public PropertyPredefinition ToPropertyPredefinition()
{
var property = new PropertyPredefinition(this.AttributeName, this.AttributeType); //Todo insert attribute type
property.SetAttributeType(this.AttributeType != null ? this.AttributeType : null);
property.SetComment(this.Comment != null ? this.Comment : null);
if (this.IsIndexed)
{
property.SetAsIndexed();
}
if (this.IsMandatory)
{
property.SetAsMandatory();
}
if (this.IsUnique)
{
property.SetAsUnique();
}
if (this.DefaultValue != null)
{
property.SetDefaultValue(this.DefaultValue);
}
if (this.Multiplicity.Equals(ServicePropertyMultiplicity.List))
{
property.SetMultiplicityToList();
}
if (this.Multiplicity.Equals(ServicePropertyMultiplicity.Set))
{
property.SetMultiplicityToSet();
}
return(property);
}
/// <summary>
/// Generates a attribute definition
/// </summary>
/// <param name="aAttribute">The attribute that is going to be transfered</param>
/// <returns>A attribute predefinition</returns>
private PropertyPredefinition GenerateProperty(KeyValuePair <AttributeDefinition, string> aAttribute)
{
PropertyPredefinition result = new PropertyPredefinition(aAttribute.Key.AttributeName,
aAttribute.Value);
switch (aAttribute.Key.AttributeType.Type)
{
case SonesGQLGrammar.TERMINAL_SET:
result.SetMultiplicityToSet();
break;
case SonesGQLGrammar.TERMINAL_LIST:
result.SetMultiplicityToList();
break;
}
if (aAttribute.Key.DefaultValue != null)
{
result.SetDefaultValue(aAttribute.Key.DefaultValue.ToString());
}
if (aAttribute.Key.AttributeType.TypeCharacteristics.IsMandatory)
{
result.SetAsMandatory();
}
return(result);
}
/// <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
}
/// <summary>
/// Creates the vertexType based on the VertexTypeName.
///
/// The vertexType contains one Outgoing Edge Defintion, the edge
/// is weighted and can't contain any other attributes.
/// </summary>
private void CreateVertexType()
{
#region create vertex type
var vertexTypePreDef = new VertexTypePredefinition(_VertexTypeName);
var outEdgePreDef = new OutgoingEdgePredefinition(_EdgeTypeName, vertexTypePreDef);
#region create edge definition
// weighted multi-edge
outEdgePreDef.SetEdgeTypeAsWeighted();
// set inner edge type to weighted
outEdgePreDef.SetMultiplicityAsMultiEdge("Weighted");
vertexTypePreDef.AddOutgoingEdge(outEdgePreDef);
#endregion
#region create id definition
var idPreDefinition = new PropertyPredefinition(GraphMLTokens.VERTEX_ID_NAME, GraphMLTokens.VERTEX_ID_TYPE);
idPreDefinition.SetDefaultValue(GraphMLTokens.VERTEX_ID_DEF_VAL);
vertexTypePreDef.AddProperty(idPreDefinition);
#endregion
#region create vertex type
var requestCreateVertexType = new RequestCreateVertexType(vertexTypePreDef);
_GraphDB.CreateVertexType(_SecurityToken,
_TransactionToken,
requestCreateVertexType,
(stats, vType) => vType);
#endregion
#endregion
}
public PropertyPredefinition ToPropertyPredefinition()
{
var property = new PropertyPredefinition(this.AttributeName,this.AttributeType); //Todo insert attribute type
property.SetAttributeType(this.AttributeType != null ? this.AttributeType : null);
property.SetComment(this.Comment != null ? this.Comment : null);
if (this.IsIndexed)
property.SetAsIndexed();
if (this.IsMandatory)
property.SetAsMandatory();
if (this.IsUnique)
property.SetAsUnique();
if (this.DefaultValue != null)
property.SetDefaultValue(this.DefaultValue);
if (this.Multiplicity.Equals(ServicePropertyMultiplicity.List))
property.SetMultiplicityToList();
if (this.Multiplicity.Equals(ServicePropertyMultiplicity.Set))
property.SetMultiplicityToSet();
return property;
}
/// <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
}
/// <summary>
/// Creates the vertexType based on the VertexTypeName.
///
/// The vertexType contains one Outgoing Edge Defintion, the edge
/// is weighted and can't contain any other attributes.
/// </summary>
private void CreateVertexType()
{
#region create vertex type
var vertexTypePreDef = new VertexTypePredefinition(_VertexTypeName);
var outEdgePreDef = new OutgoingEdgePredefinition(_EdgeTypeName, vertexTypePreDef);
#region create edge definition
// weighted multi-edge
outEdgePreDef.SetEdgeTypeAsWeighted();
// set inner edge type to weighted
outEdgePreDef.SetMultiplicityAsMultiEdge("Weighted");
vertexTypePreDef.AddOutgoingEdge(outEdgePreDef);
#endregion
#region create id definition
var idPreDefinition = new PropertyPredefinition(GraphMLTokens.VERTEX_ID_NAME , GraphMLTokens.VERTEX_ID_TYPE);
idPreDefinition.SetDefaultValue(GraphMLTokens.VERTEX_ID_DEF_VAL);
vertexTypePreDef.AddProperty(idPreDefinition);
#endregion
#region create vertex type
var requestCreateVertexType = new RequestCreateVertexType(vertexTypePreDef);
_GraphDB.CreateVertexType(_SecurityToken,
_TransactionToken,
requestCreateVertexType,
(stats, vType) => vType);
#endregion
#endregion
}
/// <summary>
/// Generates a attribute definition
/// </summary>
/// <param name="aAttribute">The attribute that is going to be transfered</param>
/// <returns>A attribute predefinition</returns>
private PropertyPredefinition GenerateProperty(KeyValuePair<AttributeDefinition, string> aAttribute)
{
PropertyPredefinition result = new PropertyPredefinition(aAttribute.Key.AttributeName,
aAttribute.Value);
switch (aAttribute.Key.AttributeType.Type)
{
case SonesGQLGrammar.TERMINAL_SET:
result.SetMultiplicityToSet();
break;
case SonesGQLGrammar.TERMINAL_LIST:
result.SetMultiplicityToList();
break;
}
if (aAttribute.Key.DefaultValue != null)
result.SetDefaultValue(aAttribute.Key.DefaultValue.ToString());
if (aAttribute.Key.AttributeType.TypeCharacteristics.IsMandatory)
result.SetAsMandatory();
return result;
}