// check all ITEMS in cache
Iterator<CacheKey> keys = cache.keySet().iterator();
while (keys.hasNext())
{
CacheKey key = keys.next();
if (key instanceof CacheId)
{
ItemData data = (ItemData)cache.get(key);
ISPNCacheWorkspaceStorageCache.updateTreePath(cache, getOwnerId(), data, prevRootPath, newRootPath, acl);
}