question: protected boolean hasReceiversFor ( DistributedMember endPoint ) { synchronized ( this . receivers ) { for ( Iterator it = receivers . iterator ( ) ; it . hasNext ( ) ; ) { Connection con = ( Connection ) it . next ( ) ; if ( endPoint . equals ( con . getRemoteAddress ( ) ) ) { return true ; } } } return false ; }
target:  check to see if there are still any receiver threads for the given end-point 