private string CreateGraphDMLforVertexOutgoingHyperEdges(IVertexType myVertexType,
IEnumerable<HyperEdgeContainer> myEdges,
Dictionary<long, IOutgoingEdgeDefinition> myOutgoingEdgeDefinitions)
{
var stringBuilder = new StringBuilder();
var delimiter = ", ";
foreach (var hyperEdge in myEdges)
{
if (hyperEdge.Edge == null)
{
continue;
}
var outgoingEdgeDef = myOutgoingEdgeDefinitions[hyperEdge.PropertyID];
foreach (var aEdge in hyperEdge.Edge.GetAllEdges().GroupBy(x => x.GetTargetVertex().VertexTypeID, y => y))
{
stringBuilder.Append(String.Concat(outgoingEdgeDef.Name,
" = ",
S_SETOFUUIDS.ToUpperString(),
TERMINAL_LT,
_vertexTypes[aEdge.Key],
TERMINAL_GT,
S_BRACKET_LEFT));
foreach (var edge in aEdge)
{
stringBuilder.Append(String.Concat(edge.GetTargetVertex().VertexID));
if (edge.GetAllProperties().Count() > 0)
{
stringBuilder.Append(String.Concat(":", S_BRACKET_LEFT));
stringBuilder.Append(CreateGraphDMLforDefinedProperties(
edge.GetAllProperties(),
outgoingEdgeDef
.InnerEdgeType
.GetAttributeDefinitions(true)
.ToDictionary(key => key.ID, value => value as IPropertyDefinition)));
if (stringBuilder.ToString().EndsWith(":" + S_BRACKET_LEFT.ToString()))
stringBuilder.RemoveEnding(2);
else if (stringBuilder.ToString().EndsWith(delimiter))
{
stringBuilder.RemoveSuffix(delimiter);
stringBuilder.Append(S_BRACKET_RIGHT);
}
else
stringBuilder.Append(S_BRACKET_RIGHT);
}
stringBuilder.Append(delimiter);
}
stringBuilder.RemoveSuffix(delimiter);
stringBuilder.Append(S_BRACKET_RIGHT);
stringBuilder.Append(delimiter);
}
}
return stringBuilder.ToString();
}
/// <summary>
/// Creates the ddl of a type.
/// </summary>
/// <param name="myVertexType">The vertex type.</param>
private String CreateGraphDDL_EdgeType(IEdgeType myEdgeType)
{
var stringBuilder = new StringBuilder();
var delimiter = ", ";
stringBuilder.AppendFormat("{0} ", myEdgeType.Name);
#region parent type
//EXTENDS ...
if (myEdgeType.HasParentType)
{
stringBuilder.AppendFormat("{0} {1} ", S_EXTENDS.ToUpperString(), myEdgeType.ParentEdgeType.Name);
}
#endregion
#region attributes
//are there attributes
if (myEdgeType.HasAttributes(false))
{
//so, there are attributes that are no incoming edges
stringBuilder.Append(String.Concat(S_ATTRIBUTES.ToUpperString(), " ", S_BRACKET_LEFT));
#region properties
if (myEdgeType.GetAttributeDefinitions(false).Any(aAttribute => aAttribute.Kind == AttributeType.Property))
stringBuilder.Append(String.Concat(CreateGraphDDLOfProperties(myEdgeType.GetPropertyDefinitions(false))));
#endregion
if (stringBuilder.ToString().EndsWith(delimiter))
stringBuilder.RemoveEnding(delimiter.Length);
stringBuilder.Append(String.Concat(S_BRACKET_RIGHT));
}
#endregion
return stringBuilder.ToString();
}