returns true if this composite is not unsubscribed and contains subscriptions . concode_field_sep LinkedList<Subscription> subscriptions concode_elem_sep boolean unsubscribed concode_field_sep void add concode_elem_sep void unsubscribe concode_elem_sep void clear concode_elem_sep boolean isUnsubscribed concode_elem_sep void remove concode_elem_sep void unsubscribeFromAll
boolean function ( ) { if ( ! unsubscribed ) { synchronized ( this ) { return ! unsubscribed && subscriptions != null && ! subscriptions . isEmpty ( ) ; } } return false ; }