private void removeParentNode(TreeNode parentNode) {
TreeNode superParentNode = parentNode.getParent();
if (superParentNode != null) {
superParentNode.removeChild(parentNode);
if (!superParentNode.hasChildNodes()) removeParentNode(superParentNode);
}
}
public void unregister(Object statsProvider) {
// Unregisters the statsProvider
try {
StatsProviderRegistryElement spre =
statsProviderRegistry.getStatsProviderRegistryElement(statsProvider);
if (spre == null) {
logger.log(
Level.INFO, invalidStatsProvider, new Object[] {statsProvider.getClass().getName()});
return;
}
// get the Parent node and delete all children nodes (only that we know of)
String parentNodePath = spre.getParentTreeNodePath();
List<String> childNodeNames = spre.getChildTreeNodeNames();
TreeNode rootNode = mrdr.get(instanceName);
if ((rootNode != null) && (parentNodePath != null)) {
// This has to return one node
List<TreeNode> nodeList = rootNode.getNodes(parentNodePath, false, true);
if (nodeList.size() > 0) {
TreeNode parentNode = nodeList.get(0);
// Remove each of the child nodes
Collection<TreeNode> childNodes = parentNode.getChildNodes();
for (TreeNode childNode : childNodes) {
if (childNodeNames.contains(childNode.getName())) {
parentNode.removeChild(childNode);
}
}
if (!parentNode.hasChildNodes()) removeParentNode(parentNode);
}
}
// get the handles and unregister the listeners from Flashlight
Collection<ProbeClientMethodHandle> handles = spre.getHandles();
if (handles != null) {
for (ProbeClientMethodHandle handle : handles) {
// handle.remove????? Mahesh?
// TODO IMPLEMENTATION
// For now disable the handle => remove the client from invokerlist
handle.disable();
}
}
// unregister the statsProvider from Gmbal
if (spre.getManagedObjectManager() != null) unregisterGmbal(spre);
// Unregister from the MonitoringDataTreeRegistry and the map entries
statsProviderRegistry.unregisterStatsProvider(statsProvider);
} catch (Exception ex) {
String msg =
MessageFormat.format(errorUnregisteringStatsProvider, statsProvider.getClass().getName());
logger.log(Level.SEVERE, msg, ex);
}
}