private void ProcessRenameAttribute(AAlterTypeCommand myAlterCommand,
ref RequestAlterEdgeType result)
{
var command = (AlterType_RenameAttribute)myAlterCommand;
result.RenameAttribute(command.OldName, command.NewName);
}
private void ProcessDropAttribute(AAlterTypeCommand myAlterCommand,
ref RequestAlterEdgeType result)
{
var command = (AlterType_DropAttributes)myAlterCommand;
foreach (var aAttribute in command.ListOfAttributes)
{
result.RemoveUnknownAttribute(aAttribute);
}
}
private void ProcessAlterCommand(AAlterTypeCommand myAlterCommand, ref RequestAlterEdgeType result)
{
switch (myAlterCommand.AlterType)
{
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:
ProcessRenameType(myAlterCommand, ref result);
break;
case TypesOfAlterCmd.ChangeComment:
ProcessChangeComment(myAlterCommand, ref result);
break;
default:
break;
}
}
private void ProcessChangeComment(AAlterTypeCommand myAlterCommand,
ref RequestAlterEdgeType result)
{
var command = (AlterType_ChangeComment)myAlterCommand;
result.SetComment(command.NewComment);
}
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);
}
}
}
public void Init(ParsingContext context, ParseTreeNode parseNode)
{
if (HasChildNodes(parseNode))
{
switch (parseNode.ChildNodes[0].Token.Text.ToLower())
{
case "add":
#region add
#region data
var listOfToBeAddedAttributes = new List<AttributeDefinition>();
#endregion
#region add attributes
foreach (ParseTreeNode aNode in parseNode.ChildNodes[2].ChildNodes)
{
if (aNode.AstNode is EdgeTypeAttributeDefinitionNode)
listOfToBeAddedAttributes.Add(((EdgeTypeAttributeDefinitionNode)aNode.AstNode).AttributeDefinition);
else
throw new NotImplementedException(aNode.AstNode.GetType().ToString());
}
AlterTypeCommand = new AlterEdgeType_AddAttributes(listOfToBeAddedAttributes);
#endregion
#endregion
break;
case "drop":
#region drop
#region data
List<String> listOfToBeDroppedAttributes = new List<string>();
#endregion
foreach (ParseTreeNode aNode in parseNode.ChildNodes[2].ChildNodes)
{
listOfToBeDroppedAttributes.Add(aNode.Token.ValueString);
}
AlterTypeCommand = new AlterType_DropAttributes(listOfToBeDroppedAttributes);
#endregion
break;
case "rename":
#region rename
if (parseNode.ChildNodes.Count > 3)
AlterTypeCommand = new AlterType_RenameAttribute()
{ OldName = parseNode.ChildNodes[2].Token.ValueString,
NewName = parseNode.ChildNodes[4].Token.ValueString };
else if (parseNode.ChildNodes.Count <= 3)
AlterTypeCommand = new AlterType_RenameType()
{ NewName = parseNode.ChildNodes[2].Token.ValueString };
#endregion
break;
case "comment":
#region comment
AlterTypeCommand = new AlterType_ChangeComment()
{ NewComment = parseNode.ChildNodes[2].Token.ValueString };
#endregion
break;
case "undefine":
#region undefine
#region data
var listOfUndefAttributes = new List<String>();
#endregion
#region undefine attributes
parseNode.ChildNodes[2].ChildNodes.ForEach(node => listOfUndefAttributes.Add(node.Token.ValueString));
AlterTypeCommand = new AlterType_UndefineAttributes(listOfUndefAttributes);
#endregion
#endregion
break;
case "define":
#region define
#region data
var listOfDefinedAttributes = new List<AttributeDefinition>();
#endregion
parseNode
.ChildNodes[2]
.ChildNodes
.ForEach(node => listOfDefinedAttributes.Add(((VertexTypeAttributeDefinitionNode)node.AstNode).AttributeDefinition));
AlterTypeCommand = new AlterType_DefineAttributes(listOfDefinedAttributes);
#endregion
break;
}
}
}
private void ProcessRenameVertexType(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_RenameType)myAlterCommand;
result.RenameType(command.NewName);
}
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 ProcessDropUnique(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_DropUnique)myAlterCommand;
result.RemoveUnique(command.DroppedUnique);
}
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 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 ProcessDropMandatory(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_DropMandatory)myAlterCommand;
result.RemoveMandatory(command.DroppedMandatory);
}
private void ProcessAddIndex(AAlterTypeCommand myAlterCommand, ref RequestAlterVertexType result)
{
var command = (AlterType_AddIndices)myAlterCommand;
foreach (var aIndexDefinition in command.IdxDefinitionList)
{
result.AddIndex(GenerateIndex(aIndexDefinition));
}
}
