/// <summary>
/// Recursively indexes the node and its children.
/// </summary>
protected virtual void RemovePredefinedNode(
ISystemContext context,
NodeState node,
List<LocalReference> referencesToRemove)
{
m_predefinedNodes.Remove(node.NodeId);
node.UpdateChangeMasks(NodeStateChangeMasks.Deleted);
node.ClearChangeMasks(context, false);
OnNodeRemoved(node);
// remove from the parent.
BaseInstanceState instance = node as BaseInstanceState;
if (instance != null && instance.Parent != null)
{
instance.Parent.RemoveChild(instance);
}
// remove children.
List<BaseInstanceState> children = new List<BaseInstanceState>();
node.GetChildren(context, children);
for (int ii = 0; ii < children.Count; ii++)
{
node.RemoveChild(children[ii]);
}
for (int ii = 0; ii < children.Count; ii++)
{
RemovePredefinedNode(context, children[ii], referencesToRemove);
}
// remove from type table.
BaseTypeState type = node as BaseTypeState;
if (type != null)
{
m_server.TypeTree.Remove(type.NodeId);
}
// remove inverse references.
List<IReference> references = new List<IReference>();
node.GetReferences(context, references);
for (int ii = 0; ii < references.Count; ii++)
{
IReference reference = references[ii];
if (reference.TargetId.IsAbsolute)
{
continue;
}
LocalReference referenceToRemove = new LocalReference(
(NodeId)reference.TargetId,
reference.ReferenceTypeId,
reference.IsInverse,
node.NodeId);
referencesToRemove.Add(referenceToRemove);
}
}