null)
{
throw new AttributeDoesNotExistException(unknownProp);
}
switch (attrDef.Kind)
{
case AttributeType.Property:
myRequest.RemoveProperty(unknownProp);
break;
case AttributeType.OutgoingEdge:
myRequest.RemoveOutgoingEdge(unknownProp);
break;
case AttributeType.IncomingEdge:
myRequest.RemoveIncomingEdge(unknownProp);
break;
case AttributeType.BinaryProperty:
myRequest.RemoveBinaryProperty(unknownProp);
break;
default:
throw new Exception("The enumeration AttributeType was changed, but not this switch statement.");
}
}
myRequest.ClearToBeRemovedUnknownAttributes();
}
#endregion
#region check attributes to be defined
if (myRequest.ToBeDefinedAttributes != null)
{
foreach (var unknownProp in myRequest.ToBeDefinedAttributes)
{
var toBeDefined = myRequest.ToBeDefinedAttributes.ToArray();
foreach (var unknown in toBeDefined)
{
if (BinaryPropertyPredefinition.TypeName.Equals(unknown.AttributeType))
{
throw new InvalidDefineAttributeTypeException(BinaryPropertyPredefinition.TypeName, vertexType.Name);
}
else if (unknown.AttributeType.Contains(IncomingEdgePredefinition.TypeSeparator))
{
throw new InvalidDefineAttributeTypeException("incoming edge", vertexType.Name);
}
else if (!_baseTypeManager.IsBaseType(unknown.AttributeType))
{
throw new InvalidDefineAttributeTypeException("user defined", vertexType.Name);
}
}
}
}
#endregion
#region check attributes to be undefined
if (myRequest.ToBeUndefinedAttributes != null)
{
foreach (var attr in myRequest.ToBeUndefinedAttributes)
{
var attrDef = vertexType.GetAttributeDefinition(attr);
if (attrDef == null)
{
throw new AttributeDoesNotExistException(attr);
}
switch (attrDef.Kind)
{
case AttributeType.Property:
break;
case AttributeType.OutgoingEdge:
throw new InvalidUndefineAttributeTypeException("Outgoing Edge", vertexType.Name);
case AttributeType.IncomingEdge:
throw new InvalidUndefineAttributeTypeException("Incoming Edge", vertexType.Name);
case AttributeType.BinaryProperty:
throw new InvalidUndefineAttributeTypeException(BinaryPropertyPredefinition.TypeName, vertexType.Name);
default:
throw new Exception("The enumeration AttributeType was changed, but not this switch statement.");
}
}
}
#endregion
#region checks
CallCheckFunctions(myAlterTypeRequest, vertexType, myTransactionToken, mySecurityToken);
#endregion
myUpdateRequest = new RequestUpdate();
return(null);
}