private void ProcessAddAttribute(AAlterTypeCommand myAlterCommand,
ref RequestAlterEdgeType result)
{
var command = (AlterEdgeType_AddAttributes)myAlterCommand;
if (command.ListOfAttributes != null && command.ListOfAttributes.Count > 0)
foreach (var aAttribute in command.ListOfAttributes)
{
result.AddUnknownAttribute(GenerateUnknownAttribute(aAttribute));
}
}
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));
}
}
}
}
public void Init(ParsingContext context, ParseTreeNode parseNode)
{
if (HasChildNodes(parseNode))
{
switch (parseNode.ChildNodes[0].Token.Text.ToLower())
{
case "drop":
#region drop
if (parseNode.ChildNodes[1].AstNode is IndexDropOnAlterType)
{
var dropNodeExcept = (IndexDropOnAlterType)parseNode.ChildNodes[1].AstNode;
AlterTypeCommand = new AlterType_DropIndices(dropNodeExcept.DropIndexList);
break;
}
if (parseNode.ChildNodes.Count == 4 && parseNode.ChildNodes[1].Token.Text.ToLower() == SonesGQLGrammar.TERMINAL_UNIQUE.ToLower())
{
AlterTypeCommand = new AlterType_DropUnique(parseNode.ChildNodes[3].Token.ValueString);
break;
}
if (parseNode.ChildNodes.Count == 4 && parseNode.ChildNodes[1].Token.Text.ToUpper() == SonesGQLGrammar.TERMINAL_MANDATORY.ToUpper())
{
AlterTypeCommand = new AlterType_DropMandatory(parseNode.ChildNodes[3].Token.ValueString);
break;
}
#region data
List<String> listOfToBeDroppedAttributes = new List<string>();
#endregion
foreach (ParseTreeNode aNode in parseNode.ChildNodes[2].ChildNodes)
{
listOfToBeDroppedAttributes.Add(aNode.Token.ValueString);
}
AlterTypeCommand = new AlterType_DropAttributes(listOfToBeDroppedAttributes);
#endregion
break;
case "add":
#region add
if (parseNode.ChildNodes[1].AstNode is IndexOnCreateTypeNode)
{
#region data
var _IndexInformation = new List<IndexDefinition>();
#endregion
#region add indices
var indexOnCreateTypeNode = (IndexOnCreateTypeNode)parseNode.ChildNodes[1].AstNode;
_IndexInformation.AddRange(indexOnCreateTypeNode.ListOfIndexDefinitions);
AlterTypeCommand = new AlterType_AddIndices(_IndexInformation);
#endregion
}
else
{
#region data
var listOfToBeAddedAttributes = new List<AttributeDefinition>();
var _BackwardEdgeInformation = new List<IncomingEdgeDefinition>();
#endregion
#region add attributes
foreach (ParseTreeNode aNode in parseNode.ChildNodes[2].ChildNodes)
{
if (aNode.AstNode is AttributeDefinitionNode)
{
listOfToBeAddedAttributes.Add(((AttributeDefinitionNode)aNode.AstNode).AttributeDefinition);
}
else if (aNode.AstNode is IncomingEdgeNode)
{
_BackwardEdgeInformation.Add((aNode.AstNode as IncomingEdgeNode).BackwardEdgeDefinition);
}
else
{
throw new NotImplementedException(aNode.AstNode.GetType().ToString());
}
}
AlterTypeCommand = new AlterType_AddAttributes(listOfToBeAddedAttributes, _BackwardEdgeInformation);
#endregion
}
#endregion
break;
case "rename":
#region rename
if (parseNode.ChildNodes.Count > 3)
{
if (parseNode.ChildNodes[1].Token.Text.ToUpper() == SonesGQLConstants.INCOMINGEDGE)
{
AlterTypeCommand = new AlterType_RenameIncomingEdge() { OldName = parseNode.ChildNodes[2].Token.ValueString, NewName = parseNode.ChildNodes[4].Token.ValueString };
}
else
{
AlterTypeCommand = new AlterType_RenameAttribute() { OldName = parseNode.ChildNodes[2].Token.ValueString, NewName = parseNode.ChildNodes[4].Token.ValueString };
}
}
else if (parseNode.ChildNodes.Count <= 3)
{
AlterTypeCommand = new AlterType_RenameVertexType() { NewName = parseNode.ChildNodes[2].Token.ValueString };
}
#endregion
break;
case "comment":
#region comment
AlterTypeCommand = new AlterType_ChangeComment() { NewComment = parseNode.ChildNodes[2].Token.ValueString };
#endregion
break;
case "undefine":
#region data
var listOfUndefAttributes = new List<String>();
#endregion
#region undefine attributes
parseNode.ChildNodes[2].ChildNodes.ForEach(node => listOfUndefAttributes.Add(node.Token.ValueString));
AlterTypeCommand = new AlterType_UndefineAttributes(listOfUndefAttributes);
#endregion
break;
case "define":
#region data
var listOfDefinedAttributes = new List<AttributeDefinition>();
#endregion
parseNode.ChildNodes[2].ChildNodes.ForEach(node => listOfDefinedAttributes.Add(((AttributeDefinitionNode)node.AstNode).AttributeDefinition));
AlterTypeCommand = new AlterType_DefineAttributes(listOfDefinedAttributes);
break;
}
}
}
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;
}
}