private int DegreeForDirectionAndType(StorageNodeCursor cursor, RelationshipDirection direction, int relType)
{
int degree = 0;
using (StorageRelationshipGroupCursor groups = StorageReader.allocateRelationshipGroupCursor())
{
groups.Init(cursor.EntityReference(), cursor.RelationshipGroupReference());
while (groups.Next())
{
if (relType == ANY_RELATIONSHIP_TYPE || relType == groups.Type())
{
switch (direction)
{
case RelationshipDirection.OUTGOING:
degree += groups.OutgoingCount() + groups.LoopCount();
break;
case RelationshipDirection.INCOMING:
degree += groups.IncomingCount() + groups.LoopCount();
break;
case RelationshipDirection.LOOP:
degree += groups.OutgoingCount() + groups.IncomingCount() + groups.LoopCount();
break;
default:
throw new System.ArgumentException(direction.name());
}
}
}
}
return(degree);
}
private ISet <TestDegreeItem> Degrees(StorageNodeCursor nodeCursor)
{
ISet <TestDegreeItem> degrees = new HashSet <TestDegreeItem>();
using (StorageRelationshipGroupCursor groups = StorageReader.allocateRelationshipGroupCursor())
{
groups.Init(nodeCursor.EntityReference(), nodeCursor.RelationshipGroupReference());
while (groups.Next())
{
degrees.Add(new TestDegreeItem(groups.Type(), groups.OutgoingCount() + groups.LoopCount(), groups.IncomingCount() + groups.LoopCount()));
}
}
return(degrees);
}
private ISet <TestRelType> RelTypes(StorageNodeCursor cursor)
{
ISet <TestRelType> types = new HashSet <TestRelType>();
using (StorageRelationshipGroupCursor groups = StorageReader.allocateRelationshipGroupCursor())
{
groups.Init(cursor.EntityReference(), cursor.RelationshipGroupReference());
while (groups.Next())
{
types.Add(RelTypeForId(groups.Type()));
}
}
return(types);
}
