/**
* Returns the total number of groups in the system.
*
* @return the total number of groups.
*/
public int getGroupCount() {
Integer count = (Integer) groupMetaCache.get(GROUP_COUNT_KEY);
if (count == null) {
synchronized (GROUP_COUNT_KEY.intern()) {
count = (Integer) groupMetaCache.get(GROUP_COUNT_KEY);
if (count == null) {
count = provider.getGroupCount();
groupMetaCache.put(GROUP_COUNT_KEY, count);
}
}
}
return count;
}
