/**
* Returns an iterator for all groups that the entity with the specified JID is a member of.
*
* @param user the JID of the entity to get a list of groups for.
* @return all groups that an entity belongs to.
*/
public Collection<Group> getGroups(JID user) {
// TODO: add caching
return provider.getGroups(user);
}
/**
* Returns an iterator for all groups according to a filter.
*
* <p>This is useful to support pagination in a GUI where you may only want to display a certain
* number of results per page. It is possible that the number of results returned will be less
* than that specified by numResults if numResults is greater than the number of records left in
* the system to display.
*
* @param startIndex start index in results.
* @param numResults number of results to return.
* @return an Iterator for all groups in the specified range.
*/
public Collection<Group> getGroups(int startIndex, int numResults) {
// TODO: add caching
return provider.getGroups(startIndex, numResults);
}