/// <summary>
/// Updates the transition group properties for the graph.
/// </summary>
/// <returns>True if groups are already up to date, False if they were changed</returns>
private bool UpdateGroups(TransitionGroupDocNode[] nodeGroups, IdentityPath[] groupPaths,
out bool changedGroups, out bool changedGroupIds)
{
changedGroups = false;
changedGroupIds = false;
if (ArrayUtil.ReferencesEqual(nodeGroups, _nodeGroups) && _arrayChromInfo != null)
return true;
changedGroups = true;
int lenNew = nodeGroups.SafeLength();
int lenOld = _nodeGroups.SafeLength();
if (lenNew != lenOld)
changedGroupIds = true;
else
{
for (int i = 0; i < lenNew; i++)
{
if (!ReferenceEquals(nodeGroups[i].Id, _nodeGroups[i].Id))
changedGroupIds = true;
}
}
_nodeGroups = nodeGroups;
_groupPaths = groupPaths;
return false;
}