public static RelationshipGroupCommand CreateRelationshipGroup(long id, int type)
{
RelationshipGroupRecord before = new RelationshipGroupRecord(id);
RelationshipGroupRecord after = new RelationshipGroupRecord(id, type);
after.InUse = true;
after.SetCreated();
return(new RelationshipGroupCommand(before, after));
}
public virtual RecordAccess_RecordProxy <RelationshipGroupRecord, int> GetOrCreateRelationshipGroup(NodeRecord node, int type, RecordAccess <RelationshipGroupRecord, int> relGroupRecords)
{
RelationshipGroupPosition existingGroup = GetRelationshipGroup(node, type, relGroupRecords);
RecordAccess_RecordProxy <RelationshipGroupRecord, int> change = existingGroup.Group();
if (change == null)
{
Debug.Assert(node.Dense, "Node " + node + " should have been dense at this point");
long id = _idGenerator.nextId();
change = relGroupRecords.Create(id, type);
RelationshipGroupRecord record = change.ForChangingData();
record.InUse = true;
record.SetCreated();
record.OwningNode = node.Id;
// Attach it...
RecordAccess_RecordProxy <RelationshipGroupRecord, int> closestPreviousChange = existingGroup.ClosestPrevious();
if (closestPreviousChange != null)
{ // ...after the closest previous one
RelationshipGroupRecord closestPrevious = closestPreviousChange.ForChangingLinkage();
record.Next = closestPrevious.Next;
record.Prev = closestPrevious.Id;
closestPrevious.Next = id;
}
else
{ // ...first in the chain
long firstGroupId = node.NextRel;
if (firstGroupId != Record.NO_NEXT_RELATIONSHIP.intValue())
{ // There are others, make way for this new group
RelationshipGroupRecord previousFirstRecord = relGroupRecords.GetOrLoad(firstGroupId, type).forReadingData();
record.Next = previousFirstRecord.Id;
previousFirstRecord.Prev = id;
}
node.NextRel = id;
}
}
return(change);
}
public virtual void Create(RelationshipGroupRecord group)
{
group.SetCreated();
Update(new RelationshipGroupRecord(group.Id, group.Type), group);
}