/**
* Causes to refresh this nodes children asynchronously.
*
* <p>If {@link #setCleanRefreshNeeded(boolean)} has been set to true before, this will also cause
* to recreate all child nodes and display a "Please Wait ..."-Node during the loading. Otherwise
* no wait node will be displayed during loading.
*/
public synchronized void refresh() {
if (!isLeaf()) { // do nothing for leaf nodes having no children at all.
if (cleanRefreshNeeded) {
LOGGER.info("Doing a clean refresh on node " + getDisplayName());
synchronized (childFactory) {
childFactory = childFactoryCreator.create();
setChildren(Children.create(childFactory, true));
cleanRefreshNeeded = false;
}
} else {
childFactory.refresh();
}
}
}
/**
* Check whether there is currently some asynch loading of children still going on.
*
* @return true if background thread is still loading any children.
*/
public synchronized boolean isLoading() {
return childFactory.isLoading();
}