public HelpCommand(SessionFactory factory) {
Registry registry = factory.getRegistry();
registry.register(this);
registry.register(new SimpleHelpProvider());
registry.register(new CommandListHelpProvider());
registry.register(new SingleCommandHelpProvider());
}
private void unregister(
final Collection<SessionFactory> sessionFactories,
final Collection<CommandWrapper> wrappers) {
for (final SessionFactory sessionFactory : sessionFactories) {
unregister(sessionFactory.getRegistry(), wrappers);
}
}
@Reference(
cardinality = ReferenceCardinality.MULTIPLE,
policy = ReferencePolicy.DYNAMIC,
unbind = "removeSessionFactory")
protected void addSessionFactory(final SessionFactory sessionFactory) {
sessionFactories.add(sessionFactory);
register(sessionFactory.getRegistry());
}
protected void removeSessionFactory(final SessionFactory sessionFactory) {
if (sessionFactories.remove(sessionFactory)) {
unregister(sessionFactory.getRegistry());
}
}